Installation Guide
10/100 Fast Ethernet Switch
with Gigabit Uplinks
KS-2240
DOC.000917-KS2240-K
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24-Port Fast Ethernet Switch
with Gigabit Uplinks
INSTALLATION GUIDE
DOC.000917-KS2240-NK
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The information contained in this document is subject to change without prior notice.
TRADEMARKS
Ethernet is a registered trademark of Xerox Corp.
This device complies with Class A Part 15 the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must accept any
interference received including the interference that may cause.
CISPR A COMPLIANCE:
This device complies with EMC directive of the European Community and meets or exceeds the follow-
ing technical standard.
EN 55022 - Limits and Methods of Measurement of Radio Interference Characteristics of Information
Technology Equipment. This device complies with CISPR Class A.
WARNING: This is a Class A product. In a domestic environment this product may cause radio inter-
ference in which case the user may be required to take adequate measures.
CE NOTICE
Marking by the symbol
indicates compliance of this equipment to the EMC directive of the
European Community. Such marking is indicative that this equipment meets or exceeds the following
technical standards:
EN 55022: Limits and Methods of Measurement of Radio Interference characteristics of Information
Technology Equipment.
EN 50082/1:Generic Immunity Standard -Part 1: Domestic Commercial and Light Industry.
EN 60555-2: Disturbances in supply systems caused by household appliances and similar electrical equip-
ment - Part 2: Harmonics.
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Table of Contents
1. Introduction......................................................... 6
1.1 Features...............................................................................7
1.2 Specifications.......................................................................9
2. Installing the Switch ......................................... 10
2.1 Packing List .......................................................................10
2.2 Panels................................................................................ 11
2.3 Mounting the Switches .......................................................12
3. Making Network Connections ......................... 13
3.1 Network Switched Ports .....................................................13
3.2 10/100BASE-TX Fast Ethernet Ports ..................................15
3.3 Gigabit Ethernet Slots ........................................................17
3.4 Making Trunk Connections .................................................19
3.5 Virtual LAN (VLAN) ............................................................21
4. LED Indicators .................................................. 23
4.1 LED Panels ........................................................................23
4.2 Interpretation ......................................................................23
5. Performing Network Management .................. 24
5.1 Management Support .........................................................24
5.2 Management objects ..........................................................25
5.3 Setting IP Address .............................................................26
5.4 Console Management ........................................................27
5.5 Web Management ..............................................................28
5.6 Telnet Management ............................................................28
5.7 SNMP and RMON Management.........................................29
5.8 Software Upgrade ...............................................................29
5.9 Support ..............................................................................30
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1. Introduction
Driven by recent advances in desktop computing technology, today’s
network applications have increased in speed, power and the ability to
process information. To meet the demands of these more bandwidth-
intensive applications, this switch device provides significant increase
in performance for your Ethernet and Fast Ethernet network. The switch
comes with high number of 10/100 Fast Ethernet switched ports, each
capable of transferring information simultaneously at full wire speed to
control and allocate the network bandwidth. It also provides two Gigabit
Ethernet slots for migration to Gigabit network smoothly.
The key features of the switch units are:
•
High Port-count and High Bandwidth : Combining large number of 10/
100Mbps-based Fast Ethernet switched ports and two Gigabit ports,
the switches deliver a tremendous aggregated bandwidth for your net-
work.
•
•
•
Easy Migration : With 10BASE-T, 100BASE-T, 1000BASE-X support,
the switch provides a non-disruptive and smooth migration path from
Ethernet to Fast Ethernet, and even to Gigabit Ethernet network.
Easy Installation : With the functions of auto-speed-sensing and
auto-negotiation on each port, the switches support plug-and-play
installation by default which eliminates configuration problems.
Network Management : With the built-in SNMP and web manage-
ment software agent, the switch provides network management func-
tion for advanced applications. It allows you to control and monitor
the switch remotely from anywhere in the network.
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1.1 Features
Designed for resolving congestion problems caused by bandwidth-hun-
gry devices and bandwidth-intensive applications as well as a high num-
ber of users, the switches not only adhere to the IEEE 802.3 10BASE-T,
IEEE 802.3u 100BASE-TX, and IEEE 802.3z 1000BASE-X standards, but
also feature:
•
•
High port-count of 10/100BASE-TX auto-negotiation switched
ports for flexible connections to desktop PCs, servers and hubs.
The 10/100BASE-TX switched ports support:
-
-
auto speed sensing for 100Mbps or 10Mbps connection
auto configuration with auto-negotiation devices
•
Two 1000Mbps Gigabit switched port slots support:
1000BASE-SX Gigabit switched module
-
•
•
•
•
•
•
•
•
•
•
•
Self learning for network configuration
Store and forward switching to ensure only good packets are forwarded
Full-duplex or half-duplex operation support for all switched ports
Forwarding and filtering at full wire speed
Supports IEEE 802.3x flow control for full-duplex operation
Supports back-pressure flow control for half-duplex operation
Supports IEEE 802.1d spanning tree protocol
Supports port-based and 802.1q tagged VLAN
Supports trunking function
Supports Web-based and SNMP management
Full diagnostic LED indicators to indicate the power and port
status
•
19-inch rack mountable
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Management Features:
•
•
•
Telnet for remote control
Provides one RS232 local console port
802.1D Bridging
- 802.1d spanning tree
- 802.1P/Q GARP/GVRP
•
•
Routing - RIP, RIP-2, DHCP-relay, ICMP router discovery message
IP Multicast
- IGMP Snooping
- IP Multicast packet filtering
•
•
•
TFTP - software upgrade capability
Web-based management
SNMP management
- SNMP agent RFC 1155-1157
- MIB-II, Bridge MIB (RFC 1286), private MIB
- VLAN MIB (802.1Q)
- RMON MIB (RFC 1757) -static, history, alarm, event
- IGMP MIB
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1.2 Specifications
Standard
IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX
IEEE802.3z1000BASE-X
IEEE 802.3ad Port trunking
IEEE 802.3x Full duplex flow control
IEEE 802.1D Spanning tree
IEEE 802.1Q Tagged VLAN
IEEE802.1P/QGARP/GVRP
Network ports 24 10/100BASE-TX switched ports
2 Gigabit switched slots for optional Gigabit module
1 DB9 Male connector
Console port
Cables
10BASE-T Cat. 3, 4, 5 UTP cable (100 meters max.)
100BASE-TX Cat. 5 UTP cable (100 meters max.)
1000BASE-SX Multimode fiber
UnitLED
Power status
Link/Activity, Speed, Duplex/Collision status per port
14,880 pps for Ethernet (10BASE-T)
TP Port LED
Filtering rate
148.8 Kpps for Fast Ethernet (100BASE-TX)
1.488 Mpps for Gigabit ports (1000BASE-X)
Forwardingrate 14,880 pps for Ethernet (10BASE-T)
148.8 Kpps for Fast Ethernet (100BASE-TX)
1.488 Mpps for Gigabit ports (1000BASE-X)
Filteringaddress Multicast/Broadcast/Unicast address
MAC addresses 12K entries
RAM buffer
Environment
Power
2MBytes for Port 1-12 and Giga-slot1
2MBytes for Port 13-24 and Giga-slot2
Temperature
Relative humidity
0oC to 40oC
10% to 90% non-condensing
Universal power supply 100-240VAC, 50/60Hz, 65W
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2. Installing the Switch
The switch is designed to operate in workgroup environments without a
complicated configuration procedure. It also features an auto-select 100-
240V, 50/60Hz power supply unit, which works in most countries around
the world.
Before connecting the supplied power cord into the switch, check to see
that the cord voltage and current rating conform to the standards of the
country of operation.
2.1 Packing List
The switch has the following components shipped with it:
•
•
•
•
•
One switch unit
One AC power cord
One RS232 console cable
19-inch rack mount kit
CD for installation guide, software modules, MIB file and software
operation manuals
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2.2 Panels
The following figure illustrates the major components on front and rear
panels:
10/100 Port 1-12 10BASE-T/100BASE-TX Port #1 - #12
10/100 Port 13-24 10BASE-T/100BASE-TX Port #13 - #24
Gigabit Slot1
Gigabit Slot #1 for 1000BASE-FX module series
Gigabit Slot #2 for 1000BASE-FX module series
LED display for power and all port status
Switch to turn on or off the power to the unit
Plug-in socket for AC power cord
Gigabit Slot2
LED indicators
AC power switch
AC power socket
Console port
Connector for local console connection
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2.3 Mounting the Switches
Desktop Mounting
The switches can be placed on a desktop as a stand-alone unit. Allow
enough ventilation space between the switch and the objects around it.
Desktop Mounting
Rack Mounting
For mounting the switch into a 19-inch rack, a pair of mounting brackets
is included in the pack.
Install Rack Mount Brackets
Install the switch into a 19-inch rack as illustrated in the following figure:
Install the Switch into a 19-inch Rack
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3. Making Network Connections
3.1 Network Switched Ports
The following figure illustrates the switched ports provided on the front
panel. The switch comes with 24 10/100BASE-TX Fast Ethernet switched
ports and two Gigabit Ethernet slots for Gigabit Ethernet modules.
The following table lists the connectors provided on each network ports:
Port #
Port 1
Port 2
Standard
Connector type
MDI-X RJ-45
MDI-X RJ-45
MDI RJ-45
MDI-X RJ-45
Slot
Mark
1X
2X
10/100BASE-TX
10/100BASE-TX
10/100BASE-TX
10/100BASE-TX
2
Port 3-24
Gigabit slot1 1000BASE-FX
Gigabit slot2 1000BASE-FX
3X - 24X
GIGABIT1
GIGABIT2
Slot
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•
•
10/100BASE-TX Fast Ethernet Switched Ports
Each switched port supports one connection to a LAN segments. Each
segment is an independent shared network in one collision-domain.
The connection can be to either a 10BASE-T or a 100BASE-TX device.
MDI-X and MDI RJ-45 Connectors
MDI-X jack is labeled [X] normally to indicate the jack is designed
with internal crossover function. It allows a connection to an end
station using straight-through UTP cable. MDI RJ-45 connector is
provided for easy uplink via standard straight-through UTP to
other device that supports MDI-X RJ-45 connector. The following
table shows the pin assignments of MDI-X and MDI RJ-45
connector respectively:
PIN# MDI-X Jacks MDI Jack
1
2
3
6
Rx+
Rx-
Tx+
Tx-
Tx+
Tx-
Rx+
Rx-
NC
4,5,7,8
NC
•
Gigabit Ethernet Slots
Two Gigabit Ethernet slots are provided for Gigabit connections. Each
can accommodate one Gigabit Ethernet module. A variety of optional
modules is available for selection. Refer to section 3.3 for more infor-
mation.
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3.2 10/100BASE-TX Fast Ethernet Ports
The switch can support connections to the following devices:
•
•
•
•
•
10BASE-T or 10/100BASE-TX network cards
10BASE-T hub ports
100BASE-TX hub ports
10/100BASE-TX dual speed hub ports
10/100BASE-TX switch ports
Auto-negotiation Capable
The ports support auto-negotiation function when establishing a link
connection with any auto-negotiation capable device. The connection
speed and duplex mode are determined through the negotiation process
with the connected device.
Auto-speed-sensing
When connecting to a non-auto-negotiation device, half duplex mode is
used. However, the ports can auto-detect the connection speed.
Manual Configuration
The ports are configured to be enabled for auto-negotiation as factory
default. However, it also can be changed and stick to one of the follow-
ing configurations through network management operation:
•
•
•
•
10M Half-duplex
10M Full-duplex
100M Half-duplex
100M Full-duplex
Trunking Function
The ports are configured as normal data ports instead of trunking ports
as factory default. In order to support trunking function, any port can be
configured as a trunking port manually through network management
operation. As configured, it is no longer a data port. For more details
about trunking, refer to section 3.4.
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Flow Control
Half-duplex mode uses back pressure flow control to prevent the receiv-
ing buffer from being overrun by data from a source node. Full-duplex
mode uses the 802.3X flow control standard to prevent fast Physical
Ports data traffic from overrunning slow data traffic.
UTP Cable Connections
When making a connection to another device using straight-through
UTP cable, make sure MDI-X to MDI connection rule is followed. The
following figure illustrates the pin assignments of a straight-through
UTP and a crossover UTP cable:
Straight-through and Crossover UTP Cable
It is suggested to use straight-through UTP cables for all UTP connec-
tions. The maximum length and UTP cable categories used for the con-
nections to a 10BASE-T device and 100BASE-TX device are:
CONNECTED DEVICE UTP CABLE USED & MAXIMUM LENGTH
10BASE-T device
100BASE-TX device
Cat. 3, 4, 5 UTP (100 meters)
Cat. 5 UTP (100 meters)
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3.3 Gigabit Ethernet Slots
Each Gigabit Ethernet slot can accommodate one optional Gigabit Ether-
net module for your Gigabit connection. The following modules are avail-
able for selection:
Module
Wavelength Connector type Fiber cable
2240-SX
2240-SXJM
850nm
850nm
SC
MT-RJ
Multimode fiber
Multimode fiber
Module
2240-SX
2240-SX
2240-SXJM
2240-SXJM
Fiber cable used
50/125µm
Maximum length
500 meters
220 meters
500 meters
220 meters
62.5/125µm
50/125µm
62.5/125µm
Module Outline
The following figure illustrates two examples of Gigabit modules. Differ-
ent types of modules are mounted with different fiber connectors.
Gigabit Ethernet Modules (Top view)
Auto-negotiation function
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The Gigabit Ethernet module supports auto-negotiation although it
only operates on 1000M full-duplex mode. This function makes sure
the system operates with maximum performance when it is connected
to an auto-negotiation capable Gigabit Ethernet device.
Duplex Mode
Full duplex
Fiber cable
MM 50/125mm, 62.5/125mm recommended
Module Installation
1. Turn off the power to the switch unit.
2. Open the cover of Gigabit slot.
3. Insert the module into slot until it is seated properly.
4. Screw the module onto the chassis securely.
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3.4 Making Trunk Connections
Two switch units can be cascaded together through any regular switched
data port on each unit when a port expansion is required. However, the
transfer bandwidth between the two cascaded ports is limited to 200Mbps
full duplex. To increase the bandwidth for the connection between two
switch units, a trunking function is implemented on the switch unit for
this purpose. Normal data ports can be configured optionally as trunking
ports through the network management operation.
Two or more trunking ports composes one trunk. Two switch units can
be cascaded through one trunk. The aggregated bandwidth of one trunk
can be up to 1.6Gbps, if 8 trunking ports are used for one trunk.
Refer to the software operation manuals in the supplied CD-ROM for
more information about how to configure a data port as a trunking port.
The following figure illustrates an example of 4-port trunk connection
between switch A and switch B. The Port 3, 4, 5 and 6 of switch A are
configured as trunking ports and compose one trunk. The Port 5, 6, 7, and
8 of switch B are configured as trunking ports and compose one trunk.
The aggregated bandwidth of the trunk is 800Mbps.
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Rules :
1. One switch can be configured to have up to 4 trunks and each trunk
can be composed of up to 8 trunking ports. All port members of one
trunk must locate in same group, either in group [port 1-port 12] or in
group [port 13 - port 24].
2. One trunking port can only belong to one trunk.
3. Only one trunk can exist between two switch units.
4. Crossover UTP cables should be used at the same time for one trunk
connection. The length of each cable can be up to 100 meters.
5. When the switched data ports are enabled as trunking ports, they
can only serve trunking function, but no other data function.
6. Since the trunking is proprietary, the switches do not support trunk
connection to other brand’s switches.
The following figure illustrates a typical example of trunk connections
between more than two switch units. Each trunk is a 2-port trunk.
There are four trunks existing in this example. Each has 400Mbps band-
width. The top switch is configured to have four trunks and is cascaded
to four lower switch units.
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3.5 Virtual LAN (VLAN)
Each port of the switch unit connects to one individual LAN segment.
There can be many Ethernet nodes located on each segment. The switch
performs network data forwarding between different LAN segments. It al-
lows Ethernet nodes located on different segments to communicate with
each other. Basically, all Ethernet nodes are in one single LAN.
A Virtual LAN (VALN) is a logical, independent workgroup within a net-
work. The member in this workgroup communicate as if they are sharing
the same physical LAN segment. VLANs are not limited by the hardware
constraints that physically connect traditional LAN segments to a net-
work. As a result, VLANs can define a network into multiple logical
configurations.
Because VLANs are self-contained, only the devices within the same
VLAN can communicate with each other. If a device in one VLAN
wants to communicate with a device in another VLAN, the traffic must
go through a router. This would enhance the security of the network. In
addition, broadcasts from servers within each group would go to the
members of its own VLAN. This ensures that broadcasts cannot cause a
network meltdown due to traffic volume.
Implementation
The VLAN implementation of this switch allows up to 256 VLANs in one
switch. By using explicit or implicit VLAN tagging and the GARP/GVRP
protocol (IEEE 802.1p and 802.1Q), VLANs may span across multiple
switches. A MAC address can belong to multiple VLANs, and a switched
port may be associated with multiple VLANs.
Static Definitions of VLAN Membership
The switch defines VLAN membership based on ports. Port based VLANs
are organized by physical port numbers. The definitions are configured
through the supported network management console.
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Dynamic Learning of VLAN Membership
While port based VLAN only defines static binding between a VLAN
and its port members, the MAC address database associated with each
port number and VLAN is learned and built up dynamically by the switch
at run time.
Dynamic Learning of Remote VLAN
In addition to adding and deleting VLAN member ports through network
management console software statically, the switch also supports GVRP
(GARP VLAN Registration Protocol). GVRP allows for dynamic registra-
tion of VLAN port numbers within a switch and across multiple switches.
It is also used to communicate VLAN registration information to other
VLAN-aware switches, so that a VLAN member can be covered by a wide
range of switches in a network. GVRP allows both VLAN-aware worksta-
tions and switches to issue and revoke VLAN memberships. The switches
register and propagate VLAN membership to all ports belonging to the
active topology of the VLAN.
VLAN Configuration
The switch currently provides a Local/Remote Management Console
Interface for VLAN configuration and management. An SNMP-based
VLAN MIB is also provided. Combining the hardware and software func-
tions, the switch supports Intra-VLAN Communication and Inter-VLAN
Communication.
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4. LED Indicators
4.1 LED Panels
The switch provides comprehensive LED indicators for diagnosing and
monitoring the operation of the unit as illustrated below:
4.2 Interpretation
Power LED : indicates the status of the power supplied to the switch.
Link/Act. LED : indicates the port cable link and traffic activity.
Speed LED : indicates the connection speed used
Duplex/Col. LED : indicate the duplex mode used and collision status
The LED indicators labeled a port number on top are corresponding to a
specific 10/100BASE-TX port. The LED indicators labeled with G1 and
G2 are corresponding to the Gigabit slot 1 and slot 2 respectively.
The states and indications are:
LED
STATE
Off
On
On
Off
Blink
On
Off
INDICATION
Power
Power
Link/Act.
Link/Act.
Link/Act.
Speed
Speed
No power is supplied to the device.
Power is supplied to the device.
An active link is established.
No active link is established.
There are Tx or Rx activities.
100Mbps speed is used.
10Mbps speed is used.
Duplex/Col. On
Duplex/Col. Off
Duplex/Col. Blink
Full duplex mode is used.
Half duplex mode is used.
Collision occurrences
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5. Performing Network Management
5.1 Management Support
The switch is featured with management functions and can be managed
by using the following methods:
•
•
•
•
Direct console connection over an RS232 cable
Web browser software from Internet or Intranet over TCP/IP network
Telnet software over TCP/IP network
SNMP manager software over TCP/IP network
The following figure illustrates a management model diagram:
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5.2 Management objects
The following table lists the management objects supported by the system:
Login
Basic Management Activities
•
•
•
General Management Configuration
- system parameters
LAN Port Configuration
- speed, link type, duplex, flow control
Console Port Configuration
- console baud rate, flow control, modem control
Advanced Management Activities
•
Switching Database Configuration
VLAN Perspective
- edit VLAN configuration
- edit VLAN port membership and tagging settings
- VLAN activities
IP Multicast Group Perspective
MAC Address Perspective
- characteristics associated with a MAC address
Port Perspective
- per port VLAN activities
- per port statistics
•
IP Networking
IP and RIP Settings
ARP Table Settings
Routing Table
DHCP Gateway Settings
Ping Settings
•
•
•
•
•
Viewing IP Network Parameters
Bridging
Static Filtering
Spanning Tree Functions
SNMP Functions
- SNMP related configuration
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•
Other Protocols
- GVRP, IGMP
Port Trunking
•
•
•
Port Mirroring
File transfer
- software upgrade
Logout
Save settings
Restore default settings
Reboot
5.3 Setting IP Address
Before performing any management operation over network, the most
important thing is to learn the detailed information about the TCP/IP
network where the managed unit is located. The information includes the
network address, subnet mask, broadcast IP, IP of the default router. The
second thing is to assign an IP address to the managed unit when it is
received for the installation. A unique IP address is used to identify each
managed device from others. No factory default IP address is assigned.
Assign a unique IP address to the managed switch using direct console
management before performing any in-band management operation.
When you log on to the switch console port for the first time, a sign-on
string appears and you are prompted for a console login name and pass-
word. The factory default login name is admin and password is 123456.
If you desire, you can change this password after you log on.
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5.4 Console Management
Any PC running Windows 95/98/ or NT can be used as a console. Use
the supplied RS232 cable and connect the console port to the COM port
of your console PC. Use Windows Hyper Terminal program to perform
this out-of-band management operations.
Factory default settings of the Console port
Baud rate : 115200, N, 8, 1, 1
Flow control : disabled
Modem control : disabled
The console interface consists of a series of menu boxes. Each menu box
has several options, which are listed vertically. A highlight in each box
lets you select the option you wish to choose; pressing the Enter key
activates the highlighted option.
Navigating Through the Console Interface To
Move the highlight one line up in a menu box.
Move the highlight one line down in a menu box.
Move the highlight between screens.
Select the highlighted option.
Press This Key
K or Up arrow
J or Down arrow
Tab
Enter
Move to the previous menu.
Escape
Refer to the operation manual provided in the supplied CD-ROM for the
details.
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Use the supplied RS232 cable to make the console connection directly
from a PC COM port. The pin assignments of the connection are:
Switch DTE console port
9-pin PC COM port
Pin1 DCD -------------------------------- Pin1
2
3
4
5
6
7
8
9
RXD --------------------------------
TXD --------------------------------
DTR --------------------------------
GND --------------------------------
DSR --------------------------------
RTS --------------------------------
CTS --------------------------------
3
2
6
5
4
8
7
9
RI
--------------------------------
5.5 Web Management
Use any web browser with JAVA script support like Netscape Communi-
cator 4.x or Microsoft Internet Explorer 4.0 or later on any platform. Con-
nect to the managed unit using the IP address as URL address.
ht t p: / / xxx. xxx. xxx. xxx
5.6 Telnet Management
Use Telnet software to perform the management operation. The most
convenient solution is using the built-in Telnet function in a Windows
95/98/ or NT PC. Enter into DOS window and invoke telnet command :
>t e l ne t xxx. xxx. xxx. xxx
to connect to the managed switch. The specified xxx.xxx.xxx.xxx is the IP
address of the managed switch.
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5.7 SNMP and RMON Management
SNMP management and RMON activities are performed at a network
management station running SNMP network management application
manager software with graphical user interface.
The switch serves as an SNMP agent and provides RMON capabilities
that allows network administrators to set parameters and view statistical
counters defined in the MIB-II, Bridge MIB, private MIB and RMON
MIB.
The supported MIBs are available in the supplied CD-ROM of the switch.
Use the SNMP management application software to compile the MIB file
first before performing any management operation.
5.8 Software Upgrade
The device supports a Software Upgrade feature through TFTP protocol
and Kermit protocol. TFTP file transfer functions allow you to perform
software upgrade over network and Kermit file transfer functions allow
you to perform software upgrade via console port.
If you select File transfer command from the Advanced Management
screen, specify the following information for software upgrade opera-
tion:
File name : file name of the new software version
IP address : from where the software upgrade will be obtained. The ad-
dress consists of numbers separated by periods. For example: 129.32.0.11
After you finish the upgrade operation, reboot the switch using the
supported command within the console or telnet.
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Note: The TFTP protocol is used to download updated software to the
switch. A VLAN with the proper IP address and routing path to the TFTP
server must be configured for the switch to access the specified TFTP
server. TFTP is an embedded function supported in the DOS window of
any Windows NT system.
Contact your dealer for any new available software version.
5.9 Support
This guide covers the basic information about the management func-
tions supported by the managed switch. The detailed operation guides
for all management functions are available in the software operation
manual in the supplied CD-ROM. However, more features may be in-
cluded into future new software upgrade. Contact the dealer where you
purchased the switch for the availability of new software and/or techni-
cal support.
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