Managed 8 & 9 Port Switches
MIL-SM801P
Eight 10/100BASE-TX Ethernet ports
Plus One 100BASE-FX port
MIL-SM801G
Eight 10/100BASE-TX Ethernet ports
Plus One 1000BASE-SX port
MIL-SM800P
Eight 10/100BASE-TX Ethernet ports
USER GUIDE
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Table of Contents
Web-based Management
SNMP Network Management
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1.
Introduction
The MIL-SM801P, MIL-SM801G and MIL-SM800P managed series of
compact desktop switches are ideal solutions for network users. They
provide wire-speed, Fast Ethernet switching providing high-
performance data transfer. The switches feature a store-and-forward
architecture with auto-learning of source addresses with an 8K-entry
MAC address table.
Figure 1-1. The MIL-SM801P switch
The switches provide 8 switched auto-sensing 10/100 Mbps RJ-45
Ethernet ports. The MIL-SM801P provides one additional 100BASE-FX
fiber port and the MIL-SM801G provides one additional 1000BASE-SX
Gigabit Ethernet port. The switch automatically detects the speed of
the device attached allowing use of both 10 and 100Mbps devices. In
addition, each RJ-45 port supports Auto MDI/MDIX.
There are 4 types of fiber connectors available on the MIL-SM801P
switch. These fiber connectors include SC, MT-RJ, and VF-45 in multi-
mode and SC in single-mode. The fiber port can be used to connect to
remote sites up to 220 meters using multi-mode or 15 kilometers with
SC single-mode.
With built-in Web-based Management, managing and configuring the
switch is simplified. The Web Browser may be used to configure and
manage the network, from cabinet level management to port level
control and monitoring. Use of a mouse replaces typing of command
strings. The switch can also be managed via Telnet, Console, or
SNMP Management.
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Features
„ Conforms to IEEE 802.3, 802.3u, and 802.3x Ethernet
Standards
„ Eight auto-sensing 10/100Mbps Ethernet RJ-45 ports
„ Automatic MDI/MDIX crossover for each 10BASE-T/
100BASE-TX port
„ One Fixed 100Mbps Fiber port SC/SC single-mode, MT-RJ,
VF-45 connector for MIL-SM801P series only
„ One Fixed 1000Mbps Gigabit Ethernet port for MIL-SM801G
series only
„ One Console port on the rear for switch software configuration
„ Half-duplex mode for back pressure and flow control for full-
duplex
„ Store-and-forward switching architecture
„ Automatic address learning
„ Static MAC table for a secured network
„ 8K-entry MAC address table
„ 2Mbit memory buffer sharing
„ Non-blocking full wire speed performance
„ LED-indicators for Power, 100M, LK/ACT, FD/COL
„ 10-inch design for desktop or rackmount
Intelligent Management Features
„ Web-based management
„ SNMP network management
„ Console and Telnet management
„ IEEE 802.1Q VLAN Tag, up to 4094 VLAN groups
„ IEEE 802.1ad Port Trunking and IEEE 802.3 ad LACP
supported
„ IEEE 802.1d Spanning Tree
„ MIB II ( RFC1213 ) supported
„ IP Multi-cast, IGMP Snooping
„ Quality of Service (QoS)
„ Port Mirroring
„ Broadcast Filtering
„ Static MAC Address support
„ Port Security
„ GVRP
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Package Contents
Unpack the contents of the package and verify them against the
checklist below.
„ MIL-SM801P, MIL-SM801G or MIL-SM800P switch
„ Power Cord
„ Four Rubber Feet
„ RS-232 console cable
„ User Guide
„ Warranty Card
If any item is missing or damaged, please contact your local dealer for
service.
Management Methods
The MIL-SM801P, MIL-SM801G and MIL-SM800P switch series
support the following management methods:
„ Console and Telnet Management
„ Web-based Management
„ SNMP Network Management
Console and Telnet Management
Console Management is done through the RS-232 Console Port.
Managing the switch in this method requires a direct connection
between PC and the switch. Telnet management requires a network
connection. The default IP address is 192.168.1.77 with a subnet mask
of 255.255.255.0. This default address can be used to login and
change the configuration using Telnet.
Web-based Management
The switch provides an embedded HTML web server residing in flash
memory. It offers advanced management features and allows users to
manage the switch from anywhere on the network through a standard
browser such as Microsoft Internet Explorer or Netscape.
SNMP Network Management
SNMP (Simple Network Management Protocol) provides a means to
monitor and control network device, and to manage configurations,
statistic collection, performance, and security.
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2.
Hardware Description
Front Panel
RJ-45 Ports (Auto MDI/MDIX): Eight 10/100 auto-sensing for 10BASE-T or
100BASE-TX connections.
Figure 2-1. Front Panel for MIL-SM800P
100BASE-FX Fiber Port: There are 4 types of fiber connectors available for
the MIL-SM801P. The distance for multi-mode fiber cabling can be up to 2
kilometers. However, the distance for SC single-mode fiber port is 60
kilometers.
Figure 2-2. Front Panel for MIL-SM801P
1000BASE-SX Gigabit Ethernet Port: There is one 1000Mbps Gigabit
Ethernet port available for the MIL-SM801G.
Figure 2-3. Front Panel for MIL-SM801G
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LED Indicators
Figure 2-4. LED Indicators
There are three LED-Indicators (100M, LNK/ACT, FDX/COL) for each
RJ-45 port. The following table provides descriptions of the LED
statuses and meaning. They provide a real-time indication of systems
operation status.
LED Status Color
Description
Power
On
On
Green Power On
The port is operating at the speed of
100Mbps.
Green
100M
The port is operating at the speed of
10Mbps.
Off
On
The port is successfully connecting with
a device.
Green
LNK /
ACT
The port is receiving or transmitting
data.
Blinks Green
Off
No device attached.
The port is operating in full-duplex
mode.
On Orange
FDX /
COL
Collision of Packets is occurring on the
port.
Half-duplex mode or no device
attached.
Blinks Orange
Off
Table 2-1. The description of LED Indicators
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Rear Panel
The Console port and 3-pronged power plug are located at the Rear
Panel of the MIL-SM801P, MIL-SM801G and MIL-SM800P switches as
shown in Figure 2-5. The switches will work with AC in the range 100-
240V AC, 50-60Hz.
Figure 2-5. The Rear Panel of the switch
Console Port: Console management can be done through the Console
Port. It requires a direct connection between the switch and an end
station (PC) via a RS-232 cable.
Desktop Installation
Set the switch on a sufficiently large flat space with a power outlet
nearby. The surface where you put your switch should be clean,
smooth, level, and sturdy. Provide enough clearance around the
switch to allow attachment of cables, power cord and air circulation.
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Attaching Rubber Feet
A. Make sure the mounting surface on the bottom of the switch is
grease and dust free.
B. Remove adhesive backing from the rubber feet.
C. Apply the rubber feet to each corner on the bottom of the switch.
These footpads can protect the switch from shock and vibration.
Figure 2-6. Attaching Rubber Feet to each corner on the bottom of the
switch
Power On
Connect the power cord to the power socket on the rear panel of the
switch. Connect the other end of the cord to an appropriate power
outlet. Check the power indicator on the front panel to see if power is
properly supplied. The internal power supply works with AC in the
voltage range 100-240VAC, frequency 50~60Hz. Country specific
power cords are available for the unit.
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3.
Network Application
Desktop Application
The switch can be used as a standalone switch connecting personal
computers, servers, or print servers directly connecting to form small
workgroups.
Figure 3-1. Desktop Application
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Segment Application
For enterprise networks where large data broadcasts are constantly
processed, this switch is suitable for individual department users to
connect to the corporate backbone.
Figure 3-2. Fiber port on MIL-SM801P switch extends the distance
between workgroups
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4.
Network Configuration
Connecting a Terminal or PC to the Console Port
Console management involves the administration of the switch via a
direct connection to the RS-232 console port. This port is a female DB-
9 connector. From the main menu of the console program, the user has
access to manage the functions of the switch.
Figure 4-1. Connecting the switch to a terminal via RS-232 cable
Use the supplied RS-232 cable to connect a terminal or PC to the
console port. The terminal or PC to be connected must support the
terminal emulation program.
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After the connection between switch and PC is finished, turn on the PC
and run a terminal emulation program or HyperTerminal to match
the following default characteristics of the console port:
Baud Rate: 9600 bps
Data Bits: 8
Parity: none
Stop Bit: 1
Control flow: None
Figure 4-2. The settings of communication parameters
After you have finished parameter settings, press the “Enter" Key and
the Main Menu of console management appears.
Console – Menu
1. The switch also provides a serial interface to manage and monitor the
switch. The user can follow the Console Port Information provided by the
web to use the Windows HyperTerminal program to link the switch.
2. Type the user name and password to login. The default user name is
"root”; the default password is “root”.
3. The timeout on the console port is 60 seconds. If no action is taken on
the console screen for one minute, the program reverts back to the
logon screen and a new login is necessary in order to continue.
4. The switch is shipped with a default IP address of 192.168.1.77. The
default subnet mask is 255.255.255.0.
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4-1 Main Menu
There are five items for selection as follows:
Status and Counters: Shows the status of the switch.
Switch Static Configuration: Menus to configure the switch.
Protocol Related Configuration: Configures protocol features.
Reboot switch: Restarts the system or resets switch to default
configuration.
Logout: Exits the menu line program.
<Control Keys>
The control keys listed below are provided in all menus:
Tab: Moves the cursor to next item.
Backspace: Moves the cursor to previous item.
Enter: Selects item.
Space: Toggles selected item to next option.
Edit: Configures all items. When finished, pressing ESC returns to the
action menu line.
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4-2. Status and Counters
Press the Tab or Backspace key to choose action menu, and then press
Enter key to select item.
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4-2-1. Port Status
Type: Displays the port type of either 10/100TX or Fiber
Enabled: A port that is enabled will be displayed as “Yes”. A port that is
disabled will be displayed as “No”.
Status: Displays the port’s link. “Down” the port has no link, and “Up” the
port has a link with the remote device.
Mode: Displays the port speed and duplex mode.
FlowCtrl: Displays the flow control for the port as being either on or off.
Actions->
Press the Tab or Backspace key to choose action menu, and then press
the Enter key to select item.
<Quit>: Exits port status page and returns to previous menu.
<Previous Page>: Displays previous page.
<Next page>: Displays next page.
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4-2-2. Port Counters
The following information provides a view of the current data packet
information of the unit. The screen is not automatically updated. To see
updated statistics, exit the menu and re-enter.
Actions->
Press the Tab or Backspace key to choose action menu, and then press
Enter key to select item
<Quit>: Exits the page of port status and returns to previous menu.
<Reset All>: Sets all counters to 0.
4-2-3. System Information
System Description: Displays the name of device type.
MAC Address: The unique hardware address.
Firmware Version: Displays the switch’s firmware version.
Hardware Version: Displays the switch’s hardware version.
Default config value version: Rebooting the switch to defaults will load
the version of software that is originally shipped with the switch.
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4-3. Switch Static Configuration
Press the Tab or Backspace key to choose action menu, and then press
the Enter key to select item
4-3-1. Administration Configuration
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4-3-1-1. Device Information
Device Name: 10 characters can be used to give the switch a unique name
in order to distinguish it on the network. After configuration this name will
show at the top of each menu screen.
Device Content: 32 characters can be used to describe devices attached.
Device Location: 32 characters can be used to give a location of the
switch.
Device Description: 32 characters can be used to describe the switch.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits the page of device information and returns to previous menu.
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4-3-1-2. IP Configuration
This menu enables the user to change the default settings of the IP
address, subnet mask and gateway. Rebooting the switch is necessary to
have the configuration change take affect.
Note: Always reboot the switch after finishing a new configuration.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits the page of IP configuration and returns to previous menu.
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4-3-1-3. Change Username
Use this page to change the User Name.
4-3-1-4. Change Password
Use this screen to change the user management password.
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4-3-2. Port / Trunk Configuration
The menu provides per port configuration for speed and duplex as well as
port trunking. Use the Space key to select the option preferred for each
item.
1. Enabled: User can disable or enable the port.
2. Auto Negotiate: User can set auto-negotiation to be enabled or
disabled. The default is that auto-negotiation is enabled.
3. Speed/Duplex Config: User can set the port speed to be 100Mbps or
10Mbps on ports 1 through 8. The port 9 fiber port is fixed at 100Mbps
for the MIL-SM801P model series. The port 9 fiber port for the MIL-
SM801G models is fixed at 1000Mbps. All ports can be set for full-duplex
or half-duplex mode.
4. Flow Control: User can set the flow control function to be on or off. The
default is that flow control is enabled.
5. Group: User can set trunk groups for port 1 through port 8. There are
four possible trunk groups.
Actions->
<Quit>: Exits the page of port configuration and return to the previous
menu.
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Previous Page>: Returns to previous page.
<Next page>: Goes to next page to configure.
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4-3-3. Port Mirroring Configuration
Port mirroring is a method for monitoring traffic in switched networks. Traffic
through ports can be monitored by one specific port. The traffic being
received or transmitted by the monitored ports will be duplicated into the
monitoring port.
Press the Space key to change the configuration of an item.
1. Analysis State: Select YES or NO to enable the port-mirroring function.
2. Mirroring Port: The port to which all traffic to be mirrored will be sent.
3. Source Port: The port(s) you want to monitor. All monitored port traffic
will be copied to the monitoring port. You can select a maximum of 8
ports to monitor in the switch. User can choose to monitor RX frames
only or TX frames only or both RX and TX frames at the Action
command line.
Actions->
<Quit>: Exits the page of port monitoring configuration and returns to the
previous menu.
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Previous Page>: Returns to the previous page.
<Next page>: Goes to the next page to configure.
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4-3-4. VLAN Configuration
All ports are automatically placed in VLAN 1, the default VLAN. To create
new VLANs, use the Create a VLAN Group menu and add a VLAN. Make
sure when you enter a VLAN name you do not leave spaces. For example
VLAN2 is correct; VLAN 2 will give an error. The VLAN name can be any 15
alphanumeric characters. Special characters are not allowed.
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4-3-4-1. VLAN Configuration
Choose a VLAN
In the VLAN Configure menu select the type of VLAN you want to configure: No
VLAN (default), Port Based, 802.1Q, or 802.1Q with GVRP. Save the
configuration. There are 4 different options for VLANs to choose from using
the space bar: Disabled, Port Based, 802.1Q and 802.1Q with GVRP.
Port Based VLANs
These VLANs only apply to this switch. The VLANs can be overlapping, meaning
that any port can belong to more than one VLAN. One configuration that is
common for port based VLANs is to have all the ports on the switch on separate
VLANs except for the port that has the server connected. The port connected to
the server belongs to all the VLANs. This enables security between ports but
allows all ports access to the server. Up to 256 different port based VLANs may
be configured.
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Port Based VLANs
To configure a new VLAN, select Edit and then use the tab key to select items you
want to configure. The space bar allows you to select the different options. In the
following configuration, ports 6, 7, and 8 are trunked.
After adding a VLAN group, the configuration option Edit a VLAN Group will allow
you to change the membership by adding or deleting ports.
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IEEE802.1Q VLANs
If IEEE802.1Q VLANs is selected, all the ports will belong to the default
VLAN 1.
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If more than one VLAN is necessary, the additional VLANs may be created.
PVID (Port VID): Set the port VLAN ID that will be assigned to untagged
traffic on a given port. This feature is useful for accommodating devices that
you want to participate in the VLAN, but don’t support tagging. Only one
untagged VLAN is allowed per port. Other VLANs need to be tagged.
Ingress Filter 1: If this is set, the port will only forward packets with VID
(VLAN ID) matching this port’s configured VID. Press the Space key to
choose forward or drop the frame with the VID not matching this port’s
configured VID.
Ingress Filter 2: Drop untagged frame. Press the Space key to choose
drop or forward the untagged frame.
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4-3-4-2. Create a VLAN Group
To create a VLAN and add tagged /untagged member ports to it:
1. VLAN Name: Type a name for the new VLAN using 15 alphanumeric
characters and no spaces.
2. VLAN ID: Type a VID (between 2~4094). The default is 1.
3. Protocol VLAN: Press the Space key to choose protocol type. When
set, this acts as a packet filter on the port by restricting packets on the
port of only the selected protocol type.
4. Member: Press the Space key to choose VLAN membership. There are
three selections:
UnTagged: the member port is an untagged port.
Tagged: the member port is a tagged port.
No: The port is not a member of this VLAN group.
5. Save the configuration.
Actions->
<Quit>: Exits this page and returns to previous menu.
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Previous Page>: Return to previous page.
<Next page>: Go to next page to configure.
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4-3-4-3. Edit / Delete a VLAN Group
Use this menu to edit or delete a VLAN group.
Choose <Edit> or <Delete>. Choose the VLAN to delete or edit by using
the TAB key. VLAN 1, the default VLAN, can never be deleted. All other
VLANs can be deleted using this menu.
When editing the chosen VLAN, the user can change the protocol VLAN or
a member port. A new protocol can be configured and the ports can be
changed to tagged or untagged or deleted as member ports from this
VLAN. In edit mode the VLAN Name and VLAN ID are read-only and
cannot be modified. After editing or deleting a VLAN, press the <Save> key
to save all configured values.
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4-3-5. Priority Configuration
1.There are eight (0~7) priority levels that can be mapped as high or low
priority queues.
2.High/Low Queue Service Ratio (High:Low) : User can select the ratio
of high priority packets to low priority packets.
Actions->
<Edit>: Configures all items. When finished press ESC to return to the
action menu.
<Save>: Saves all configuration values.
<Quit>: Exits this page and returns to the previous menu.
First In First Out: The sequence of packets sent depends upon the arrival
order.
High - Low: The high priority packets are sent before the low priority
packets.
Ratio: Select the preference given to packets in the switch's high-priority
queue. These options represent the number of high priority packets sent
before one low priority packet is sent. For example, 2 High : 1 Low means
that the switch sends 2 high priority packets before sending 1 low priority
packet.
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4-3-6.MAC Address Configuration
4-3-6-1.Static MAC Address
When you add a static MAC address, it remains in the switch's address
table regardless of whether or not the device is physically connected to the
switch. This saves the switch from having to re-learn a device's MAC
address when the device is disconnected or powered off and then becomes
active again.
The menu shows the current configured static MAC addresses. The user
can add, modify or delete a static MAC address. Once added, the MAC
address will be listed on this page.
Add static MAC address
1. Press the <Add> key. Then press the <Edit> key on this menu to add a
static MAC address.
2. Enter the MAC address to and from which the port should permanently
forward traffic.
11. In the Port Num field, enter the port number for the device.
12. The VLAN ID field is not available if the switch is configured for port
based VLANs. If tag-based (802.1Q) VLANs are configured, the static
addresses are associated with individual VLANs. The user must add the
VID to be associated with the MAC address.
4. Press ESC to go back to the action menu line, and then select <Save>
to save all configured values.
Note: If you change VLAN types from IEEE to port based, all your static
MAC addresses will be deleted.
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Edit static MAC address
1. Press the <Edit> key to modify a static MAC address.
2. Use the tab key to choose the MAC address that you want to modify and
then press enter.
3. Press the <Edit> key to modify all the items.
4. Press ESC to go back to the action menu line, and then select <Save>
to save all configured values.
Delete static MAC address
1. Press the <Delete> key to delete a static MAC address.
2. Choose the MAC address that you want to delete and then press enter.
3. After deleting a static MAC address, you must <Save> to complete the
deletion.
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4-3-7.Misc. Configuration
4-3-7-1.Port Security
A port set in security mode will be “locked” and be without address learning.
Only the incoming packets with the source MAC address already existing in
the address table can be forwarded. With port security, users can disable a
port from learning new MAC addresses. The user may then return to the
static MAC addresses menu to define a list of MAC addresses that can
access the secured port.
1. Press <Edit> to enable or disable the port security.
2. Press the Space key to choose enable or disable.
3. Press ESC to return to the action menu line, and then select <Save> to
save all configured values.
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4-3-7-2.MAC Age Interval
To configure a different MAC Age Interval, type the number of seconds that
an inactive MAC address remains in the switch’s address table before it is
deleted. Once the address is removed from the table, a device will have to
send out broadcast packets to be relearned by the switch and have its
address put in the table. The valid range is 300 to 765 seconds. Default is
300 seconds or 5 minutes.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to the previous menu.
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4-3-7-3.Broadcast Storm Filtering
Broadcast storm filtering is used to limit the amount of broadcast traffic on
the network. An excessive amount of broadcast traffic can inhibit data
packets from timely delivery.
The valid threshold values are 5%, 10%, 15%, 20%, 25% and NO. If the
broadcast traffic is greater than the configured value, broadcast packets will
be dropped. The default is NO. The default is set so that no broadcast
packets are ever dropped no matter how many broadcast packets there are
on the network.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this menu and returns to the previous menu.
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4-3-7-4.Max Bridge Transmit Delay Bound
Max bridge transmit delay bound: Limits the packets queuing time in the
switch. If enabled, the packets exceeding the queuing time will be dropped.
Press the Space key to set the time. The valid values are 1sec, 2sec, 4sec
and Off. Default is OFF. This setting does not depend on what values are
set in the “Priority Configuration” menu.
Enable Delay Bound: If this parameter is enabled, the “Max bridge
transmit delay bound” must also be configured. This item allows you to limit
the queuing time of low priority packets in the switch. When the low priority
packets exceed the “Max Delay Time” they will be transmitted. Press the
Space key to enable or disable this function. By default the Enable Delay
Bound is set OFF.
Max Delay Time: Sets the time that low priority packets are queued in the
switch. The valid range is 1~255 ms. Since the default is OFF, the Max
Delay Time is 0. This item must be set if “Enable Delay Bound” is
configured.
NOTE: “Max bridge transit delay bound control” must be enabled before
Max Delay Bound is enabled.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to the previous menu.
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4-4.Protocol Related Configuration
4-4-1.STP
4-4-1-1.STP Enable
This page enables or disables the Spanning Tree function. Press the Space
key to select Enabled or Disabled.
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4-4-1-2.System Configuration
The data on the left is for display only. The parameters on the right can be
configured with new values.
Priority: The value used to identify the root bridge. The bridge with the
lowest value has the highest priority and is selected as the root. Enter a
number 1 through 65535.
Max Age value is the number of seconds a bridge waits without receiving
Spanning-Tree Protocol configuration messages before attempting a
reconfiguration. Enter a number 6 through 40.
Hello Time value is the number of seconds between the transmission of
Spanning-Tree Protocol configuration messages. Enter a number 1 through
10.
Forward Delay Time is the number of seconds a port waits before
changing from its Spanning-Tree Protocol learning and listening states to
the forwarding state. Enter a number 4 through 30.
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4-4-1-3.STP Port Configuration
1. PortState: Port spanning tree status.
2. PathCost: Specifies the path cost of the port that the switch uses to
determine which ports are the forwarding ports. If you change the value,
you need to restart the switch for the value change to take effect.
3. Priority: Specifies the path cost of the port that the switch uses to
determine which ports are the forwarding ports. The lowest number is
picked as the forwarding port. The range is 1-65535 and the default
value is based on IEEE802.1D standard. The values should be in the
range: 10Mb/s = 50-600
100Mb/s = 10-60.
If you change the value, you must reboot the switch to save the value
change.
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4-4-2.SNMP
Any Network Management station running the Simple Network
Management Protocol (SNMP) can manage the switch provided that the
Management Information Base (MIB) is installed. SNMP is a protocol that
governs the transfer of information between management and agent. The
switch supports SNMP V1.
Use this menu to define management stations as trap managers and to
enter SNMP community strings. Users can also define a name, location,
and contact person for the switch.
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4-4-2-1.System Options
Press <Edit> to enter all items and then press <Save> to save the
configured values.
1. System Name: Enter a name to be used to identify the switch.
2. System Contact: Enter the name of the contact person or organization.
3. System Location: Enter the location of the switch.
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4-4-2-2.Community Strings
Community strings serve as passwords and can be entered as one of the
following:
1. Read only: Enables requests accompanied by this string to display MIB-
object information.
2. Read Write: Enables requests accompanied by this string to display
MIB-object information and to set MIB objects.
Actions->
<Add>: Create a community strings.
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Delete>: Deletes a community string. After delete, press <Save> to
complete the deletion.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to the previous menu.
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4-4-2-3.Trap Managers
A trap manager is a management station that receives traps. System alerts
are generated by the switch. If no trap manager is defined, no traps are
issued. Create a trap manager by entering the IP address of the station and
a community name.
Actions->
<Add>: Creates a trap manager.
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Delete>: Deletes a trap manager. After deleting the trap, press <Save> to
complete the deletion.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to the previous menu.
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4-4-3.GVRP
Use the GVRP Configuration screen to enable or disable GVRP (GARP
VLAN Registration Protocol) support.
Press the Space key to choose Enabled or Disabled.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to the previous menu.
4-4-4.LACP
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4-4-4-1.Aggregator Setting
1. Group: Displays the trunk group ID.
NOTE: Before setting LACP support, you must first set the trunk group
using the Port / Trunk Configuration screen.
2. LACP: Press the Space key to enable or disable the LACP (Link
Aggregation Control Protocol) support. If enabled, the group is an LACP
static trunking group. If disabled, the group is a local static trunking
group.
3. LACP Work Port Num: The maximum number of ports that can be
aggregated at the same time. If the group is an LACP static trunking
group, the exceed ports are in standby mode and able to aggregate if
the work ports fail. If the group is a local static trunking group, the
number must be the same as group ports.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to the previous menu.
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4-4-4-2.State Activity
Active: The port automatically sends LACP protocol packets.
Passive: The port does not automatically send LACP protocol packets and
responds only if it receives LACP protocol packets from the opposite
device.
Actions->
<Edit>: Configures all items. When finished, pressing ESC returns to the
action menu line.
<Save>: Saves all configured values.
<Quit>: Exits this page and returns to the previous menu.
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4-4-4-3.LACP Status
When setting a trunking group, the relationship status information may be
seen on the LACP Group Status screen.
Actions->
<Quit>: Exits this page and returns to the previous menu.
<Previous Page>: Returns to previous page to view.
<Next page>: Go to next page to view.
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4-5.Switch Reboot
Default: Resets the switch to the factory defaults. The software version that
the switch will be reset to can be found on the “System Information” menu
under the main menu “Status and Counters”.
Restart: Reboots the switch to enable items that have been configured.
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4-6. Xmodem Upgrade
1. First, modify the baud rate of the terminal to 57600bps. Then connect to
the switch.
2. Press the X key to start upgrading for Xmodem.
3. Select “send file" under the "transfer" menu from menu bar.
4. Press the "browse" button to select the path.
5. Select the "1K Xmodem" of protocol and press the "Send" button.
6. After successfully upgrading to the new firmware, change the baud rate
back to the default 9600bps.
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5.
Web-Based Management
This section introduces the configuration and functions of the web-based
management of MIL-SM801P, MIL-SM801G and MIL-SM800P switch
series. The managed switch series provides an embedded HTML website
residing in flash memory. This feature allows users to manage the switch
from anywhere on the network through a standard web browser.
NOTE: The web management function will have unexpected displays using
Win2000 with Service Pack2 when the IE is below version 5.5.
Web Management
Web Management enables a web browser to manage and monitor the
switch. The default TCP/IP values are listed below. Use the console port if
you need to change the IP address in order to use the web browser.
IP Address:
Subnet Mask:
192.168.1.77
255.255.255.0
Default Gateway:192.168.1.6
User Name:
Password:
root
root
user name and password as shown above.
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5-1. Web Management Home Overview
1. Home Page.
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5-2. Port Status
1. Port status
State: Displays port status as off or on depending on user setting. “Unlink”
means the port is offline or “off ”.
Link Status: Down is “No Link”, Up is “Link”.
Auto Negotiation: Indicates if the port is in auto negotiation mode.
Speed status: Displays 100Mbps or 10Mbps speed. Ports 1 - 8 are
10/100Mbps. Port 9 may be 100Mbps or 1000Mbps.
Duplex status: Displays full-duplex or half-duplex mode.
Flow control: Displays flow control status as enabled or disabled.
Config: Displays the state of user settings.
Actual: Displays the negotiation status.
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5-3. Port Statistics
The following information provides a view of the current status of the unit.
A single port counter as follows:
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5-4.Administrator
The management functions include IP address, switch settings, console
port information, port controls, link aggregation, filter database, VLAN
configuration, spanning tree, port mirroring, SNMP, security manager, TFTP
update firmware, configuration backup, system reset, and reboot.
5-4-1. IP Address
The IP Settings can be changed by filling in new values and clicking on the
apply button. The switch must be reset for the new IP address to take
effect. Default IP address is 192.168.1.77.
5-4-2. Switch Settings
5-4-2-1.Basic
1. Description: Displays the name of device type.
2. MAC Address: Displays unique hardware address assigned by the
manufacturer.
3. Firmware Version: Displays the switch’s downloaded firmware version.
4. Hardware Version: Displays the switch’s hardware version.
5. Default config value version: Rebooting the switch to defaults will load
this version of software, which is the version originally shipped with the
switch.
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5-4-2-2.Advanced
1. Miscellaneous Settings:
MAC Address Age-out Time: Type the number of seconds that an inactive
MAC address remains in the switch's address table. The valid range is
300~765 seconds. Default is 300 seconds.
Max bridge transit delay bound control: Limits the packets queuing time
in the switch. If enabled, the packets that exceed the time limit in the queue
will be dropped. The valid values are 1 sec, 2 sec, 4 sec and off (no limit).
Default is 1 second.
Broadcast Storm Filter: The threshold is the percentage of the port's total
bandwidth used by broadcast traffic. When the threshold is reached,
broadcast traffic is dropped. To configure broadcast storm control, first
enable it and then set the upper threshold for each individual port. When
broadcast traffic for a port rises above the threshold set, broadcast storm
control becomes active. The valid threshold value are 5%, 10%, 15%, 20%,
25% and off.
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2. Priority Queue Service settings:
First Come First Service: The sequence of packets sent is dependent on
the order of arrival. The first packets in the queue are transmitted before
any other packets.
All High before Low: The high priority packets are sent before the low
priority packets.
Weighted Round Robin: This option enables the user to choose a ratio of
the number of high priority packets sent before one low priority packet is
sent. For example, 2:1 (2 High : 1 Low) will have the switch send 2 high
priority packets before sending 1 low priority packet.
Enable Delay Bound: Limits the low priority packets queuing time in the
switch. Default Max Delay Time is 255ms. If the low priority packet exceeds
the Max Delay Time, it will be sent. The valid range is 1~255 ms.
NOTE: Make sure the “Max bridge transit delay bound control” is enabled
before enabling Delay Bound. The Enable Delay Bound only works under
“Max bridge transit delay bound control is enabled”.
QoS Policy: High Priority Levels: 0~7 priority level can map to a high or
low queue. When the VLAN Tag number of a frame is mapped as a high
priority level, the frame always has a high priority. In this example, the QoS
policy applies to the switch, not for a single port.
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3. Protocol Enable Setting:
Enable Spanning Tree Protocol: Enables STP. The recommended default
is enabled.
Enable Internet Group Multicast Protocol: Enables IGMP protocol.
IGMP Query Mode: Recognizes different queries from clients or servers to
decide which Query will be the first priority. The three modes are:
1. Auto Mode: Chooses the switch that has the smallest IP address to be
set for the IGMP Query mode.
2. Enable Mode: Enables the switch to be the IGMP Queryer.
3. Disable Mode: Disables all other switches from being the IGMP
Queryer.
4. VLAN Operation Mode:
No VLAN
802.1Q(Tag VLAN) without GVRP VLAN mode
802.1Q(Tag VLAN) with GVRP VLAN mode (Default)
Port Based
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4. IGMP Theory of Operation
The following three topologies detail how IGMP Query works and to be
configured within a network:
1. Auto mode needs to be enabled when the router’s IP address is smaller
than other switches in the subnet.
2. IGMP needs to be enabled when the router’s IP address is not smaller
than other switches in the subnet. This Router supports IGMP protocol, but
IGMP has to be enabled, and the Router has to be the Queryer.
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3. The following topology must be set when the IP address of the switch is
not the smallest in the subnet. The network will cause a multi-cast storm
from the IGMP client report if it is in Auto mode. All switches must be in
disable mode when the VOD server is configured for IGMP Queryer.
Note: It is suggested that the VOD server switch have the smallest IP
address.
All of the switches must be in disable mode when the VOD server is
configured for IGMP Queryer.
GVRP (GARP VLAN Registration Protocol)
GVRP allows automatic VLAN configuration between the switch and nodes.
A GVRP request can be sent using the VID of a VLAN defined on the switch
when the switch is connected to a device with GVRP enabled. The switch
will automatically add that device to the existing VLAN.
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5-4-3. Console Port Information
The Windows HyperTerminal program can be used to link the switch with
the console port. In order to change any of these parameters, you must be
connected to the console port.
Bits per seconds: 9600
Data bits: 8
Parity: none
Stop Bits: 1
Flow control: none
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5-4-4. Port Controls
The menu allows changing of port configurations.
State: User can disable or enable this port. If disabled, there is no network
communication through this port.
Auto Negotiation: User can set port duplex and port speed to use auto
negotiation.
Speed setting: User can set 100Mbps or 10Mbps speed (Port1~Port8)
Duplex setting: User can set port to use full-duplex or half-duplex.
Flow control setting: User can set flow control function to be enabled or
disabled.
5-4-5. Trunking
Trunking provides a standardized means for exchanging information
between Partner Systems on a link to allow their Link Aggregation Control
instances to reach agreement on the identity of the Link Aggregation Group
to which the link belongs, move the link to that Link Aggregation
Group, and enable its transmission and reception functions in an orderly
manner. Link aggregation allows grouping of up to eight consecutive ports
into a single dedicated connection. This feature can expand bandwidth to a
device on the network. LACP operation requires full-duplex mode. For
more detailed information refer to IEEE 802.3ad.
If there are two trunk groups A and B, and B group is enabled LACP, then it
will act as a redundant link (Backup group for Trunk group A). If trunk group
A fails, Group B will be it's backup.
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5-4-5-1. Aggregator Setting
System Priority: A value used to identify the active LACP. The switch with
the lowest value has the highest priority and is selected as the active LACP.
1. Group ID: To create a trunk across two or more ports, choose the
"Group ID" and click "Get".
2. LACP: If enabled, the group supports LACP. If disabled, the group is a
local static trunking group between two switches. All ports support LACP
dynamic trunking group. If connecting to another device that also
supports LACP, the LACP dynamic trunking group will be created
automatically.
3. Work ports: Defines the maximum number of ports that can be
aggregated at the same time. If the group is an LACP static trunking
group, the exceed ports is standby and able to aggregate if work ports
fail. If the group is a local static trunking group, the number must be the
same as group ports.
4. Select the ports to join the trunking group.
5. If LACP is enabled, you can configure LACP Active/Passive status for
each port.
6. Click Apply.
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5-4-5-2. Aggregator Information
The LACP Aggregator relation information is displayed as shown.
5-4-5-3. State Activity
Active (select): The active port automatically sends LACP protocol packets.
Passive (no select): The passive port does not automatically send LACP
protocol packets, but responds only if it receives LACP protocol packets
from the other device.
A link having either two active LACP ports or one active port can perform
dynamic LACP trunking. A link that has two passive LACP ports will not
perform dynamic LACP trunking because both ports are waiting for an
LACP protocol packet from the opposite device.
If the port has active LACP’s, and you select the trunking port, the active
status will be created automatically.
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5-4-6. Filter Database
5-4-6-1. IGMP Snooping
The switch supports IP multicasting. You can enable IGMP via the web
management’s configuration screen. In addition, you can view difference
multicast groups, VIDs and member ports, and IP multicast addresses that
range from 224.0.0.0 through 239.255.255.255.
The Internet Group Management Protocol (IGMP) is an internal protocol of
the Internet Protocol (IP) suite. IP manages multicast traffic by using
switches, routers, and hosts that support IGMP. Enabling IGMP allows the
ports to detect IGMP queries and report packets and manage IP multicast
traffic through the switch. IGMP has three fundamental types of message as
follows:
Message
Query
Description
A message sent from the queryer (IGMP router or switch) asking for a
response from each host belonging to the multicast group.
A message sent by a host to the queryer to indicate that the host wants to be
or is a member of a given group indicated in the report message.
A message sent by a host to the queryer to indicate that the host has quit a
specific multicast group.
Report
Leave
Group
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5-4-6-2. Static MAC Address
When a static MAC address is added, it remains in the switch's address
table, regardless of whether or not the device is physically connected to the
switch. This saves the switch from having to re-learn a device's MAC
address when the device is disconnected or powered-off.
To add a static MAC address:
1. Click on Administrator on the main menu.
2. Click on Filter Database.
3. Click Static MAC Addresses. In the MAC address box, enter the MAC
address to and from which the port should permanently forward traffic,
regardless of the device's network activity.
4. In the Port Number box, select a port number.
5. If tag-based (IEEE 802.1Q) VLANs are set up on the switch, static
addresses are associated with individual VLANs. Type the VID (tag-
based VLANs) to associate with the MAC address.
6. Click Add.
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5-4-6-3. Port Security
A port in security mode will be “locked” with address learning blocked. Only
the incoming packets with SMAC already existing in the address table can
be forwarded normally. The user can disable the port from learning any new
MAC addresses, then use the static MAC addresses screen to define a list
of MAC addresses that can use the secure port. Enter the settings, and
then click Submit to apply the changes on this page.
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5-4-7. VLAN Configuration
A Virtual LAN (VLAN) is a logical network grouping that limits the broadcast
domain. It allows you to isolate network traffic so only members of the
VLAN receive traffic from the same VLAN members. Basically, creating a
VLAN from a switch is logically equivalent to reconnecting a group of
network devices to another Layer 2 switch. However, all the network
devices are still plugged into the same switch physically.
The MIL-SM801P, MIL-SM801G, and MIL-SM800P switch series support
port-based and protocol-based VLANs. In the default configuration, VLAN
support is enabled and all ports on the switch belong to the default VLAN.
VID is 1.
NOTE: The default VLAN can’t be deleted.
Support Port-based VLANs (IEEE 802.1Q VLAN)
The IEEE 802.1Q specification is the standard for Port-based Tagging.
Therefore, it is possible to create a VLAN across devices from different
switch suppliers. IEEE 802.1Q VLAN uses a technique to insert a “tag” into
the Ethernet frames. The tag contains a VLAN Identifier (VID) that indicates
the VLAN numbers.
Support Protocol-based VLAN
In order for an end station to send packets to different VLANs, it has to be
either capable of tagging the packets it sends with VLAN tags OR be
attached to a VLAN-aware bridge. The VLAN-aware bridge must be
capable of classifying and tagging the packet with different VLAN ID. The
classification and tagging of the packets is based on default PVID and other
information about the packet, such as the protocol.
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5-4-7-1. Basic
VLAN Configuration
By default, there are no VLANs set for the switch. In order to configure any of the
different types of VLANs, VLANs need to be enabled in the switch using
Settings/Advanced/Protocol Enable Settings/VLAN Operational Mode. The
following are the choices offered:
Port Based VLANs
This screen shows the current Port Based VLANs configured. To configure new
VLANs click the Add button. You can also delete configured VLANs using this
screen. To edit a VLAN (change the ports) highlight the VLAN name and then
click Edit. There can be up to 256 different port based VLANs configured.
When adding a VLAN this screen allows the configuration of the VLAN. The
configuration includes the number of ports, the text name and the Group ID that
will belong to the specific VLAN. These VLANs only apply to this switch. The
VLANs can be overlapping, meaning that any port can belong to more than one
VLAN. One configuration that is common for port based VLANs is to have all the
ports on the switch on separate VLANs except for the port that has the server
connected to it. This port is then shared by all the VLANs. This enables security
between ports, but allows all ports access to the server.
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Create a VLAN and add tagged member ports.
1. From the main menu, click Administrator -- VLAN configuration.
2. Click Add.
3. Type a name for the new VLAN.
4. Type a VID (between 2-4094). The default is 1.
5. From the Available ports box, select ports to add to the switch and click
Add.
6. Click Apply.
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5-4-7-2. Port VID
Configure port VID settings
From the main Tag-based (IEEE 802.1Q) VLAN page, click Port VID
Settings.
Port VID (PVID)
Used for setting the Port VLAN ID that will be assigned to untagged traffic
on a given port. For example, if port 9's Default PVID is 100, all untagged
packets on port 9 will belong to VLAN 100. The default setting for all ports is
VID 1.
This feature is useful for accommodating devices that you want to
participate in the VLAN but that don't support tagging. Only one untagged
VLAN is allowed per port.
Ingress Filtering
Ingress filtering lets frames belonging to a specific VLAN be forwarded if the
port belongs to that VLAN. The frames are dropped if not. The switch’s two
ingress filtering rules are:
Ingress Filtering Rule 1: Forwards only packets with VID matching this
port’s configured VID. By default, only packets with this VID are forwarded.
Ingress Filtering Rule 2: Drop Untagged Frame. By default all untagged
frames are forwarded.
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5-4-8. Set Spanning Tree
The Spanning-Tree Protocol (STP) is a standardized method (IEEE 802.1D)
for avoiding loops in switched networks. When STP is enabled it ensures
that only one path at a time is active between any two nodes on the
network.
Spanning-Tree Protocol can be enabled using web management’s switch
setting advanced item, and selecting enable Spanning-Tree protocol. By
default, spanning tree is disabled on the switch.
Description
Priority
The priority value used to identify the root bridge can be changed. The bridge with
the lowest value has the highest priority and is selected as the root. Enter a number 1
through 65535.
Max Age
Max Age value is the number of seconds a bridge waits without receiving Spanning-
Tree Protocol configuration messages before attempting a reconfiguration. It can be
changed from 6 seconds through 40 seconds.
Hello Time
The Hello Time value is the number of seconds between the transmission of
Spanning-Tree Protocol configuration messages. It can be modified. 1 second
through 10 seconds are permissible values.
Forward Delay time
You can change Forward Delay Time, which is the number of seconds a port waits
before changing from its Spanning-Tree Protocol learning and listening states to the
forwarding state. Enter a number 4 through 30.
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Information about the current spanning tree status is displayed in this table.
The priority and path cost can be configured for each port. Click the Apply button
to modify the configuration.
Description
Port Priority
A change to the Port Priority affects which port will be the root port. The lowest
number has the highest priority. The range is 0-255 and the default setting for all
ports is 128. If you change the value, you must reboot the switch.
Path Cost
Path Cost specifies the path cost of the port that the switch uses to determine
which ports are the forwarding ports. The lowest number becomes the
forwarding port. The range is 1-65535 and the default value is based on
IEEE802.1D
10Mb/s = 50-600
100Mb/s = 10-60
If you change the value, you must reboot the switch.
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5-4-9. Port Mirroring
The Port Mirroring feature can monitor traffic in switched networks. Traffic
transmitted or received on monitored ports (source ports) will be duplicated
to a destination port or mirror port.
Analysis State: Enables or disables the port mirroring function.
Mirror Ports: The ports you want to mirror. All source port traffic will be
copied to a mirror port. You can select a maximum of 8 source ports in the
switch. If you want to disable the function, you must select monitor port to
none.
Monitor Rx: Monitors received frames from the port.
Monitor Tx: Monitors transmitted frames from the port.
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5-4-10. SNMP
SNMP is a protocol that governs the transfer of information between
management and agent. The switch supports SNMP V1. Any Network
Management station running the Simple Network Management Protocol
(SNMP) can manage the switch provided that the Management Information
Base (MIB) is installed.
Use this menu to define management stations as trap managers and to
enter SNMP community strings. Users can also define community strings
for a name, location, and contact person for the switch.
1. System Options – The length of each can be 26 characters.
Name: Enter a name to be used for the switch.
Location: Enter the location of the switch.
Contact: Enter the name of a person or organization.
2. Community strings serve as passwords and can be entered as one
of the following:
Read only: Enables requests accompanied by this string to display MIB-
object information.
Read write: Enables requests accompanied by this string to display MIB-
object information and to set MIB objects.
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3. Trap Manager
A trap manager is a management station that receives traps. Traps are the
system alerts generated by the switch. If no trap manager is defined, no
traps are issued. Create a trap manager by entering the IP address of the
station and a community string.
5-4-11.Security Manager
The user can change the user name and password to keep the switch
secure. The default user name and password are below.
User Name: root
Password: root
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5-4-12. TFTP Update Firmware
The following menu options provide some system control functions to allow
a user to update firmware and remotely boot the switch system:
• Executing TFTP software
• Copy firmware update version image.bin to TFTP software directory.
• In web management select Administrator—TFTP update firmware.
• Download new image.bin file. In web management, press <update
firmware>.
5-4-13. Configuration Backup
5-4-13-1. TFTP Restore Configuration
Use this screen to set TFTP server address. You can restore EEPROM
value from here, but you must put the image back in the TFTP server. The
switch will download back flash image.
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5-4-13-2. TFTP Backup Configuration
Use this screen to set the TFTP server IP address. You can save current
EEPROM value from here, then go to the TFTP Restore Configuration
screen to restore the EEPROM value.
5-4-14. Reset System
Reset switch to default configuration. The default value is shown below:
5-4-15. Reboot
Reboot the switch in software reset.
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6.
Technical Specifications
This section provides the specifications of MIL-SM800P, MIL-SM801P, and
MIL-SM801G switch series.
Specifications
Standards
IEEE 802.3 10BASE-T Ethernet,
IEEE 802.3u 100BASE-TX/FX Fast Ethernet
ANSI/IEEE 802.3 Auto-negotiation
CSMA/CD
Compliance
Protocol
Max Forwarding
and
14,880 pps per Ethernet port,
148,800 pps per Fast Ethernet port
1,488,000 pps per Gigabit Ethernet port
Per Port: (10/100 UTP ) :
Max Filtering Rate
LED Indicators
100M, LK/ACT, FD/COL ( 3 LEDs )
Fiber Port: [ MIL-SM801P/G switch series only ]
LK/ACT, FD/COL ( 2 LEDs )
Fiber Port: [ MIL-SM801G switch series only ]
LK/ACT ( 1 LED )
Per Unit: Power
Copper Network
Cables
10BASE-T: 2-pair UTP/STP Cat. 3, 4, 5 cable
EIA/TIA-568 100-ohm ( 100m )
100BASE-TX: 2-pair UTP/STP Cat. 5 cable
EIA/TIA-568 100-ohm ( 100m )
SC, ST, MT-RJ, VF-45 Multi-mode:
Half-duplex: 412m, Full-duplex: 2Km
SC Single-mode:
Fiber Link Max.
Distance
Half-duplex: 412m, Full-duplex: 15Km
SC Multi-mode Gigabit:
Full-duplex: 220m
Dimensions
250mm x 132mm x 37mm (L x W x H)
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Weight
MIL-SM800P switch:
1060 g
MIL-SM801P/G switch series: 1080 ±20 g
Storage Temp.
-40ºC to 70ºC (-40ºF to 158ºF)
Operational Temp. 0ºC to 45ºC (32ºF to 113ºF)
Operational
Humidity
10% to 90% (Non-condensing)
External Power
100-240V AC, 50-60Hz
Power
MIL-SM800P switch: 15 Watts (Max)
MIL-SM801P/G switch series: 17 Watts (Max)
FCC Class A, CE Mark
Consumption
EMI
Safety
UL, cUL
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7.
Troubleshooting
This section is intended to help you solve some common problems
encountered while using the MIL-SM801P, MIL-SMS801G, and MIL-
SM800P switch series.
Incorrect connections
„ Faulty or loose cables
Look for loose or obviously faulty connections. If they appear to be OK,
make sure the connections are snug. If that does not correct the
problem, try different cables.
„ Non-standard cables
Non-standard and miswired cables may cause numerous network
collisions and other network problems. This can seriously impair
network performance. A category 5 cable tester is a recommended tool
for every network installation.
„ Improper Network Topologies
It is important to make sure that you have a valid network topology.
Common topology faults include excessive cable length and too many
repeaters or hubs between end nodes. In addition, you should make
sure that your network topology contains no data path loops. Between
any two ends nodes, there should be only one active cabling path at
any time. Data path loops will cause broadcast storms that will severely
impact your network performance.
Diagnostic LED Indicators
The switch can be easily monitored through panel indicators to assist in
identifying problems.
If the power indicator does turn on when the power cord is plugged in,
you may have a problem with power outlet or power cord. However, if
the switch powers off after running for awhile, check for loose power
connections, power losses or surges at power outlet. If you still cannot
resolve the problem, contact your local dealer for assistance.
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„ Cabling
RJ-45 ports: Use unshielded twisted-pair (UTP) or shielded twisted-pair
(STP) cable for RJ-45 connections: 100Ω Category 3, 4 or 5 cable for
10Mbps connections or 100Ω Category 5 cable for 100Mbps
connections. Be sure that the length of any twisted-pair connection
does not exceed 100 meters (328 feet).
100BASE-FX fiber port: Multi-mode fiber connector types must use
50/125 or 62.5/125 µm multi-mode fiber cable. Two devices may be
connected over a 2 kilometer distance. Single-mode fiber connector
types must use 9/125 µm single-mode fiber cable. Two devices may be
connected over a15 to 60 kilometer distance in full duplex operation in
single-mode.
1000BASE-SX fiber port: Multi-mode fiber connector types must use
50/125 µm multi-mode fiber cable for 500 meters or 62.5/125 µm multi-
mode fiber cable for 220 meters. Two devices may be connected over
220m to 500m distances.
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90000405 Rev. A
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