Lantronix Network Card UDS1100 User Manual

UDS1100  
User Guide  
Part Number 900-417  
Revision A February 2006  
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Contents  
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Contents  
Figures  
Tables  
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1: Using This Guide  
Purpose and Audience  
This guide provides the information needed to configure, use, and update the  
UDS1100 device server. It is for system administrators and those responsible for  
installing and maintaining the UDS.  
Chapter Summary  
The remaining chapters in this guide include:  
Describes the main features of the UDS and the protocols it  
supports.  
Provides information for installing your unit and getting it up and  
running using DeviceInstaller or a serial port connection.  
Details using the Web-Manager to set parameters such as port  
and server properties.  
Provides instructions for accessing Setup Mode (command line  
interface) using a Telnet connection through the network or a  
terminal or terminal emulation program through the serial port.  
Details the network (server) settings  
Details the serial port settings.  
Details expert and security settings and explains how to reset  
the unit to factory default values.  
Provides instructions for obtaining the latest firmware and  
updating the UDS.  
Provides instructions for accessing and using the command line  
interface to monitor the network and diagnose problems.  
11: Troubleshooting and Contact Describes common problems and error messages and how to  
contact Lantronix Technical Support.  
Provides descriptions and illustrations of connection  
hardware.  
Lists technical specifications for the UDS.  
A: Alternative Ways to Assign an Provides detailed information about using DHCP, AutoIP,  
BOOTP ARP, and Telnet to assign an IP address.  
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1: Using This Guide  
Provides instructions for converting binary values to  
hexadecimals.  
Additional Documentation  
The following information is available on the product CD or the Lantronix Web site:  
UDS1100 Quick Start  
Provides the steps for getting the UDS1100 up and  
running.  
DeviceInstaller Online Help  
Provides instructions for using the Windows-based utility  
to configure the UDS1100 and other Lantronix device  
servers.  
“Live” Tutorials on the  
Lantronix Web Site (English)  
Explain and demonstrate assigning an IP address to the  
UDS and setting up the UDS and Com Port Redirector.  
Com Port Redirector User  
Guide  
Provides information on using the Windows-based utility  
to create a virtual com port.  
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2: Introduction  
The UDS1100 is a single-port device server that provides a quick, simple, and cost-  
effective way to bring the advantages of data accessibility and remote management  
to devices not currently connected to a network.  
Applications  
The UDS family of Device Servers allows serial devices, such as those listed below,  
to connect and communicate over Ethernet networks using the IP protocol family  
(TCP for connection-oriented stream applications and UDP for datagram  
applications).  
Security alarms  
Access control devices  
Fire control panels  
Time/attendance clocks and terminals  
ATM machines  
Data collection devices  
RFID readers  
Universal Power Supply (UPS) management units  
Telecommunications equipment  
Data display devices  
Virtually any asynchronous RS-232, RS422, or RS485 device  
Application Examples  
Using a method called serial tunneling, the UDS encapsulates serial data into  
packets and transports them over Ethernet. Using two UDS units, connected by a  
network, virtual serial connections can extend across a facility or around the world.  
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2: Introduction  
Figure 2-1. Serial Tunneling Example  
The Com Port Redirector software included on the product CD simplifies the  
integration process by extending the functionality of COM-port-based Windows™  
applications. Virtual COM ports, mapped to remote device servers on the network,  
can replace direct serial connections.  
Figure 2-2. Direct TCP/IP or Redirector Configuration  
Note: For step-by-step instructions on configuring the UDS for serial tunneling or for  
use with the Com Port Redirector, see UDS Configuration Tutorials on the Lantronix  
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2: Introduction  
Protocol Support  
The UDS uses the Internet Protocol (IP) for network communications and the  
Transmission Control Protocol (TCP) to assure that no data is lost or duplicated and  
that everything sent to the connection arrives correctly at the target.  
Supported protocols include:  
ARP, UDP, TCP, ICMP, Telnet, TFTP, AutoIP, DHCP, HTTP, and SNMP for  
network communications.  
TCP, UDP, and Telnet for connections to the serial port.  
TFTP for firmware updates.  
IP for addressing, routing, and data block handling over the network.  
User Datagram Protocol (UDP) for typical datagram applications in which  
devices interact with other devices without a point-to-point connection.  
Additional Features  
Modem Emulation: In modem emulation mode, the UDS can replace dial-up  
modems. The unit accepts modem AT commands on the serial port and then  
establishes a network connection to the end device. This arrangement leverages  
network connections and bandwidth to eliminate dedicated modems and phone lines.  
Built-in Web Server: The UDS includes a built-in web server for configuring the unit  
and displaying operating and troubleshooting information on the attached links to  
online support.  
Configuration Methods  
After installation, the UDS requires configuration. For the unit to operate correctly on  
a network, it must have a unique IP address on the network. There are three basic  
methods for logging into the UDS and assigning IP addresses and other configurable  
settings:  
DeviceInstaller: Configure the IP address and other network settings on the UDS  
using a Graphical User Interface (GUI) on a PC attached to a network.  
Web-Manager: Through a web browser, configure the UDS settings using the  
Lantronix Web-Manager. (See 4: Configuration Using Web-Manager.)  
Serial and Telnet Ports: Use Setup Mode, a command line interface. There are two  
approaches to accessing Setup Mode: making a Telnet connection to the network  
port (9999) or connecting a terminal (or a PC running a terminal emulation program)  
to the unit’s serial port. (See 5: Configuration via Telnet or Serial Port (Setup Mode).)  
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2: Introduction  
Product Information Label  
The product information label on the underside of the unit contains the following  
information about your specific unit:  
Bar code  
Serial number  
Product ID (name)  
Product description  
Hardware address (also referred to as the Ethernet or MAC address)  
The first three bytes of the hardware address are fixed and read 00-20-4A, identifying  
the unit as a Lantronix product. The fourth, fifth, and sixth bytes are unique numbers  
assigned to each unit.  
Figure 2-3. Sample Hardware Address  
00-20-4A-14-01-18 or 00:20:4A:14:01:18  
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3: Getting Started  
This chapter describes how to get your UDS up and running in the shortest possible  
time.  
Package Contents  
Verify and inspect the contents of the UDS1100 package using the following list. If  
any item is missing or damaged, contact your place of purchase immediately.  
UDS1100  
Six-foot DB9F-to-DB25M modem cable (P/N 500-163 )  
Power supply  
CD with UDS1100 User Guide and utilities (DeviceInstaller and Com Port  
Redirector)  
Quick Start Guide  
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3: Getting Started  
Installing the UDS  
Figure 3-1. UDS1100 Connected to Serial Device and Network  
To install the unit:  
Complete the following steps in order. Refer to the numbers in the figure above.  
Note: See the sections that follow for details about connectors and pinouts.  
1. Connect a serial device to your unit.  
2. Connect an Ethernet cable to the RJ45 port.  
3. Supply power to your unit using the power supply that was included in the  
packaging.  
Note: The required input voltage is 9-30 VDC (center +) or 10-24 VAC  
(1.5W maximum power required).  
4. Supply power to the serial device.  
Note: If you encounter a problem, please see LEDs on page 65 for  
diagnostic information.  
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3: Getting Started  
Required Information  
Before configuring the UDS, have the following information available:  
Hardware Address  
Take note of the unit’s hardware address (also known as the Ethernet or MAC  
address). It is on the product label, in the format: 00-20-4a-XX-XX-XX, where the XXs  
are unique numbers assigned to the product (see Product Information Label on page  
Hardware Address: 00-20-4a-_____-_____-_____  
IP Address  
The UDS must have a unique IP address on your network. This address references  
the specific unit. By default, the unit is DHCP-enabled and automatically assigned an  
IP address on DHCP-enabled networks. If you are assigning a static IP address, the  
systems administrator generally provides the IP address, subnet mask, and gateway.  
Note: The factory default IP address is 0.0.0.0 to enable DHCP, BOOTP,  
and AutoIP. When the units boots, it sends a DHCP broadcast to try and get  
an IP address. If it receives no reply from a DHCP server, the UDS tries  
BOOTP. If the UDS does not receive a response from BOOTP, it reverts to  
an AutoIP address.  
IP Address:  
_______ _______ _______ _______  
Subnet Mask: _______ _______ _______ _______  
Gateway:  
_______ _______ _______ _______  
You have several options for assigning an IP address and related network settings to  
your unit. This chapter provides information about using the DeviceInstaller (graphical  
user interface) and serial port login (command line interface) methods.  
Note: For information about other methods of assigning the IP address, such  
as DHCP, AutoIP, ARP, and Telnet, see A: Alternative Ways to Assign an IP  
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3: Getting Started  
Assigning the IP Address: DeviceInstaller  
This chapter covers the steps for getting the UDS1100 device server online and for  
viewing its current configuration.  
Note: DeviceInstaller online Help provides more detailed information on  
using DeviceInstaller.  
Installing DeviceInstaller  
To use the DeviceInstaller utility, first install it from the product CD.  
1. Insert the product CD into your CD-ROM drive. The Lantronix UDS1100  
DeviceInstaller window displays.  
2. If the CD does not launch automatically:  
a) Click the Start button on the Task Bar and select Run.  
b) Enter your CD drive letter, colon, backslash, Launch.exe (e.g.,  
D:\Launch.exe).  
3. Click the DeviceInstaller button.  
4. Respond to the installation wizard prompts. (When prompted to select an  
installation type, select Typical.)  
Assigning an IP Address  
The unit’s IP address must be configured before it can work correctly on a network.  
The unit’s IP address is normally set to 0.0.0.0 at the factory. The hardware address  
is on the product label. The unit is DHCP enabled as the default.  
To assign an IP address manually:  
1. Click StartÆPrograms Æ LantronixÆDeviceInstallerÆDeviceInstaller. If your  
PC has more than one network adapter, a message displays. Select an adapter  
and click OK.  
Note: If the unit already has an IP address (e.g., DHCP has assigned an  
IP address), click the Search icon  
and select the unit from the list of  
Lantronix device servers on the local network.  
2. Click the Assign IP icon  
.
3. If prompted, enter the hardware address (on the product label) and click Next.  
4. Select Assign a specific IP address and click Next.  
5. Enter the IP address. The Subnet mask displays automatically based on the IP  
address; if desired, you may change it. On a local network, you can leave the  
Default gateway blank (all zeros). Click Next.  
6. Click the Assign button and wait several seconds until a confirmation message  
displays. Click Finish.  
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3: Getting Started  
7. Select the device from the main window list and select Ping from the Tools  
menu. The Ping Device dialog box shows the IP address of the selected unit.  
8. From the Tools menu, click the Ping button. The results display in the Status  
window. Click the Clear Status button to clear the window so you can ping the  
device again.  
Note: If you do not receive “Reply” messages, make sure the unit is  
attached to the network properly and the IP address assigned is valid for  
the particular network segment you are working with. If you are not sure,  
check with your systems administrator.  
9. Click the Close button to close the dialog box and return to the main window.  
Adding the Unit to the Manage List  
Now add the unit to the list of similar Lantronix devices on the network so you can  
manage and configure it. To perform this step, click the Search icon  
DeviceInstaller locates the unit and adds it to the list. Now you can manage  
(configure) the unit so it works with the serial device on the network.  
Accessing the UDS1100 Using DeviceInstaller  
1. Click StartÆPrograms Æ LantronixÆDeviceInstallerÆDeviceInstaller.  
2. Click the UDS1100 folder. The list of available Lantronix UDS1100 devices  
displays.  
3. Expand the list of UDS1100s by clicking the + symbol next to the UDS1100 icon.  
Select the UDS1100 unit by clicking on its IP address to view its configuration.  
Viewing the Current Configuration  
DeviceInstaller provides a view of the unit's configuration.  
To view the unit's current settings:  
1. Follow the instructions above to locate the UDS1100.  
2. In the right pane, click the Device Details tab. The current UDS1100  
configuration displays:  
Name  
Configurable field. A name that identifies the UDS1100.  
Double-click the field, type in the value, and press Enter to  
complete. This name is not visible on other PCs or laptops  
using DeviceInstaller.  
Group  
Configurable field. A group name to categorize the UDS1100.  
Double-click the field, type in the value, and press Enter to  
complete. This group name is not visible on other PCs or  
laptops using DeviceInstaller.  
Comments  
Device Family  
Configurable field. Information about the UDS1100. Double-  
click the field, type in the value, and press Enter to complete.  
This description or comment is not visible on other PCs or  
laptops using DeviceInstaller.  
Non-configurable field. Displays the UDS1100’s device family  
type as UDS1100.  
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3: Getting Started  
Type  
ID  
Non-configurable field. Displays the device type as UDS1100.  
Non-configurable field. Displays the UDS1100’s ID embedded  
within the box.  
Hardware Address  
Firmware Version  
Non-configurable field. Displays the UDS1100’s hardware (or  
MAC) address.  
Non-configurable field. Displays the firmware currently  
installed on the UDS1100.  
Extended Firmware  
Version  
Non-configurable field. Displays the full version nomenclature  
of the firmware.  
Online Status  
Non-configurable field. Displays the UDS1100’s status as  
online, offline, unreachable (the UDS1100 is on a different  
subnet), or busy (the UDS1100 is currently performing a task).  
Telnet Enabled  
Telnet Port  
Non-configurable field. Permits Telnet sessions.  
Non-configurable field. Displays the UDS1100’s port for telnet  
sessions.  
Web Enabled  
Web Port  
Non-configurable field. Permits configuration through Web-  
Manager.  
Non-configurable field. Displays the UDS1100’s port for Web-  
Manager configuration.  
Maximum Baud Rate  
Supported  
Non-configurable field. Displays the UDS1100’s maximum  
baud rate.  
Note: The UDS1100 may not currently be running at this rate.  
Firmware Upgradeable  
IP Address  
Non-configurable field. Displays True, indicating the  
UDS1100’s firmware is upgradeable as newer version  
become available.  
Non-configurable field. Displays the UDS1100’s current IP  
address. To change the IP address, see Assigning an IP  
Number of COB partitions  
supported  
Non-configurable field. Displays the number of COB partitions  
supported.  
Supports Dynamic IP  
Subnet Mask  
Gateway  
Non-configurable field. Indicates whether the current IP  
address on the UDS1100 was set manually or assigned by  
DHCP.  
Non-configurable field. Displays the UDS1100’s current  
subnet mask. To change the subnet mask, see Assigning an  
Non-configurable field. Displays the UDS1100’s current  
gateway. To change the gateway, see Assigning an IP  
Number of Ports  
TCP Keepalive  
Non-configurable field. Displays the number of ports on the  
UDS1100.  
Non-configurable field. Displays the UDS1100’s TCP  
keepalive value. The value is in the range 1-65s, and the  
default setting is 45.  
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Supports Configurable  
Pins  
Non-configurable field. Displays False.  
Supports Email Triggers  
Non-configurable field. Displays False.  
Supports AES Data  
Stream  
Non-configurable field. Displays False.  
Supports 485  
Non-configurable field. Displays True. The UDS1100 supports  
the RS-485 protocol.  
Supports 920K Baudrate  
Non-configurable field. Displays False. UDS1100 supports  
baud rates up to 230 Kbaud.  
Supports HTTP Server  
Supports HTTP Setup  
Supports 230K Baud Rate  
Non-configurable field. Displays True.  
Non-configurable field. Displays True.  
Non-configurable field. UDS1100 supports a baud rate of 230  
Kbaud.  
Next Step  
Now that the UDS has an IP address and other initial settings, you can configure it.  
1. Double-click the unit in the list. Details about the unit display.  
2. You have the following options:  
To configure the unit using a Web browser, click the Web Configuration tab.  
The Lantronix Web-Manager window displays in your browser. Continue with 4:  
Note: To assign Expert and Security settings, you must use the Setup  
Mode window in a Telnet session.  
To configure the unit using a Telnet session, click the Telnet Configuration  
tab. The Setup Mode window displays. Continue with 5: Configuration via  
.
Assigning the IP Address: Serial Port Login  
To assign the IP address and other network settings using a serial connection:  
1. Connect a console terminal or a PC running a terminal emulation program to the  
unit's serial port. The default serial port settings are 9600 baud, 8 bits, no  
parity, 1 stop bit, no flow control.  
2. To enter Setup Mode, cycle the unit's power (power off and back on). After  
power-up, the self-test begins and the red Diagnostic LED starts blinking. You  
have one second to enter three lowercase x characters.  
Note: The easiest way to enter Setup Mode is to hold down the x key at  
the terminal (or emulation) while powering up the unit.  
3. Select 0 (Server Configuration) and follow the prompts until you get to  
IP address.  
4. Enter the new IP address, subnet mask, and gateway (if applicable).  
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3: Getting Started  
5. Do one of the following:  
Select 9 to save and exit Setup Mode. The unit performs a power reset.  
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4: Configuration Using Web-Manager  
You must configure the unit so it can communicate on a network with your serial  
device. For example, you must set the way the unit will respond to serial and network  
traffic, how it will handle serial packets, and when to start or close a connection.  
The unit’s configuration is stored in nonvolatile memory and is retained without  
power. You can change the configuration at any time. The unit performs a reset after  
you change and store the configuration.  
In this chapter, we describe how to configure the UDS1100 using Web-Manager,  
Lantronix’s browser-based configuration tool. (For information on using Setup Mode,  
our command line configuration interface, see 5: Configuration via Telnet or Serial  
Note: The examples in this section show a typical device. Your device may have  
different configuration options.  
Accessing UDS1100 Using DeviceInstaller  
Note: Make note of the hardware (MAC) address. You will need it to locate  
the UDS1100 using DeviceInstaller. For more information on the hardware  
address, see Hardware Address on page 15.  
Follow the instructions on the product CD to install and run DeviceInstaller.  
1. Click StartÆPrograms Æ LantronixÆDeviceInstallerÆDeviceInstaller. If the  
PC has more than one network adapter, a message displays requesting the  
selection of a network adapter. Select an adapter and click OK.  
2. Click the Search icon  
. The list of Lantronix device servers displays in the  
left pane.  
3. Click the UDS folder. The list of available UDS products displays.  
4. Expand the list of UDS1100s by clicking the + symbol next to the UDS1100 icon.  
5. Select the UDS1100 unit by clicking its hardware address.  
6. In the right pane, click the Web Configuration tab.  
7. To view the UDS1100’s Web-Manager in the current DeviceInstaller window,  
click the Go button. To open the Web-Manager in a web browser, click the  
External Browser button. The Web-Manager displays.  
Note: Alternatively, to open Web-Manager, open your web browser and  
enter the IP address of the UDS1100.  
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4: Configuration Using Web-Manager  
Figure 4-1. Lantronix Web-Manager  
The main menu is in the left pane of the Web-Manager window.  
Network Configuration  
The unit’s network values display when you select Network from the main menu. The  
following sections describe the configurable parameters on the Network Settings  
page.  
Figure 4-2. Network Settings  
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4: Configuration Using Web-Manager  
Automatic IP Address Configuration  
An IP address can be assigned automatically. You then enter related network  
settings.  
To assign an IP address automatically:  
1. On the main menu, click Network.  
2. Select Obtain IP address automatically.  
3. Enter the following (as necessary):  
BOOTP  
Select Enable to permit the Bootstrap Protocol (BOOTP)  
server to assign the IP address from a pool of addresses  
automatically. Enable is the default.  
DHCP  
Select Enable to permit the Dynamic Host Configuration  
Protocol (DHCP) to assign a leased IP address to the  
UDS1100 unit automatically. Enable is the default.  
AutoIP  
Select Enable to permit the UDS1100 to generate an IP in the  
169.254.x.x address range with a Class B subnet. Enable is  
the default.  
DHCP Host Name  
Enter the name of the host on the network providing the IP  
address.  
Note: Disabling BOOTP, DHCP, and AutoIP (all three checkboxes) is not  
advised as the only available IP assignment method will then be ARP or  
serial port.  
4. When you are finished, click the OK button.  
5. On the main menu, click Apply Settings.  
Static IP Address Configuration  
You can manually assign an IP address to the unit and enter related network  
settings.  
To assign an IP address manually:  
1. On the main menu, click Network.  
2. Select Use the following IP configuration.  
3. Enter the following (as necessary):  
IP Address  
If DHCP is not used to assign IP addresses, enter it manually  
in decimal-dot notation. The IP address must be set to a  
unique value in the network.  
Subnet Mask  
A subnet mask defines the number of bits taken from the IP  
address that are assigned for the host part.  
Default Gateway  
The gateway address, or router, allows communication to  
other LAN segments. The gateway address should be the IP  
address of the router connected to the same LAN segment as  
the unit. The gateway address must be within the local  
network.  
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4: Configuration Using Web-Manager  
4. When you are finished, click the OK button.  
5. On the main menu, click Apply Settings.  
Ethernet Configuration  
You must specify the speed and direction of data transmission.  
To specify how data will be transmitted:  
1. On the main menu, click Network.  
2. Enter the following (as necessary):  
Auto Negotiate  
With this option, the Ethernet port auto-negotiates the speed  
and duplex with the hardware endpoint to which it is  
connected. This is the default.  
If this option is not selected, complete the fields that become  
available:  
Speed: The speed of data transmission. The default  
setting is 100 Mbps.  
Duplex: The direction of data transmission. The  
default setting is Full.  
3. When you are finished, click the OK button.  
4. On the main menu, click Apply Settings.  
Server Configuration  
The unit’s server values display when you select Server from the main menu. The  
following sections describe the configurable parameters on the Server Settings page.  
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4: Configuration Using Web-Manager  
Figure 4-3. Server Settings  
To configure the UDS1100’s device server settings:  
1. On the main menu, click Server.  
2. Configure or modify the following fields:  
Server Configuration  
Telnet Password  
Retype Password  
Enter the password required for Telnet access.  
Re-enter the password required for Telnet access.  
Advanced  
ARP Cache Timeout  
(secs)  
When the unit communicates with another device on the  
network, it adds an entry into its ARP table. ARP Cache  
timeout defines the number of seconds (1-600) before it  
refreshes this table.  
TCP Keepalive (secs)  
Monitor Mode @ Bootup  
HTTP Server Port  
TCP Keepalive time defines how many seconds the unit waits  
during an inactive connection before checking its status. If the  
unit does not receive a response, it drops that connection.  
Enter a value between 0 and 60 seconds. 0 disables  
keepalive. The default setting is 45.  
Select Disable to disable entry into the monitor mode using  
the yyy or xx1 key sequence at startup. This field prevents  
the unit from entering monitor mode by interpreting the stream  
of characters that are received during the device server's  
initialization at startup. The default setting is Enable.  
This option allows the configuration of the web server port  
number. The valid range is 1-65535. The default setting is 80.  
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4: Configuration Using Web-Manager  
MTU Size  
The Maximum Transmission Unit (MTU) is the largest physical  
packet size a network can transmit for TCP and UDP. Enter  
between 512 and 1400 bytes. The default setting is 1400  
bytes.  
3. When you are finished, click the OK button.  
4. On the main menu, click Apply Settings.  
Host List Configuration  
The UDS1100 scrolls through the host list until it connects to a device listed in the  
host list table. After a successful connection, the unit stops trying to connect to any  
others. If this connection fails, the unit continues to scroll through the table until the  
next successful connection.  
The host list supports a minimum of 1 and a maximum of 12 entries. Each entry  
contains an IP address and a port number.  
Note: The host list is disabled for Manual and Modem Mode. The unit does  
not accept a data connection from a remote device when the hostlist option is  
enabled.  
To configure the host list:  
1. On the main menu, click Hostlist.  
Figure 4-4. Hostlist Settings  
2. Enter or modify the following fields:  
Retry Settings  
Retry Counter  
Enter the value for the number of times the UDS1100 should  
attempt to retry connecting to the host list. The default setting  
is 3.  
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Retry Timeout  
Enter the duration (in seconds) the UDS1100 should abandon  
attempting a connection to the host list. The default setting is  
250.  
Host Information  
Host Address  
Port  
Enter or modify the host’s IP address.  
Enter the target port number.  
3. When you are finished, click the OK button.  
4. On the main menu, click Apply Settings.  
Channel 1 Configuration  
The Channel 1 configuration defines how the serial port responds to network and  
serial communication.  
Serial Settings  
To configure the channel’s serial settings:  
1. On the main menu, click Serial Settings (under Channel 1) to display the Serial  
Settings window.  
Figure 4-5. Channel Serial Settings  
2. In the available fields, enter the following information:  
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4: Configuration Using Web-Manager  
Channel 1  
Disable Serial Port  
When selected, disables communication through the serial  
port. The serial port is enabled by default.  
Note: This feature is not available on single port device  
servers.  
Port Settings  
Protocol  
From the drop-down menu, select the protocol type for the  
selected channel. The default setting is RS232.  
Flow Control  
Baud Rate  
Flow control manages data flow between devices in a network  
to ensure it is processed efficiently. Too much data arriving  
before a device is prepared to manage it causes lost or  
retransmitted data. None is the default.  
The unit and attached serial device, such as a modem, must  
agree on a speed or baud rate to use for the serial connection.  
Valid baud rates are 300, 600, 1200, 2400, 4800, 9600  
(default), 19200, 38400, 57600, 115200, and 230400 baud.  
The default setting is 9600.  
Data Bits  
Indicates the number of bits in a transmitted data package.  
The default setting is 8.  
Parity  
Checks for the parity bit. The default setting is None.  
Stop Bits  
The stop bit follows the data and parity bits in serial  
communication. It indicates the end of transmission. The  
default setting is 1.  
Pack Control  
Enable Packing  
Select to enable packing on the UDS1100.  
Two firmware-selectable packing algorithms define how and  
when packets are sent to the network.  
The standard algorithm is optimized for applications in which  
the unit is used in a local environment, allowing for very small  
delays for single characters, while keeping the packet count  
low.  
The alternate packing algorithm minimizes the packet count  
on the network and is especially useful in applications in a  
routed Wide Area Network (WAN). Adjusting parameters in  
this mode can economize the network data stream.  
Disabled by default.  
Idle Gap Time  
Select the maximum time for inactivity. The default time is  
12 milliseconds.  
Match 2 Byte Sequence  
Use to indicate the end of a series of data to be sent as one  
group. The sequence must occur sequentially to indicate end  
of the data collection to the UDS1100. The default setting is  
No.  
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Match Bytes  
Use to indicate the end of a series of data to be sent as one  
group. Set this value to 00 if specific functions are not needed.  
Send Frame Only  
After the detection of the byte sequence, indicates whether to  
send the data frame or the entire buffer. Select Yes to send  
only the data frame. The default setting is No.  
Send Trailing Bytes  
Select the number of bytes to send after the end-of-sequence  
characters. The default setting is None.  
Flush Input Buffer (Serial to Network)  
With Active Connect  
Select Yes to clear the input buffer with a connection that is  
initiated from the device to the network. The default setting is  
No.  
With Passive Connect  
At Time of Disconnect  
Select Yes to clear the input buffer with a connection initiated  
from the network to the device. The default setting is No.  
Select Yes to clear the input buffer when the network  
connection to or from the device is disconnected. The default  
setting is No.  
Flush Output Buffer (Network to Serial)  
With Active Connect  
Select Yes to clear the output buffer with a connection that is  
initiated from the device to the network. The default setting is  
No.  
With Passive Connect  
At Time of Disconnect  
Select Yes to clear the output buffer with a connection initiated  
from the network to the device. The default setting is No.  
Select Yes to clear the output buffer when the network  
connection to or from the device is disconnected. The default  
setting is No.  
3. When you are finished, click the OK button.  
4. On the main menu, click Apply Settings.  
Connection Settings - TCP  
To configure a channel’s TCP settings:  
1. On the main menu, click Connection. The Connection Settings window for the  
channel displays.  
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Figure 4-6. TCP Connection Settings  
2. In the available fields, enter or modify the following information:  
Connect Protocol  
Protocol  
From the drop-down menu, select TCP.  
Connect Mode: Passive Connection  
Accept Incoming  
Select Yes to accept incoming connections. The default  
setting is Yes.  
Password Required  
Determines whether a password is required for an incoming  
passive connection. This field is not available when a  
password is set for Telnet mode. The default setting is No.  
Password  
If Password Required was set to Yes, enter the password for  
passive connections.  
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Connect Mode: Active Connection  
Active Connect  
Select None (default) to disable Active Connect. Otherwise,  
indicate the connection type from the drop-down list:  
With Any Character: Attempts to connect when any  
character is received from the serial port.  
With Active Mdm Ctrl In: Accepts external  
connection requests only when the  
modem_control_in input is asserted.  
With Start Character: Attempts to connect when it  
receives a specific start character from the serial  
port. The default start character is carriage return.  
Manual Connection: Attempts to connect when  
directed by a command string received from the  
serial port.  
Auto Start: Automatically connects to the remote IP  
address and port after booting up.  
Start Character  
Modem Mode  
If Active Connect is set to With Start Character, enter the  
start character in this field. The default setting is 0D.  
Indicates the on-screen response type when in Modem Mode  
(if Modem Mode is enabled). The default setting is None.  
Endpoint Configuration  
Local Port  
Enter the local port number.  
Auto increment for active  
connect  
Select to auto-increment the local port number for new  
outgoing connections. The range of auto-incremented port  
numbers is 50,000 to 59,999 and loops back to the beginning  
when the maximum range is reached. Disabled by default.  
Remote Port  
Remote Host  
Enter the remote port number.  
Enter the IP address of the remote device.  
Common Options  
Telnet Mode  
This field is available for configuration only when Active  
Connect is set to None. Select Enable to permit Telnet  
communication to the UDS1100 unit.  
Terminal Name  
This field is available for configuration only when Telnet Mode  
is set to Enable.  
Use the terminal name for the Telnet terminal type. Enter only  
one name. When this option is enabled, the unit also reacts to  
the end of record (EOR) and binary options, which can be  
used for applications such as terminal emulation to IBM hosts.  
Connect Response  
A single character is transmitted to the serial port when there  
is a change in connection state. The default setting is None.  
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Use Hostlist  
If this option is set to True, the device server scrolls through  
the host list until it connects to a device listed in the host list  
table. Once it connects, the unit stops trying to connect to any  
others. If this connection fails, the unit continues to scroll  
through the table until it connects to another IP in the host list.  
The host list is disabled for Manual Mode and for Modem  
Mode. The unit will not accept a data connection from a  
remote device when the host list option is enabled.  
LED  
Select Blink for the status LEDs to blink upon connection or  
None for no LED output. The default setting is Blink.  
Disconnect Mode  
On Mdm_Ctrl_In Drop  
Set to Yes for the network connection to or from the serial port  
to drop when modem_control_in (DSR) transitions from a  
high state to a low state. The default setting is No.  
Hard Disconnect  
With EOT  
When set to Yes, the TCP connection closes even if the  
remote site does not acknowledge the disconnect request.  
Select Yes to drop the connection when Ctrl-D or Hex 04 is  
detected. Both Telnet Mode and Disconnect with EOT must  
be enabled for Disconnect with EOT to function properly.  
Ctrl+D is only detected going from the serial port to the  
network. The default setting is No.  
Inactivity Timeout  
Use this parameter to set an inactivity timeout. The unit drops  
the connection if there is no activity on the serial line before  
the set time expires. Enter time in the format mm:ss, where m  
is the number of minutes and s is the number of seconds. To  
disable the inactivity timeout, enter 00:00.  
3. When you are finished, click the OK button.  
4. On the main menu, click Apply Settings.  
Connection Settings - UDP  
To configure a channel’s UDP settings:  
1. On the main menu, click Connection. The Connection Settings window for the  
selected channel displays.  
2. In the available fields, enter or modify the following information:  
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Figure 4-7. UDP Connection Settings  
Connect Protocol  
Protocol  
Select UDP from the drop-down menu.  
Datagram Mode  
Datagram Type  
Configures the remote IP or network broadcast address and  
the remote port. Enter 01 for directed or broadcast UDP. The  
default setting is 00.  
Accept Incoming  
Select Yes to accept incoming UDP datagrams. The default  
setting is Yes.  
Endpoint Configuration  
Local Port  
Enter the local port number.  
Remote Port  
Enter the port number of the remote device.  
Enter the IP address of the remote device.  
Remote Host  
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Device Address Table  
The table is enabled when Datagram Type is set to FD. Enter  
values between 1 and 255 to identify units on the local  
network of device servers.  
Note: Lantronix Tech Support supports Datagram type 01.  
Datagram Type FD is for OEM use.  
3. When you are finished, click the OK button.  
4. On the main menu, click Apply Settings.  
Apply Settings  
1. To save and apply the configuration changes to the device server, click the  
Apply Settings button.  
Note: Clicking OK on each page does not change the configuration on the device.  
OK tells the UDS1100 what changes to use; Apply Settings makes the changes  
permanent and reboots the UDS1100.  
Apply Factory Defaults  
1. Click the Apply Defaults button to set the device server back to the default  
settings. For details see Default Settings on page 58.  
2. Click Yes to set factory settings, or click No to cancel.  
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5: Configuration via Telnet or Serial Port  
(Setup Mode)  
You must configure the unit so it can communicate on a network with your serial  
device. As an alternative to using a web browser, as described in the previous  
chapter, you can use the following procedures remotely or locally:  
Use a Telnet connection to configure the unit over the network.  
Use a terminal or terminal emulation program to access the serial port locally.  
The series of prompts at which you enter configuration settings is called Setup  
Mode.  
Note: Detailed information about other setup methods is available from your  
Lantronix Sales Associate.  
The unit’s configuration is stored in nonvolatile memory and is retained without  
power. You can change the configuration at any time. The unit performs a reset after  
the configuration has been changed and stored.  
This chapter tells you how to access Setup Mode and the general procedure for  
using it. To complete the configuration, continue with 6: Setup Mode: Server  
Note: The menus in the configuration chapters show a typical device. Your  
device may have different configuration options.  
Accessing Setup Mode  
Telnet Connection  
To configure the unit over the network, establish a Telnet connection to port 9999.  
Note: You can also use DeviceInstaller to access Telnet. Select the device  
from the main window list, and click the Telnet Configuration tab. Skip  
steps 1 and 2.  
To establish a Telnet connection:  
1. From the Windows Start menu, click Run and type the following command,  
where x.x.x.x is the IP address, and 9999 is the unit’s fixed network configuration  
port number:  
Windows: telnet x.x.x.x 9999  
UNIX: telnet x.x.x.x:9999  
2. Click OK. The following information displays.  
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5: Configuration via Telnet or Serial Port (Setup Mode)  
Figure 5-1. MAC Address  
3. To enter Setup Mode, press Enter within 5 seconds. The configuration settings  
display, followed by the Change Setup menu.  
Figure 5-2. Setup Menu Options  
4. Select an option on the menu by entering the number of the option in the Your  
choice ? field and pressing Enter.  
5. To enter a value for a parameter, type the value and press Enter, or to confirm a  
current value, just press Enter.  
6. When you are finished, save the new configuration (option 9). The unit reboots.  
Serial Port Connection  
To configure the unit through a serial connection:  
1. Connect a console terminal or PC running a terminal emulation program to your  
unit's serial port. The default serial port settings are 9600 baud, 8 bits, no  
parity, 1-stop bit, no-flow control.  
2. Reset the UDS1100 unit by cycling the unit's power (turning the power off and  
back on). Immediately upon resetting the device, enter three lowercase x  
characters (xxx).  
Note: The easiest way to enter Setup Mode is to hold down the x key at  
the terminal (or emulation) while resetting the unit. You must do this  
within three seconds of resetting the UDS1100.  
At this point, the screen display is the same as when you use a Telnet connection. To  
continue, go to step 3 in Telnet Connection, above.  
Exiting Setup Mode  
To exit setup mode:  
You have two options:  
To save all changes and reboot the device, select option 9 Save and exit from  
the Change Setup menu. All values are stored in nonvolatile memory.  
To exit the configuration mode without saving any changes or rebooting. select  
option 8 Exit without save from the Change Setup menu.  
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6: Setup Mode: Server Configuration  
This chapter explains how to configure the network settings.  
Note: Current values display in parentheses.  
Server Configuration (Option 0)  
The unit’s basic network parameters display when you select Server configuration  
(option 0). The IP Address, Set Gateway IP Address, and Netmask fields display  
the current values.  
Figure 6-1. Network Settings  
IP Address : (000) .(000) .(000) .(000)  
Set Gateway IP Address (N)  
Netmask: Number of Bits for Host Part (0=default) (0)  
Change telnet config password (N)  
IP Address  
If DHCP is not used to assign IP addresses, enter the IP address manually. The IP  
address must be set to a unique value in the network. Enter each octet and press  
Enter between each section. The current value displays in parentheses.  
IP Address : (000) (000) (000) (000) _  
If DHCP is used, the third octet of the IP address sets the BootP/DHCP/AutoIP  
options. The following table shows the bits you can manually configure to force the  
UDS1100 to disable AutoIP, DHCP, or BootP. To disable an option, set the  
appropriate bit.  
Table 6-1. BootP/DHCP/AutoIP options  
Value  
Options  
Bit  
AutoIP  
0
1
2
1
2
4
DHCP  
BootP  
For example, if the third octet is 0.0.5.0, the AutoIP and BootP options are  
disabled; only DHCP is enabled. (The value 5 results from adding the binary  
equivalents of 0 and 2.) This is the most common setting when using DHCP.  
Set Gateway IP Address  
The gateway address, or router, allows communication to other LAN segments. The  
gateway address should be the IP address of the router connected to the same LAN  
segment as the unit. The gateway address must be within the local network. The  
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6: Setup Mode: Server Configuration  
default setting is N (No), meaning the gateway address has not been set. To set the  
gateway address, type Y and enter the address.  
Set Gateway IP Address (N) ? Y  
Gateway IP addr (000) (000) (000) (000)_  
Netmask: Number of Bits for Host Part  
A netmask defines the number of bits taken from the IP address that are assigned for  
the host part.  
Netmask: Number of Bits for Host Part (0=default) (0) _  
Note: Class A: 24 bits; Class B: 16 bits; Class C: 8 bits  
The unit prompts for the number of host bits to be entered, then calculates the  
netmask, which appears in standard decimal-dot notation (for example,  
255.255.255.0) when the saved parameters display. The default setting is 0.  
Table 6-2. Standard IP Network Netmasks  
Network Class  
Host Bits  
Netmask  
A
B
C
24  
16  
8
255.0.0.0  
255.255.0.0  
255.255.255.0  
Change Telnet Configuration Password  
Setting the Telnet configuration password prevents unauthorized access to the setup  
menu through a Telnet connection to port 9999 or through web pages. The password  
must have 4 characters. The default setting is N (No).  
Figure 6-2. Change Telnet Configuration Password  
Change telnet config password (N) ? _  
An enhanced password setting (for Telnet access only) of 16 characters is available  
Note: You do not need a password to access the Setup Mode window by a  
serial connection.  
DHCP Name  
If a DHCP server has automatically assigned the IP address and network settings,  
you can discover the unit by using the DeviceInstaller network search feature or  
Monitor Mode (see 10: Monitor Mode).  
Note: When you enter Monitor Mode from the serial port with network  
connection enabled and issue the NC (Network Communication) command,  
you see the unit’s IP configuration.  
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6: Setup Mode: Server Configuration  
There are three methods for assigning DHCP names to the unit.  
Default DHCP Name: If you do not change the DHCP name, and you are  
using an IP of 0.0.0.0, then the DHCP name defaults to XX.XX.XX.XX  
(XXXXXX is the last 6 digits of the MAC address shown on the label on the  
bottom/side of the unit). For example, if the MAC address is 00-20-4A-12-34-  
56, then the default DHCP name is C123456.  
Custom DHCP Name: You can create your own DHCP name. If you are using  
an IP address of 0.0.0.0, then the last option in Server configuration is Change  
DHCP device name. This option allows you to change the DHCP name to an  
alphanumeric name (LTX in our example).  
Change DHCP device name (not set) ? (N) Y  
Enter new DHCP device name : LTX  
Numeric DHCP Name: You can change the DHCP name by specifying the last  
octet of the IP address. When you use this method, the DHCP name is LTXYY  
where YY is what you chose for the last octet of the IP address. If the IP  
address you specify is 0.0.0.12, then the DHCP name is LTX12. This method  
only works with 2 digit numbers (01-99).  
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7: Setup Mode: Channel Configuration  
This chapter explains how to configure the serial port.  
Notes:  
Current values display in parenthesis.  
You must enter some values in hexadecimal notation. (See B: Binary to  
Channel 1 (Option 1)  
Select Channel 1 (option 1) from the Change Setup menu to define how the serial  
port responds to network and serial communications. The following sections describe  
the configurable parameters within the Channel configuration menu.  
Figure 7-1. Serial Port Settings  
Baudrate  
The unit and attached serial device, such as a modem, must agree on a speed or  
baud rate to use for the serial connection. Valid baud rates are 300, 600, 1200, 2400,  
4800, 9600 (default), 19200, 38400, 57600, 115200, and 230400 baud.  
Baudrate (9600) ? _  
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7: Setup Mode: Channel Configuration  
I/F (Interface) Mode  
The Interface (I/F) Mode is a bit-coded byte entered in hexadecimal notation. The  
default setting is 4C.  
Figure 7-2. Interface Mode  
I/F Mode (4C) ? _  
The following table displays available I/F Mode options:  
Note: All bit positions in the table that are blank represent “don’t care” bits  
for that particular option, which can be set to either a 0 or 1 value.  
Table 7-1. Interface Mode Options  
I/F Mode Option  
RS-232C  
7
6
5
4
3
2
1
0
0
0
(1)  
RS-422/485 4-wire  
RS-485 2-wire  
7 Bit  
0
1
1
1
1
1
0
1
8 Bit  
No Parity  
0
1
0
0
1
1
Even Parity  
Odd Parity  
1 stop bit  
0
1
1
2 stop bits(1)  
1
(1)  
2 stop bits are implemented by the software. This might influence performance.  
The following table demonstrates how to build some common Interface Mode  
settings:  
Table 7-2. Common Interface Mode Settings  
Common I/F Mode Setting  
Binary  
Hex  
RS-232C, 8-bit, No Parity, 1 stop bit  
0100 1100  
4C  
RS-232C, 7-bit, Even Parity, 1 stop bit  
RS-485 2-wire, 8-bit, No Parity, 1 stop bit  
RS-422, 8-bit, Odd Parity, 1 stop bit  
0111 1000  
0100 1111  
0101 1101  
78  
4F  
5D  
Flow  
Flow control sets the local handshaking method for stopping serial input/output. The  
default setting is 00.  
Flow (00) ? _  
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7: Setup Mode: Channel Configuration  
Use the following table to select flow control options:  
Table 7-3. Flow Control Options  
Flow Control Option  
Hex  
00  
No flow control  
XON/XOFF flow control  
01  
Hardware handshake with RTS/CTS lines 02  
XON/XOFF pass characters to host 05  
Port Number  
The setting represents the source port number in TCP connections. It is the number  
that identifies the channel for remote initiating connections.  
Port No (10001) ? _  
The default setting for Port 1 is 10001. The range is 1-65535, except for the following  
reserved port numbers:  
Table 7-4. Reserved Port Numbers  
Port Numbers Reserved for  
1 – 1024  
9999  
Reserved (well known ports)  
Telnet setup  
14000-14009  
30704  
Reserved for Redirector  
Reserved (77F0h)  
30718  
Reserved (77FEh)  
Warning: We recommend that you not use the reserved port numbers  
for this setting as incorrect operation may result.  
Use Port 0 for the outgoing local port to change with each connection. The port range  
is 50,000-59,999. Each subsequent connection increments the number by 1 (it wraps  
back around to 50,000).  
Only use this automatic port increment feature to initiate a connection using TCP. Set  
the port to a non-zero value when the unit is in a passive mode or when using UDP  
instead of TCP.  
Connect Mode  
Connect Mode defines how the unit makes a connection, and how it reacts to  
incoming connections over the network.  
ConnectMode (C0) ? _  
Enter Connect Mode options in hexadecimal notation. The default setting is C0.  
Note: All bit positions in the table that are blank represent “don’t care” bits for  
that particular option, which can be set to either a 0 or 1 value.  
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7: Setup Mode: Channel Configuration  
Table 7-5. Connect Mode Options  
Connect Mode Option  
7
6
5
4
3
2
1
0
a) Incoming Connection  
Never accept incoming  
Accept with DTR Active  
Always Accept  
0
0
1
0
1
1
0
0
0
b) Response  
Nothing (quiet)  
0
1
Character response (C=connect,  
D=disconnect, N=unreachable)  
c) Active Startup  
No active startup  
With any character  
With DTR Active  
With a specific start character  
Manual connection  
Autostart  
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
Hostlist  
0
0
1
0
d) Datagram Type  
Directed UDP  
e) Modem Mode  
No Echo  
1
1
0
0
0
0
0
1
1
1
1
1
Data Echo & Modem Response  
(Numeric)  
1
Data Echo & Modem Response  
(Verbose)  
0
1
1
1
0
Modem Response Only (Numeric)  
Modem Response Only (Verbose)  
0
0
0
0
1
1
1
1
1
1
1
0
a) Incoming Connection  
Never Accept Incoming  
Accept with DTR Active  
Rejects all external connection attempts.  
Accepts external connection requests only when the DTR input  
is asserted. Cannot be used with Modem Mode.  
Always Accept  
Accepts any incoming connection when a connection is not  
already established. Default setting.  
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7: Setup Mode: Channel Configuration  
b) Response  
Character Response  
A single character is transmitted to the serial port when there is a  
change in connection state:  
C = connected, D = disconnected, N = host unreachable.  
This option is overridden when the Active Start Modem Mode  
or Active Start Host List is in effect. Default setting is Nothing  
(quiet).  
c) Active Startup  
No Active Startup  
Does not attempt to initiate a connection under any  
circumstance. Default setting.  
With Any Character  
With DTR Active  
Attempts to connect when any character is received from the  
serial port.  
Attempts to connect when the DTR input changes from not  
asserted to asserted.  
With a Specific Start  
Character  
Attempts to connect when it receives a specific start character  
from the serial port. The default start character is carriage return.  
Manual Connection  
Attempts to connect when directed by a command string  
received from the serial port. The first character of the command  
string must be a C (ASCII 0x43), and the last character must be  
either a carriage return (ASCII 0x0D) or a line feed (0x0A). No  
blanks or space characters may be in the command string.  
Between the first and last command string characters must be a  
full or partial destination IP address and may be a destination  
port number.  
The IP address must be in standard decimal-dot notation and  
may be a partial address, representing the least significant 1, 2,  
or 3 bytes of the remote IP address. The period is required  
between each pair of IP address numbers.  
If present, the port number must follow the IP address, must be  
presented as a decimal number in the range 1-65535, and must  
be preceded by a forward slash (ASCII 0x2F). The slash  
separates the IP address and the port number. If you omit the  
port number from a command string, the internally stored remote  
port number starts a connection.  
If a partial IP address is presented in a command string, it is  
interpreted to be the least significant bytes of the IP address and  
uses the internally stored remote IP address to provide the most  
significant bytes of the IP address. If the IP address entered is  
0.0.0.0/0, the device server enters Monitor Mode.  
For example, if the remote IP address already configured in the  
unit is 129.1.2.3, then an example command string would be  
C3/7. (This would connect to 129.1.2.3 and port 7.) You may  
also use a different ending for the connection string. For  
example, C50.1/23 would connect you to 129.1.50.1 and port 23.  
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7: Setup Mode: Channel Configuration  
Figure 7-3. Manual Connection Address Example  
Command String  
Result if remote IP is 129.1.2.3 and remote port is 1234  
Complete override; connection is started with host 121.2.4.5,  
port 1.  
C121.2.4.5/1  
C5  
Connects to 129.1.2.5, port 1234.  
Connects to 129.1.28.10, port 12.  
Enters Monitor Mode.  
C28.10/12  
C0.0.0.0/0  
Autostart (Automatic  
Connection)  
If you enable Autostart, the unit automatically connects to the  
remote IP address and remote port specified when the firmware  
starts.  
Hostlist  
If you enable this option, the device server scrolls through the  
hostlist until it connects to a device listed in the hostlist table.  
Once it connects, the unit stops trying to connect to any others. If  
this connection fails, the unit continues to scroll through the table  
until it is able to connect to another IP in the hostlist.  
Hostlist supports a minimum of 1 and a maximum of 12 entries.  
Each entry contains the IP address and the port number.  
The hostlist is disabled for Manual and Modem Modes. The unit  
does not accept a data connection from a remote device when  
the hostlist option is enabled.  
Figure 4-7. Hostlist Option  
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7: Setup Mode: Channel Configuration  
To enable the hostlist:  
1. Enter a Connect Mode of 0x20 (2X), where X is any digit. The menu shows you  
a list of current entries already defined in the product.  
2. To delete, modify, or add an entry, select Yes. If you enter an IP address of  
0.0.0.0, that entry and all others after it are deleted.  
3. After completing the hostlist, repeat the previous step if necessary to edit the  
hostlist again.  
4. For Retrycounter, enter the number of times the Lantronix unit should try to  
make a good network connection to a hostlist entry that it has successfully  
ARPed. The range is 1-15, with the default set to 3.  
5. For Retrytimeout, enter the number of seconds the unit should wait before  
failing an attempted connection. The time is stored as units of milliseconds in the  
range of 1-65535. The default setting is 250.  
d) Datagram Type  
Directed UDP  
When selecting this option, you are prompted for the Datagram type.  
Enter 01 for directed or broadcast UDP.  
When the UDP option is in effect, the unit never attempts to initiate a  
TCP connection because it uses UDP datagrams to send and receive  
data.  
e) Modem Mode  
In Modem (Emulation) Mode, the unit presents a modem interface to the attached  
serial device. It accepts AT-style modem commands and handles the modem signals  
correctly.  
Normally, there is a modem connected to a local PC and a modem connected to a  
remote machine. A user must dial from the local PC to the remote machine,  
accumulating phone charges for each connection. Modem Mode allows you to  
replace modems with UDS1100s, and to use an Ethernet connection instead of a  
phone call. By not having to change communications applications, you avoid  
potentially expensive phone calls.  
To select Modem Mode, set the Connect Mode to C6 (no echo), D6 (echo with full  
verbose), D7 (echo with numeric response), CF (modem responses only, numeric  
response), or CE (modem responses only, full verbose).  
Note: If the unit is in Modem Mode, and the serial port is idle, the unit can  
still accept network TCP connections to the serial port if Connect Mode is set  
to C6 (no echo), D6 (echo with full verbose), D7 (echo with numeric  
response, CF (modem responses only, numeric response), or CE (modem  
responses only, full verbose).  
Without Echo  
In Modem Mode, echo refers to the echo of all of the characters  
entered in command mode; it does not mean to echo data that is  
transferred. Quiet Mode (without echo) refers to the modem not  
sending an answer to the commands received (or displaying what  
was typed).  
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7: Setup Mode: Channel Configuration  
Data Echo & Modem  
Response  
Full Verbose: The unit echoes modem commands and responds to  
a command with a message string shown in the table below.  
Numeric Response: The unit echoes modem commands and  
responds to a command with a numeric response.  
Modem Responses  
Only  
Full Verbose: The unit does not echo modem commands and  
responds to a command with a message string shown in the table  
below.  
Numeric Response: The unit does not echo modem commands  
and responds to a command with a numeric response.  
Table 4-11. Modem Mode Messages  
Meaning  
Message  
Full Verbose  
OK  
Command was executed without error.  
A network connection has been established.  
A network connection has been closed.  
CONNECT  
NO CARRIER  
A remote device, having IP address n.n.n.n, is connecting to this  
device.  
RING n.n.n.n.  
Numeric Response  
0
1
2
3
4
OK  
Connected  
Ring  
No Carrier  
Error  
Received commands must begin with the two-character sequence AT and be  
terminated with a carriage return character.  
The unit ignores any character sequence received not starting with AT, and only  
recognizes and processes single AT-style commands. The unit treats compound AT  
commands as unrecognized commands.  
If the Full Verbose option is in effect, the unit responds to an unrecognized  
command string that is otherwise formatted correctly (begins with AT and ends with  
carriage return) with the "OK" message and takes no further action.  
If the Numeric Response option is in effect, the unit responds to an unrecognized  
command string that is otherwise formatted correctly with a "0" message and takes  
no further action.  
When an active connection is in effect, the unit transfers data and does not process  
commands received from the serial interface.  
When a connection is terminated or lost, the unit reverts to command mode.  
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When an active connection is in effect, the unit terminates the connection if it  
receives the following sequence from the attached serial device:  
No serial data is received for one second.  
The character sequence +++ is received, with no more than one second  
between each two characters.  
No serial data is received for one second after the last + character. At this time,  
the unit responds affirmatively per the selected echo/response mode.  
The character string ATH is received, terminated with a carriage return. The  
unit responds affirmatively according to the selected echo/response mode and  
drops the network connection. The serial interface reverts to accepting  
command strings.  
If this sequence is not followed, the unit remains in data transfer mode.  
Table 7-6. Modem Mode Commands  
Modem Mode  
Command  
Function  
ATDTx.x.x.x,pppp or Makes a connection to an IP address (x.x.x.x) and a remote port  
ATDTx.x.x.x/pppp  
number (pppp).  
Makes a connection to an IP address (x.x.x.x) and the remote port  
number defined within the unit.  
ATDTx.x.x.x  
Forces the unit into Monitor Mode if a remote IP address and port  
number are defined within the unit.  
ATD0.0.0.0  
ATD  
Forces the unit into Monitor Mode if a remote IP address and port  
number are not defined within the unit.  
Makes a connection to an IP address (x.x.x.x) and the remote port  
number defined within the unit.  
ATDx.x.x.x  
ATH  
Hangs up the connection (Entered as +++ATH ).  
Enables or disables connections from the network going to the serial  
port.  
n=0 disables the ability to make a connection from the network to the  
serial port.  
ATS0=n  
n=1-9 enables the ability to make a connection from the network to  
the serial port.  
n>1-9 is invalid.  
Enables or disables character echo and responses.  
n=0 disables character echo and responses.  
n=1 enables character echo and responses.  
ATEn  
ATVn  
Enables numeric response or full verbose.  
n=0 enables numeric response.  
n=1 enables full verbose.  
Note: The unit recognizes these AT commands as single commands such as  
ATE0 or ATV1; it does not recognize compound commands such as ATE0V.  
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7: Setup Mode: Channel Configuration  
Send the Escape Sequence (+++) in Modem Mode  
Send ‘+++’ in Modem Mode (Y) ? _  
Disable or enable the UDS1100’s ability to send the escape sequence. The default  
setting is Y (Yes) (send the escape sequence).  
Auto Increment Source Port  
Auto increment source port (N) ? _  
Y (Yes) auto increment the source port. The UDS1100 increments the port number  
used with each new connection.  
Remote IP Address  
This is the destination IP address used with an outgoing connection.  
Remote IP Address : (000) (000) (000) (000)_  
Note: This option does not display when Hostlist is enabled from the  
ConnectMode prompt (see Connect Mode on page 42 for more information).  
Remote Port  
You must set the remote TCP port number for the unit to make outgoing connections.  
This parameter defines the port number on the target host to which a connection is  
attempted.  
Remote Port (0) ? _  
To connect an ASCII terminal to a host using the unit for login purposes, use the  
remote port number 23 (Internet standard port number for Telnet services).  
Note: This option does not display when Hostlist is enabled from the  
ConnectMode prompt (see Connect Mode on page 42 for more information).  
DisConnMode  
This setting determines the conditions under which the unit will cause a network  
connection to terminate. The default setting is 00.  
DisConnMode (00) ? _  
Notes:  
In DisConnMode (Disconnect Mode), DTR drop either drops the connection or  
is ignored.  
All bit positions in the table that are blank represent “don’t care” bits for that  
particular option, which can be set to either a 0 or 1 value.  
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7: Setup Mode: Channel Configuration  
Table 7-7. Disconnect Mode Options  
Disconnect Mode Option  
7
6
5
4
3
2
1
0
(6)  
Disconnect with DTR drop  
1
Ignore DTR  
0
Telnet mode and terminal type setup (1)  
Channel (port) password (2)  
Hard disconnect (3)  
1
1
0
1
Disable hard disconnect  
State LED off with connection (4)  
Disconnect with EOT (^D) (5)  
1
1
(1) The UDS sends the "Terminal Type" upon an outgoing connection.  
(2) A password is required for a connection to the serial port from the network.  
(3) The TCP connection closes even if the remote site does not acknowledge the  
disconnection.  
(4) When there is a network connection to or from the serial port, the state LED turns off  
instead of blinking.  
(5) When Ctrl+D or Hex 04 is detected, the connection is dropped. Both Telnet Mode  
and Disconnect with EOT must be enabled for Disconnect with EOT to function  
properly. Ctrl+D is only detected going from the serial port to the network.  
(6) When DTR transitions from a high state to a low state, the network connection to or  
from the serial port drops.  
Flush Mode (Buffer Flushing)  
Using this parameter, you can control line handling and network buffers with  
connection startup and disconnect. The default setting is 00.  
FlushMode (00) ? _  
You can also select between two different packing algorithms.  
Note: All bit positions in the table that are blank represent “don’t care” bits for  
that particular option, which can be set to either a 0 or 1 value.  
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7: Setup Mode: Channel Configuration  
Table 7-8. Flush Mode Options  
Function  
7
6
5
4
3
2
1
0
Input Buffer (Serial to Network)  
Clear with a connection initiated from the device to the network  
Clear with a connection initiated from the network to the device  
Clear when the network connection to or from the device is disconnected  
Output Buffer (Network to Serial)  
1
1
1
Clear with a connection initiated from the device to the network  
Clear with a connection initiated from the network to the device  
Clear when the network connection to or from the device is disconnected  
Alternate Packing Algorithm (Pack Control)  
1
1
1
Enable  
1
Pack Control  
The packing algorithms define how and when packets are sent to the network. The  
standard algorithm is optimized for applications in which the unit is used in a local  
environment, allowing for very small delays for single characters, while keeping the  
packet count low. The alternate packing algorithm minimizes the packet count on the  
network and is especially useful in applications in a routed Wide Area Network  
(WAN). Adjusting parameters in this mode can economize the network data stream.  
Pack control settings are enabled in Flush Mode. Set this value to 00 if you do not  
need specific functions.  
Note: All bit positions in the table that are blank represent “don’t care” bits for  
that particular option, which can be set to either a 0 or 1 value.  
Table 7-9. Pack Control Options  
Option  
7
6
5
4
3
2
1
0
Packing Interval  
Interval: 12 msec  
Interval: 52 msec  
Interval: 250 msec  
Interval: 5 sec  
Trailing Characters  
None  
0
0
1
1
0
1
0
1
0
0
1
0
1
0
One  
Two  
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7: Setup Mode: Channel Configuration  
Option  
7
6
5
4
3
2
1
0
Send Characters  
2-Byte Send Character Sequence  
Send Immediately After Send chars  
1
1
Packing Interval  
Packing Interval defines how long the unit should wait before sending accumulated  
characters. This wait period is between successive network segments containing  
data. For alternate packing, the default interval is 12 ms.  
Trailing Characters  
In some applications, CRC, Checksum, or other trailing characters follow the end-of-  
sequence character; this option helps to adapt frame transmission to the frame  
boundary. The default setting is 00 (none).  
Send Characters  
If 2-Byte Send Character Sequence is enabled, the unit interprets the  
sendchars as a 2-byte sequence; if this option is not enabled, the unit  
interprets them independently. The default setting is 0 (disabled).  
If Send Immediately After Characters is not set, any characters already in  
the serial buffer are included in the transmission after a "transmit" condition is  
found. If this option is set, the unit sends immediately after recognizing the  
transmit condition (sendchar or timeout). The default setting is 0.  
Note: A transmission might occur if status information needs to be  
exchanged or an acknowledgment needs to be sent.  
DisConnTime (Inactivity Timeout)  
Use this parameter to set an inactivity timeout. The unit drops the connection if there  
is no activity on the serial line before the set time expires. Enter time in the format  
mm:ss, where m is the number of minutes and s is the number of seconds.  
DisConnTime (00:00) ?:  
To disable the inactivity timeout, enter 00:00. Range is 0 (disabled) to 5999 seconds  
(99 minutes, 59 seconds). Default setting is 0.  
Send Characters  
Enter up to two characters in hexadecimal representation in sendchar.  
SendChar 1 (00) ? _  
SendChar 2 (00) ? _  
If the unit receives a character on the serial line that matches one of these  
characters, it sends the character immediately, along with any awaiting characters, to  
the TCP connection. This action minimizes the response time for specific protocol  
characters on the serial line (for example, ETX, EOT). Setting the first sendchar to 00  
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7: Setup Mode: Channel Configuration  
disables the recognition of the characters. Alternatively, the unit can interpret two  
characters as a sequence (see Pack Control on page 51). The default setting is 00.  
Telnet Terminal Type  
This parameter displays only if you enabled the terminal type option in Disconnect  
Mode. With this option enabled, you can use the terminal name for the Telnet  
terminal type. Enter only one name.  
With terminal type option enabled, the unit also reacts to the EOR (end of record) and  
binary options, useful for applications like terminal emulation to IBM hosts.  
Channel (Port) Password  
This parameter appears only if the channel (port) password option is enabled in  
Disconnect Mode. With this option enabled, you can set a password on the serial  
port. The default setting is all 0s.  
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8: Setup Mode: Advanced Settings  
Expert Settings (Option 5)  
Note: You can change these settings using Telnet or serial connections only,  
not on the Web-Manager.  
Caution: Changing the expert settings can drastically affect the  
performance and access to the product. These settings should only be  
changed by an experienced network administrator.  
Figure 8-1. Expert Settings  
The default settings are listed below:  
TCP Keepalive time in s  
(1s – 65s; 0s=disable)  
45  
ARP Cache timeout in s  
(1s – 600s)  
600  
Disable Monitor Mode @  
bootup  
Enabled  
80  
HTTP Port Number  
(1-65535)  
MTU Size (512 – 1400)  
Enable alternate MAC  
Ethernet connection type  
0 (resulting in an operational value of 1400)  
Disabled (OEM use only)  
0 (resulting in auto-negotiation)  
TCP Keepalive time in seconds  
This option allows you to change how many seconds the unit waits during a silent  
connection before attempting to see if the currently connected network device is still  
on the network. If the unit gets no response, it drops that connection. The default  
setting is 45.  
TCP Keepalive time in s (1s – 65s; 0s=disable): (45)? _  
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8: Setup Mode: Advanced Settings  
ARP Cache timeout in seconds  
Whenever the unit communicates with another device on the network, it adds an  
entry into its ARP table. The ARP Cache timeout option allows you to define how  
many seconds (1-600) the unit will wait before timing out this table. The default  
setting is 600.  
ARP Cache timeout in s (1s – 65s; 0s=disable): (600)? _  
Disable Monitor Mode at bootup  
This option allows you to disable all entries into Monitor Mode during startup, except  
for the ‘xxx’ sequence. This prevents entry using yyy, zzz, xx1, and yy1 key  
sequences (only during the bootup sequence). The default for Monitor Mode at  
bootup is N (No). (See 10: Monitor Mode.)  
Monitor Mode @ bootup : enabled  
HTTP Port Number  
This option allows the configuration of the web server port number. The valid range is  
1-65535. The default HTTP port number is 80.  
HTTP Port Number : (80) ? _  
MTU Size  
The Maximum Transmission Unit (MTU) is the largest physical packet size a network  
can transmit for TCP and UDP. Enter between 512 and 1400 bytes. The default  
setting is 1400 bytes.  
MTU Size: (1400) ? _  
Enable alternate MAC  
If necessary, enable the alternate MAC address (if specified in the OEM setup  
record). The default setting is N (No).  
Enable alternate MAC (N) ? _  
Ethernet connection type  
The UDS1100 allows for the Ethernet speed and duplex to be manually configured.  
Enter 0 for auto-negotiation (default). To select the speed and duplex, enter one of  
the following: 2 (10Mbit/half duplex), 3 (10Mbit/full duplex), 4 (100Mbit/half duplex), or  
5 (100Mbit/full duplex).  
Ethernet connection type: (0) ? _  
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8: Setup Mode: Advanced Settings  
Security Settings (Option 6)  
You can change security settings by means of Telnet or serial connections only, not  
on the Web-Manager. We recommend that you set security over the dedicated  
network or over the serial setup to prevent eavesdropping.  
Caution: Disabling both Telnet Setup and Port 77FE will prevent users  
from accessing the setup menu from the network. Disabling Port 77FE  
also disables the Web from configuring the device.  
Select 7 to configure security settings.  
Figure 8-2. Security Settings  
Disable SNMP  
This setting allows you to disable the SNMP protocol on the unit for security reasons.  
The default setting is N (No).  
Disable SNMP (N) ? _  
SNMP Community Name  
The SNMP Community Name is a required field for NMS to read or write to a device.  
Enter a string of 1 to 13 characters. The default setting is public.  
SNMP Community Name (public): _  
The default entry is public. The current value is displayed in parentheses.  
Disable Telnet Setup  
Note: If you choose to disable this option, keep in mind that disabling both  
Telnet Setup and Port 77FE will prevent users from accessing the setup  
menu from the network.  
This setting defaults to the N (No) option. The Y (Yes) option disables access to  
Setup Mode by Telnet (port 9999). It only allows access locally using the web pages  
and the serial port of the unit.  
Disable Telnet Setup (N) ? _  
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8: Setup Mode: Advanced Settings  
Disable TFTP Firmware Update  
This setting defaults to the N (No) option. The Y (Yes) option disables the use of  
TFTP to perform network firmware upgrades. With this option, you can download  
firmware upgrades over the serial port using DeviceInstaller’s Recover Firmware  
Disable TFTP Firmware Update (N) : _  
Disable Port 77FE (Hex)  
Note: If you choose to disable this option, keep in mind that disabling both  
Telnet Setup and Port 77FE will prevent users from accessing the setup  
menu from the network.  
Port 77FE is a setting that allows DeviceInstaller, Web-Manager, and custom  
programs to configure the unit remotely. You may wish to disable this capability for  
security purposes.  
Disable Port 77FEh (N) ? _  
The default setting is the N (No) option, which enables remote configuration. You can  
configure the unit by using DeviceInstaller, web pages, Telnet, or serial configuration.  
The Y (Yes) option disables remote configuration and web sites.  
Disable Web Server  
This setting defaults to the N (No) option. The Y (Yes) option disables the web  
server.  
Disable Web Server (N) ? _  
Disable Web Setup  
The Y (Yes) option disables configuration using the Web-Manager. This setting  
defaults to the N (No) option.  
Disable Web Setup (N) ? _  
Disable ECHO Ports  
This setting controls whether port 7 echoes characters it receives. The default setting  
is Y (Yes), which disables ECHO ports.  
Disable ECHO ports (Y) ? _  
Enable Enhanced Password  
This setting defaults to the N (No) option, which allows you to set a 4-character  
password that protects Setup Mode by means of Telnet and web pages. The Y (Yes)  
option allows you to set an extended security password of 16-characters for  
protecting Telnet and Web Page access.  
Enable Enhanced Password (N) ? _  
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8: Setup Mode: Advanced Settings  
Default Settings (Option 7)  
Select 7 to reset the unit’s Channel 1 configuration and expert settings to the default  
settings. The server configuration settings for IP address, gateway IP address, and  
netmask remain unchanged. The configurable pins’ settings also remain unchanged.  
The specific settings that this option changes are listed below:  
Channel 1 Configuration Defaults  
Baudrate  
9600  
I/F Mode  
4C (1 stop bit, no parity, 8 bit, RS-232C)  
10001  
Own TCP port number  
Connect Mode  
C0 (always accept incoming connection; no active  
connection startup)  
Hostlist retry counter  
3
Hostlist retry timeout  
250 (msec)  
0x0D (CR)  
0
Start character for serial channel 1  
All other parameters  
Expert Settings Defaults  
TCP Keepalive time in s  
45  
ARP Cache timeout in s  
600  
No  
80  
Disable Monitor Mode @ bootup  
HTTP Port Number  
(1-65535)  
MTU Size (512 – 1400)  
Enable alternate MAC  
Ethernet Connection Type  
1400  
No ( for OEM use only)  
0 (auto-negotiate)  
Security Settings Defaults  
Disable SNMP  
No  
SNMP community name  
Disable Telnet setup  
public  
No  
Disable TFTP Firmware Update  
Disable Port 77FEh  
No  
No  
Disable Web Server  
No  
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8: Setup Mode: Advanced Settings  
Disable Web Setup  
No  
Disable ECHO ports  
Yes  
No  
Enable Enhanced Password  
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9: Firmware Upgrades  
Obtaining Firmware  
You can obtain the most up-to-date firmware and release notes for the unit from the  
Lantronix web site (www.lantronix.com) or by using anonymous FTP  
Reloading Firmware  
There are several ways to update the unit's internal operational code (*.ROM): using  
DeviceInstaller (the preferred way), using TFTP, or using the serial port. You can also  
update the unit's internal Web interface (*.COB) using TFTP or DeviceInstaller.  
Here are typical names for those files. Check the Lantronix web site for the latest  
versions and release notes.  
Table 9-1. Firmware Files  
ROM File  
COB  
uds1100_6101.rom  
uds1100_webm_1401.cob  
Please refer to the DeviceInstaller online Help for information about reloading  
firmware using DeviceInstaller. The other methods are discussed below.  
Using TFTP: Graphical User Interface  
To download new firmware from a computer:  
1. Use a TFTP client to send a binary file to the unit (*.ROM to upgrade the unit's  
internal operational code and *.COB to upgrade its internal Web interface).  
Note: TFTP requires the .ROM (binary) version of the unit's internal  
operational code.  
2. In the TFTP server field, enter the IP address of the unit being upgraded.  
3. Select Upload operation and Binary format.  
4. Enter the full path of the firmware file in the Local file name field.  
5. In the Remote file name field, enter the current internal operational code (U3) or  
WEB1 to WEB19 for the internal Web interface.  
6. Click the Upload Now button to transfer the file to the unit.  
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9: Firmware Upgrades  
Figure 9-1. TFTP Window  
After the firmware has been loaded and stored, which takes approximately 8 seconds  
to complete, the unit performs a power reset.  
Using TFTP: Command Line Interface  
To download new firmware from a computer:  
1. Enter the following from a TFTP command line interface:  
tftp –i <ip address> put <local filename> <destination file name>  
The following examples demonstrate the TFTP command sequence to download  
the .rom file and the .cob file:  
tftp –i 192.168.1.111 put uds1100_6101.rom U3  
tftp –i 192.168.1.111 put uds1100_webm_1401.cob WEB4  
2. In the Remote file name field, enter the current internal operational code (U3) or  
WEB1 to WEB19 for the internal Web interface.  
Recovering the Firmware Using the Serial Port and DeviceInstaller  
If for some reason the firmware is damaged, you can recover the firmware file by  
using DeviceInstaller to download the *.ROM file over the serial port.  
To recover firmware:  
1. Start DeviceInstaller. If your PC has more than one network adapter, a message  
displays. Select an adapter and click OK.  
2. From the Tools menu, select Advanced/Recover Firmware. The Serial Port  
Firmware Upgrade window displays.  
3. For Port on PC, enter the COM port on the PC that is connected to the serial  
port of the Lantronix unit.  
4. For Device Model, be sure the appropriate device (e.g., UDS1100)  
displays.  
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9: Firmware Upgrades  
5. For Firmware File, click the Browse button and go to the location where the  
firmware file resides.  
Note: Make sure the UDS1100 on which you are recovering firmware is connected to  
this selected port on your PC.  
6. Click OK to download the file.  
7. When prompted, reset the device. Status messages and a progress bar at the  
bottom of the screen show the progress of the file transfer. When the file transfer  
completes, the message “Successful, Click OK to Close” displays.  
8. Click the OK button to complete this procedure.  
Note For more information, see Recovering Firmware in the DeviceInstaller  
online Help.  
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10: Monitor Mode  
Monitor Mode is a command-line interface used for diagnostic purposes.  
There are two ways to enter Monitor Mode: locally using the serial port or remotely  
using the network.  
Entering Monitor Mode Using the Serial Port  
To enter Monitor Mode locally:  
1. Follow the same steps used for setting the serial configuration parameters  
2. Instead of typing three x keys, however:  
a) Type zzz (or xx1) to enter Monitor Mode with network connections.  
b) Type yyy (or yy1) to enter Monitor Mode without network connections.  
A 0> prompt indicates that you have successfully entered Monitor Mode.  
Entering Monitor Mode Using the Network Port  
To enter Monitor Mode using a Telnet connection:  
1. Establish a Telnet session to the configuration port (9999). The following  
message appears:  
2. Type M (upper case) immediately.  
A 0> prompt indicates that you have successfully entered Monitor Mode.  
Monitor Mode Commands  
The following commands are available in Monitor Mode. Many commands have an IP  
address as an optional parameter (xxx.xxx.xxx.xxx). If you enter the IP address, the  
command is applied to another unit with that IP address. If you do not enter the IP  
address, the command is executed locally.  
Note: All commands must be in capital letters. Responses to some of the  
commands are in Intel Hex format.  
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10: Monitor Mode  
Table 10-1. Monitor Mode Commands  
Command  
Command Name  
Function  
VS x.x.x.x  
Version  
Queries software header record (16 bytes) of unit  
with IP address x.x.x.x.  
GC x.x.x.x  
SC x.x.x.x  
PI x.x.x.x  
Get Configuration  
Send Configuration  
Ping  
Gets configuration of unit with IP address x.x.x.x as  
hex records (120 bytes).  
Sets configuration of unit with IP address x.x.x.x  
from hex records.  
Pings unit with IP address x.x.x.x to check device  
status.  
AT  
TT  
ARP Table  
Shows the unit’s ARP table entries.  
TCP Connection  
Table  
Shows all incoming and outgoing TCP connections.  
NC  
Network Connection  
Shows the unit’s IP configuration.  
Resets the unit’s power.  
RS  
Reset  
Quit  
QU  
Exits diagnostics mode.  
G0, G1, ....,Ge, Gf  
Get configuration  
from memory page  
Gets a memory page of configuration information  
from the device.  
S0, S1,...,Se, Sf  
Set configuration to  
memory page  
Sets a memory page of configuration information  
on the device.  
GM  
SS  
Get MAC address  
Set Security record  
Shows the unit's 6-byte MAC address.  
Sets the Security record without the encryption key  
and length parameters. The entire record must still  
be written, but the encryption-specific bytes do not  
need to be provided (they can be null since they  
are not overwritten).  
Note: Entering any of the commands listed above generates one of the  
following command response codes:  
Table 7-2. Command Response Codes  
Response  
Meaning  
0>  
OK; no error  
1>  
2>  
8>  
9>  
No answer from remote device  
Cannot reach remote device or no answer  
Wrong parameter(s)  
Invalid command  
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11: Troubleshooting and Contact Information  
This chapter discusses how you can diagnose and fix errors quickly without having to  
contact a dealer or Lantronix. It helps to connect a terminal to the serial port while  
diagnosing an error to view summary messages that may display. When  
troubleshooting, always ensure that the physical connections (power cable, network  
cable, and serial cable) are secure.  
Note: Some unexplained errors might be caused by duplicate IP addresses on the  
network. Make sure that your unit's IP address is unique.  
When troubleshooting the following problems, make sure that the UDS1100 is  
powered up. Confirm that you are using a good network connection.  
LEDs  
The UDS has the following LEDs, which help you diagnose problems.  
Power LED (green)  
Ethernet 10/100 Link (yellow = 10 Mb/green = 100 Mb)  
Ethernet Half/Full Duplex Activity (yellow = Half Duplex/green = Full Duplex)  
Diagnostic (red)  
Status (green)  
Simultaneously lit Diagnostic (red) and Status (green) LEDs mean something is  
wrong. If the Diagnostic LED is lit or blinking, count the number of times the Status  
LED blinks between its pauses. The following table explains the LED functions:  
Table 11-1. UDS1100 LEDs  
Condition  
Diagnostic LED  
Channel 1 Status LED  
No Errors  
OFF  
N/A  
Network controller error  
ON  
ON  
Blinks 3x/4 seconds  
Blinks 4x/4 seconds  
Serial number storage  
checksum error  
Duplicate IP address present  
No DHCP response  
ON  
Blinks 5x/4 seconds  
Blinks 5x/4 seconds  
Blinks 2x/second  
Blinks 2x/second  
Setup menu active  
Follows Diagnostic LED for 2  
seconds, off for 2 seconds  
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11: Troubleshooting and Contact Information  
Problems and Error Messages  
Table 11-2. Problems and Error Messages  
Problem/Message  
Reason  
Solution  
When you issue the ARP –S  
command in Windows, the "ARP  
entry addition failed: 5" message  
displays.  
Your currently logged-in  
user does not have the  
correct rights to use this  
command on this PC.  
Have someone from your IT  
department log you in with  
sufficient rights.  
When you attempt to assign an IP  
address to the unit by the ARP  
method, the "Press Enter to go into  
Setup Mode" error "(described  
below) message displays. Now  
when you Telnet to the device  
server, the connection fails.  
When you Telnet to port 1  
on the device server, you  
are only assigning a  
temporary IP address.  
When you Telnet into port  
9999 and do not press  
Enter quickly, the device  
server reboots, causing it to  
lose the IP address.  
Telnet back to Port 1. Wait for it to  
fail, then Telnet to port 9999 again.  
Make sure you press Enter  
quickly.  
When you Telnet to port 9999, the  
You did not press Enter  
"Press Enter to go into Setup Mode" quickly enough. You only  
Telnet to port 9999 again, but  
press Enter as soon as you see  
the "Press Enter to go into Setup  
message displays. However,  
have 5 seconds to press  
nothing happens when you press  
Enter, or your connection is closed.  
Enter before the connection Mode" message.  
is closed.  
When you Telnet to port 1 to assign  
an IP address to the device server,  
the Telnet window does not  
You may have entered the  
Ethernet address incorrectly that you entered with the ARP  
with the ARP command.  
Confirm that the Ethernet address  
command is correct. The Ethernet  
address may only include numbers  
0-9 and letters A-F. In Windows  
and usually in Unix, the segments  
of the Ethernet address are  
respond for a long time.  
separated by dashes. In some  
forms of Unix, the Ethernet  
address is segmented with colons.  
The IP address you are  
trying to assign is not on  
your logical subnet.  
Confirm that your PC has an IP  
address and that it is in the same  
logical subnet that you are trying to  
assign to the device server.  
The device server may not  
Make sure that the Link LED is lit.  
be plugged into the network If the Link LED is not lit, then the  
properly.  
device server is not properly  
plugged into the network.  
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11: Troubleshooting and Contact Information  
Problem/Message  
Reason  
Solution  
When you try to assign an IP with  
DeviceInstaller, you get the  
following :  
The cause is most likely  
one of the following:  
Double-check the parameters that  
you specified.  
The hardware address you  
specified is incorrect.  
Note: You cannot assign an IP  
address to a device server through  
a router.  
"No response from device!  
Verify the IP, Hardware  
Address and Network Class.  
Please try again."  
The IP address you are  
trying to assign is not a  
valid IP for your logical  
subnet.  
You did not choose the  
correct subnet mask.  
The device server is not  
communicating with the serial  
device to which it is attached.  
The most likely reason is  
the wrong serial settings  
were chosen.  
The serial settings for the serial  
device and the device server must  
match. The default serial settings  
for the device server are RS-232,  
9600 baud, 8 character bits, no  
parity, 1 stop bit, no flow control.  
When you try to enter the setup  
mode on the device server using  
the serial port, you get no response. previous problem, or  
The issue is most likely  
something covered in the  
Double-check everything in the  
problem above. Confirm that Caps  
Lock is not on.  
possibly, you have Caps  
Lock on.  
You can ping the device server, but  
not Telnet to the device server on  
port 9999.  
There may be an IP  
address conflict on your  
network  
Turn the device server off and then  
issue the following commands at  
the DOS prompt of your computer:  
You are not Telneting to  
port 9999.  
ARP -D X.X.X.X (X.X.X.X is the IP  
of the device server).  
The Telnet configuration  
port (9999) is disabled  
within the device server  
security settings.  
PING X.X.X.X (X.X.X.X is the IP of  
the device server).  
If you get a response, then there is  
a duplicate IP address on the  
network. If you do not get a  
response, use the serial port to  
verify that Telnet is not disabled.  
With DeviceInstaller, you get the  
Wrong Password error when you try to load is the incorrect  
to upgrade the firmware. firmware file for the UDS.  
The file you are attempting  
Download the correct firmware file  
from the Lantronix website.  
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11: Troubleshooting and Contact Information  
Problem/Message  
Reason  
Solution  
The device server appears to be set If you are sure that the  
You can check to see whether  
there is a socket connection to or  
from the UDS by looking at the  
Status LED.  
up correctly, but you are not  
communicating with your device  
attached to the device server  
across the network.  
serial port setting is correct,  
then you may not be  
connecting to the correct  
socket of the device server.  
If the Status LED is blinking  
consistently, then there is a good  
socket connection.  
Another possibility is that  
the device server is not set  
up correctly to make a good  
socket connection to the  
network.  
If the Status LED is solid green,  
then the socket connection does  
not exist. Use the Connect Mode  
option C0 for making a connection  
to the UDS from the network. Use  
Connect Mode option C1 or C5 for  
a connection to the network from  
the UDS.  
When connecting to the Web-  
Manager within the device server,  
the "No Connection With The  
Device Server" message displays.  
Your computer is not able  
to connect to port 30718  
(77FEh) on the device  
server.  
Make sure that port 30718 (77FEh)  
is not blocked with any router that  
you are using on the network. Also,  
make sure that port 77FEh is not  
disabled within the Security  
settings of the device server.  
Technical Support  
If you are experiencing an error that is not described in this chapter, or if you are  
unable to fix the error, you have the following options:  
To check our online knowledge base or send a question to Technical Support, go to  
Technical Support Europe, Middle East, and Africa  
Phone: +33 (0) 1 39 30 41 72  
Firmware downloads, FAQs, and the most up-to-date documentation are available at:  
When you report a problem, please provide the following information:  
Your name, and your company name, address, and phone number  
Lantronix model number  
Lantronix MAC number  
Software version (on the first screen shown when you Telnet to port 9999)  
Description of the problem  
Status of the unit when the problem occurred (please try to include information on  
user and network activity at the time of the problem)  
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12: Connections and Pinouts  
Serial Port  
The UDS has a female DCE DB25 serial port that supports RS-232 and RS-485/422  
serial standards (software selectable) up to 230 Kbaud.  
Figure 12-1. Serial Interface  
DB25 Serial Port  
Serial Connector Pinouts  
The unit’s female DB25 connector provides an RS-232C, RS-485, or RS-422 DCE  
serial port. The default serial port settings are 9600 baud, 8 bits, no parity, and 1 stop  
bit.  
Figure 12-2. DB25 Female DCE Interface RS232  
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12: Connections and Pinouts  
Figure 12-3. DB25 Female Interface RS422 (4 wire mode)  
Figure 12-4. DB25 Female Interface RS485 (2 wire mode)  
Modem Cable  
When attaching the DB25 of the UDS to the DB9 com port on a PC, use a  
standard straight-through serial cable (Lantronix Part No. 500-163). The  
figure below shows the pinouts for a DB25 to DB9 straight-through cable,  
often referred to as a "Modem Cable".  
To configure the UDS using the DB9 serial port, you need only pin out the  
TXD, RXD, and GND signals.  
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12: Connections and Pinouts  
Figure 12-5. Null Modem Cable (Lantronix Part No. 500-163)  
Network Port  
The unit's back panel contains a power plug and an RJ45 (10/100) Ethernet port.  
Figure 12-6. Network Interface  
RJ45 Ethernet Port  
Power Plug  
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12: Connections and Pinouts  
Ethernet Connector Pinouts  
The UDS1100 supports 10/100 Mbps half or full duplex Ethernet through an RJ45  
connector.  
Figure 12-7. RJ45 Ethernet Connector  
ug  
Power Plug  
Power input on the power plug is 9 -30 VDC (center +) or 10-24 VAC  
(1.5W maximum power required).  
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13: Technical Specifications  
Table 13-1. UDS1100 Technical Specifications  
Category  
Description  
CPU  
Lantronix DSTNI-EX 48 MHz clock  
256 KB zero wait state SRAM  
2 MB Flash  
Internal CPU Memory  
Flash  
EEPROM  
2 KB EEPROM  
Serial Interface  
1 DB25F DCE serial port  
Software-selectable baud rate from 300 to 230 KBaud  
Software-selectable RS232, RS422 or RS485 (2 and 4 wire support)  
Serial Line Formats  
Characters: 7 or 8 data bits  
Stop bits: 1 or 2  
Parity: odd, even, none  
Modem Control  
Flow Control  
DTR, DSR  
Hardware: CTS/RTS  
Software: XON/XOFF  
Power Input  
9-30 VDC or 9-24 VAC on barrel connector (1.5 Watts maximum consumption)  
9-30 VDC on DB25F serial interface  
Network Interface  
1 RJ45 10Base-T/100Base-TX Ethernet port  
Software selectable Ethernet speed 10/100/Auto  
Software selectable Half/Full/Auto duplex  
Dimensions  
Height: 2.3 cm (0.9 in)  
Width: 6.4 cm (2.5 in)  
Depth: 9.0 cm (3.5 in)  
Weight  
0.20 kg (0.45 lb)  
Temperature  
Operating range: 5° to +50° C (41° to 122° F)  
Storage -40° to 66° C (-40 to 151° F)  
Relative Humidity  
Case  
Operating 10% to 90% non-condensing, 40% to 60% recommended  
Storage 10% to 90% non-condensing  
Metal enclosure with integrated wall mounts  
Optional 35 mm Din Rail mount available  
Protocols Supported  
ARP, UDP/IP, TCP/IP, Telnet, ICMP, SNMP, DHCP, BOOTP, TFTP, and HTTP  
ModBus TCP, ModBus ASCII/RTU, DF1 Multi-Master (IAP version only)  
Installable Industrial  
Protocols  
Management  
Internal web server  
SNMP (read only)  
Serial login  
Telnet login  
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13: Technical Specifications  
Category  
System Software  
LEDs  
Description  
DeviceInstaller software  
DeviceInstaller, Windows® 95/98/ME/NT/2000/XP-based configuration software  
Com Port Redirector, Windows® 98/NT/2000/XP-based virtual com port software  
Power  
10/100 Mb Link  
10/100 Activity  
Diagnostic  
Status  
Emissions  
FCC Part 15 Subpart B Class A  
Radiated Emissions 30MHz – 1000MHz  
Radiated Emissions 30MHz – 1000MHz  
Radiated Emissions 30MHz – 1000MHz  
ICES-003 Issue 4 February 2004 Class A  
AS/NZS CISPR 22: 2004 Class A  
EN55022: 1998 + A1: 2000 + A2: 2003 Class A Radiated Emissions 30MHz –  
1000MHz  
VCCI V-3/2005.04 Class A  
EN61000-3-2: 2000 Class A  
EN61000-3-3: 1995 + A1: 2001  
Radiated Emissions 30MHz – 1000MHz  
Harmonic Current Emissions  
Fluctuations and Flicker  
Immunity  
EN55024: 1998 +A1: 2001 +A2: 2003  
IEC_61000-4-2: 1995  
(Direct/Indirect)  
ESD 8KV Air Discharge (Direct), 4KV Contact Discharge  
IEC_61000-4-3: 1995  
IEC_61000-4-4: 1995  
Radiated Immunity 3.0V/m, 1KHz AM Sine Wave at 80%  
EFT/Burst 1.0KV Power Lines, 0.5KV I/O Lines  
IEC_61000-4-5: 1995  
Mode  
Surge Immunity 1.0KV Common Mode, 1.0 KV Differential  
IEC_61000-4-6: 1996  
IEC_61000-4-8: 1993  
IEC_61000-4-11: 1994  
Conducted Immunity 3.0 Vrms, 80% AM Modulated (1KHz)  
Magnetic Field Immunity 50Hz 1.0 Arms/m  
Voltage Dips and Interrupts (>95%, 0.5 periods), (30%, 25  
periods), (>95%, 250 periods)  
Isolation  
Designed with protections against transients and ESD for use under harsh  
environments  
Serial Port: 15 KV ESD protection on RS232 and RS422/485 transceivers  
Power Input: Up to non-repeated 600 W 10/100 usec pulse protection against transient  
over voltages  
Ethernet Port: 1500 VAC isolation shielded with shield connected to chassis ground for  
signal integrity and ESD protection  
Agency Approvals  
UL, CSA, FCC, CE, TUV, CTick, VCCI  
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A: Alternative Ways to Assign an IP Address  
Earlier chapters describe how to assign a static IP address using DeviceInstaller,  
Web Manager, and Setup Mode (through a Telnet or serial connection). This section  
covers other methods for assigning an IP address over the network.  
DHCP  
The unit ships with a default IP address of 0.0.0.0, which automatically enables  
DHCP. If a DHCP server exists on the network, it provides the unit with an  
IP address, gateway address, and subnet mask when the unit boots up.  
You can use the DeviceInstaller software to search the network for the DHCP-  
assigned IP address and add it to the list of devices retrieved.  
Note: This DHCP address does not appear in the unit’s Setup Mode or in  
Web Manager. You can determine your unit’s DHCP-assigned IP address in  
Monitor Mode. When you enter Monitor Mode from the serial port with  
network connection enabled and issue the NC (Network Communication)  
command, you see the unit’s IP configuration.  
AutoIP  
The unit ships with a default IP address of 0.0.0.0, which automatically enables  
Auto IP within the unit. AutoIP is an alternative to DHCP that allows hosts to obtain  
an IP address automatically in smaller networks that may not have a DHCP server. A  
range of IP addresses (from 169.254.0.1 to 169.254.255.1) has been explicitly  
reserved for AutoIP-enabled devices. Do not use this range of Auto IP addresses  
over the Internet.  
If your unit cannot find a DHCP server, and you have not manually assigned an  
IP address to it, the unit automatically selects an address from the AutoIP  
reserved range. Then, your unit sends out a (ARP) request to other nodes on  
the same network to see whether the selected address is being used.  
If the selected address is not in use, then the unit uses it for local subnet  
communication.  
If another device is using the selected IP address, the unit selects another  
address from the AutoIP range and reboots. After reboot, the unit sends out  
another ARP request to see if the selected address is in use, and so on.  
AutoIP does not replace DHCP. The unit continues to look for a DHCP server on the  
network. If it finds a DHCP server, the unit switches to the DHCP server-provided  
address and reboots.  
Note: If a DHCP server is found, but it denies the request for an IP address,  
the unit does not attach to the network, but waits and retries.  
AutoIP can be disabled by setting the unit’s IP address to 0.0.1.0. This setting  
enables DHCP but disables AutoIP.  
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A: Alternative Ways to Assign an IP Address  
BOOTP  
Similar to DHCP, but for smaller networks. Automatically assigns the IP address for a  
specific duration of time.  
ARP and Telnet  
If the unit has no IP address, you can use Address Resolution Protocol (ARP)  
method from UNIX and Windows-based systems to assign a temporary IP address.  
To assign a temporary IP address:  
1. On a UNIX or Windows-based host, create an entry in the host's ARP table  
using the intended IP address and the hardware address of the unit (on the  
product label on the bottom of the unit).  
arp -s 191.12.3.77 00:20:4a:xx:xx:xx (Unix)  
arp -s 191.12.3.77 00-20-4a-xx-xx-xx (Windows)  
Note: For the ARP command to work on Windows 95, the ARP table  
on the PC must have at least one IP address defined other than its  
own.  
2. If you are using Windows 95, type ARP -A at the DOS command prompt to  
verify that there is at least one entry in the ARP table. If the local machine is  
the only entry, ping another IP address on your network to build a new entry  
in the ARP table; the IP address must be a host other than the machine on  
which you are working. Once there is at least one additional entry in the ARP  
table, use the following command to ARP an IP address to the unit:  
arp -s 191.12.3.77 00-20-4a-xx-xx-xx  
3. Open a Telnet connection to port 1. The connection fails quickly, but the unit  
temporarily changes its IP address to the one designated in this step.  
telnet 191.12.3.77 1  
4. Open a Telnet connection to port 9999, and press Enter within five seconds  
to go into Setup Mode. If you wait longer than five seconds, the unit reboots.  
telnet 191.12.3.77 9999  
Note: The IP address you just set is temporary and reverts to the default  
value when the unit’s power is reset, unless you configure the unit with a  
static IP address and store the changes permanently.  
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B: Binary to Hexadecimal Conversions  
Many of the unit’s configuration procedures require assembling a series of options  
(represented as bits) into a complete command (represented as a byte). Convert the  
resulting binary value to a hexadecimal representation.  
Converting Binary to Hexadecimal  
Following are two simple ways to convert binary numbers to hexadecimals.  
Conversion Table  
Hexadecimal digits have values ranging from 0 to F, which are represented as 0-9, A  
(for 10), B (for 11), etc. To convert a binary value (for example, 0100 1100) to a  
hexadecimal representation, the upper and lower four bits are treated separately,  
resulting in a two-digit hexadecimal number (in this case, 4C). Use the following table  
to convert values from binary to hexadecimal.  
Decimal  
Binary Hex  
0
0000  
0001  
0010  
0011  
0100  
0101  
0110  
0111  
1000  
1001  
1010  
1011  
1100  
1101  
1110  
1111  
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
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B: Binary to Hexadecimal Conversions  
Scientific Calculator  
Another simple way to convert binary to hexadecimals is to use a scientific calculator,  
such as the one available on Windows’ operating systems. For example:  
1. On the Windows’ Start menu, click ProgramsÆAccessoriesÆCalculator.  
2. On the View menu, select Scientific. The scientific calculator displays.  
3. Select Bin (Binary), and type the number to convert.  
4. Click Hex. The hexadecimal value displays.  
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C: Warranty  
Lantronix warrants each Lantronix product to be free from defects in material and  
workmanship for a period of TWO YEARS after the date of shipment. During this  
period, if a customer is unable to resolve a product problem and Lantronix Technical  
Support determines the product is defective, a Return Material Authorization (RMA)  
will be issued. Following receipt of an RMA number, the customer shall return the  
product to Lantronix, freight prepaid. Upon verification of warranty, Lantronix will -- at  
its option -- repair or replace the product and return it to the customer freight prepaid.  
If the product is not under warranty, the customer may have Lantronix repair the unit  
on a fee basis or return it. No services are handled at the customer's site under this  
warranty. This warranty is voided if the customer uses the product in an unauthorized  
or improper way, or in an environment for which it was not designed.  
Lantronix warrants the media containing its software product to be free from defects  
and warrants that the software will operate substantially according to Lantronix  
specifications for a period of 60 DAYS after the date of shipment. The customer will  
ship defective media to Lantronix. Lantronix will ship the replacement media to the  
customer.  
*
*
*
*
In no event will Lantronix be responsible to the user in contract, in tort (including  
negligence), strict liability or otherwise for any special, indirect, incidental or  
consequential damage or loss of equipment, plant or power system, cost of capital,  
loss of profits or revenues, cost of replacement power, additional expenses in the use  
of existing software, hardware, equipment or facilities, or claims against the user by  
its employees or customers resulting from the use of the information,  
recommendations, descriptions and safety notations supplied by Lantronix. Lantronix  
liability is limited (at its election) to:  
Refund of buyer's purchase price for such affected products (without interest)  
Repair or replacement of such products, provided that the buyer follows the  
above procedures.  
There are no understandings, agreements, representations or warranties, express or  
implied, including warranties of merchantability or fitness for a particular purpose,  
other than those specifically set out above or by any existing contract between the  
parties. Any such contract states the entire obligation of Lantronix. The contents of  
this document shall not become part of or modify any prior or existing agreement,  
commitment, or relationship.  
For details on the Lantronix warranty replacement policy, please go to our Web site  
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D: Compliance and Disclaimer  
Manufacturer’s Name & Address  
Lantronix 15353 Barranca Parkway, Irvine, CA 92618 USA  
Declares that the following product:  
Product Name Model: UDS1100 Device Server  
Conforms to the following standards or other normative documents:  
Safety  
UL 60950-1  
CSA 22.2. No 60950-1-03  
EN 60950-1  
TUV  
VCCI  
C-TICK  
Electromagnetic Emissions  
FCC Part 15 Subpart B Class A  
ICES-003 Issue 4 February 2004 Class A  
AS/NZS CISPR 22: 2004 Class A  
EN55022: 1998 + A1: 2000 + A2: 2003 CLASS A  
EN61000-3-2: 2000 Class A  
EN61000-3-3: 1995 +A1: 2001  
VCCI  
Electromagnetic Immunity  
EN55024: 1998 +A1: 2001 +A2: 2003  
IEC 61000-4-2: 1995  
IEC 61000-4-3: 1995  
IEC 61000-4-4: 1995  
IEC 61000-4-5: 1995  
IEC 61000-4-6: 1996  
IEC 61000-4-8: 1993  
IEC 61000-4-11: 1994  
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D:Compliance and Disclaimer  
Disclaimer and Supplementary Information  
This product has been designed to comply with the limits for a Class A digital device  
pursuant to Part 15 of FCC Rules. These limits are designed to provide reasonable  
protection against such interference when operating in a commercial environment.  
This equipment generates, uses, and can radiate radio frequency energy, and if not  
installed and used in accordance with this guide, may cause harmful interference to  
radio communications. Operation of this equipment of this equipment in a residential  
area is likely to cause harmful interference in which case the user will be required to  
correct the interference at user own expense.  
This Class A digital apparatus complies with Canadian ICES-003  
Cet appareil numerique de la classe A est conforme a la norme NMB-003 du  
Canada  
The product complies with the requirements of the Low Voltage Directive 72/23/EEC  
and the EMC Directive 89/336/EEC.  
Changes or modifications to this device not explicitly approved by Lantronix will void  
the user's authority to operate this device. The information in this guide may change  
without notice. The manufacturer assumes no responsibility for any errors that may  
appear in this guide.  
Manufacturer’s Contact  
Director of Quality Assurance, Lantronix  
15353 Barranca Parkway, Irvine, CA 92618 USA  
Tel: 949-453-3990  
Fax: 949-453-3995  
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Index  
Applications, 9  
requirement, 15  
ARP and Telnet, 76  
AutoIP, 15, 75  
searching for on the network, 17  
Label, 12  
Binary to hexadecimal conversions, 77  
BOOTP, 15, 76  
LEDs, 65  
MAC address, 12  
Channel settings, 27, 40  
Command line interface, 35  
Configuration methods, 11  
Connect Mode, 42  
Connection settings  
TCP, 29  
Modem emulation, 11  
Modem Mode, 46  
Monitor Mode, 63  
Netmask, 38  
Network settings, 22  
Null modem cable, 70  
Package contents, 13  
Password for Telnet configuration, 38  
Pinouts, 69  
UDP, 32  
Connectors, 69  
Contacts, 2  
Default settings  
Ethernet connector, 72  
serial connector, 69  
Power plug, 71  
applying in Setup Mode, 58  
applying in Web-Manager, 34  
DeviceInstaller  
Problems, 66  
accessing the unit, 21  
assigning the IP address, 16  
installing from product CD, 16  
DHCP, 15, 75  
Protocols, 11  
Redirection software, 10  
Required information, 15  
RJ45 Ethernet port, 71  
RS-232 and RS-485/422 standards, 69  
Security settings, 56  
Serial port  
DHCP name. See  
Error messages, 66  
Ethernet address, 12  
Expert settings, 54  
Firmware  
accessing Setup Mode, 19  
login, 19  
recovering, 61  
Serial tunneling, 9  
Server settings  
upgrading, 60  
Gateway, 37  
Setup Mode, 37  
Getting started, 13  
Hardware address, 12, 15  
Host list settings  
Web-Manager, 24  
Setup Mode, 35  
accessing by serial port connection, 36  
accessing by Telnet. See  
SNMP, 56  
Setup Mode, 45  
Web-Manager, 26  
Installation, 14  
TCP settings, 29  
Internal web server, 11  
IP address  
Technical specifications  
Technical Support, 68  
TFTP, 60  
assigning, 16, 23, 37  
automatic assignment, 23  
factory default, 15  
gateway, 37  
Troubleshooting, 7, 65  
UDP settings, 32  
Warranty, 79  
other ways to assign, 75  
Web-Manager, 21  
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