Cabletron Systems Switch ELS100 S24TX2M User Manual

5. Insert the new module into the switch: Holding  
the new module with the text on the front panel  
upright, carefully slide the module into the switch  
slot and press gently until it snaps into place. Be  
sure the new module’s front panel is flush with the  
switch panel.  
Handling the Module  
SMARTSTACK FAST ETHERNET SWITCH  
STACKING MODULE  
TROUBLESHOOTING  
CAUTION: The ELS100-STACK Stacking Module can  
easily be damaged by electrostatic discharge.  
If you experience any problems with the module, check  
the following items before contacting Cabletron’s  
Technical Support:  
To prevent electrostatic damage, observe the following  
guidelines:  
Cabletron’s ELS100-STACK Stacking Module can be  
used to stack up to four ELS100-S24TX2M switch  
units. Running at a bandwidth of over 4 Gbps, these  
modules provide a common interface to the attached  
switches, allowing the stack to function and be  
managed as a single device.  
Ensure that all the switches in the stack are  
powered up.  
Do not remove the module from its packaging until  
you are ready to install it.  
Ensure that the devices attached to the stack are  
powered up and operating correctly.  
Do not touch any of the module’s pins, connectors  
or components.  
Ensure that the Stacking Modules are properly  
seated in their slots.  
Hold the module only by its edges or front panel.  
Check the connectors on both ends of the stack  
cable to be sure they are properly engaged. Tighten  
the thumb screws on the cable connectors to  
ensure a good connection.  
Wear an anti-static wristband connected to a  
suitable earth ground whenever handling the  
module.  
System and Port Status LEDs  
Store or transport this module only in appropriate  
anti-static packaging.  
LEDs are provided on the front panel of the switch.  
These LEDs can be used to verify if the stack is  
functioning properly. The following table details the  
indicator functions provided by the ELS100-S24TX2M:  
Instructions  
6. Secure the new module: Secure the new module  
in place by screwing the attached screws clockwise  
into the switch’s chassis. Tighten them enough to  
secure the module, but not so tight as to prevent  
them from being unscrewed by hand.  
CAUTION: The switch must be powered off before  
installing or replacing any module.  
Port and System Status LEDs  
LED  
Condition  
On  
Status  
1. Power off the switch: Disconnect the AC power  
cord from the switch. If a redundant power unit  
(RPU) is present, disconnect its DC cable  
connection to the switch.  
Power  
RDP  
Switch is receiving power.  
On  
Redundant power is on, and in  
backup or active mode.  
7. Connect the stack cables: Attach one end of the  
stacking cable to the stack connector labeled  
“DOWN” on the top device, and the other end to  
the connector labeled “UP” on the next lower  
device. Repeat this step until all the devices have  
been connected.  
Off  
On  
Redundant power is off or has failed.  
Agent is operational.  
2. Remove network cables: If you are replacing a  
module, remove the cable attached to the port on  
the module.  
Mgmt  
RJ-45 Ports  
Link  
3. Loosen the screws on the installed module or  
slot faceplate: Using your fingers or a flathead  
screwdriver, turn the screws securing the module  
(or faceplate) in the lower-left slot in a counter-  
clockwise direction until they are free of the  
chassis. Be sure not to completely remove the  
screws from the module or faceplate.  
On  
Port has established a valid network  
connection  
Yellow  
Valid 10 Mbps connection.  
Valid 100 Mbps connection.  
Green  
Flashing  
Port has been partitioned due to an  
abnormal network condition, or  
manually disabled.  
4. Remove the installed module or faceplate:  
Firmly pull on the screws until the module is free of  
the switch. Carefully slide the module straight out of  
the slot.  
Activity1  
FDX1  
FC1  
On  
On  
On  
Traffic is passing through the port.  
Port has been set to full duplex.  
Flow control enabled.  
Module Ports  
Keep the original faceplate for future use. If you  
should remove the module, replace the faceplate to  
prevent dust and debris from entering the unit and  
to maintain proper air flow.  
Status  
On  
Flashing  
A module is installed in this slot.  
Traffic is passing through the port  
Activity  
1: Use the Mode Select button to select LED display mode.  
2: There is no LED for indicating stacking status.  
INSTALLING THE MODULE  
CAUTION: The ELS100-STACK Stacking Module is  
designed for ELS100-S24TX2M switches only. Do not  
try to install these modules in any other units.  
8. Power on the switch: Reconnect the previously  
removed power sources to the switch. (Note that  
the Management Module in the bottom switch will  
become the master.) The front-panel LEDs on the  
switches should indicate their status. Refer to the  
table of LEDs in this guide for a description of the  
LED indications. If the stack is not functioning  
properly, see “Troubleshooting” below.  
The ELS100-STACK Stacking Module installs in the  
lower-left slot on the rear panel of the ELS100-  
S24TX2M switch. Do not install this module in any  
other slot. To install the module, follow the instructions  
below.  
Equipment Checklist  
After unpacking the Stacking Module, check the  
contents of the box to be sure you’ve received the  
following items:  
More details concerning connection options and  
network applications can be found in the  
ELS100-S24TX2M Installation Guide. Information on  
managing the stack can be found in the Management  
Guide that is included with the base unit.  
One ELS100-STACK Stacking Module  
One Stacking Cable  
This document  
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