Cabletron Systems 6E233-49 SmartSwitch 6000, User Manual

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Troubleshooting Checklist
4-6 Troubleshooting
Table 4-3 Power System Troubleshooting
Possible Causes Instruction
Loss of power to the
6C105 chassis. Perform the following steps:
1. Check ON/OFF switches of 6C105 power supplies. All switches
must be in the ON ( | ) position.
2. Check all power cords and cables for proper connection.
Examine power cords for fraying or other damage. Replace if
necessary.
3. Examine 6C105 chassis power supplies. If power supply LEDs
or audible warning tone indicate power supply problems,
troubleshoot or replace any faulty power supplies.
Fault in 6C105 power
bus. 1. Remove the 6E233-49 SmartSwitch from the current slot and
re-install in another free slot in the chassis.
2. If the 6E233-49 SmartSwitch functions in the selected slot, the
6E233-49 SmartSwitch onboard power converter is operational.
The 6C105 chassis power bus may have a localized fault. Install
the 6E233-49 SmartSwitch in the working slot and contact
Cabletron Systems.
3. If the 6E233-49 SmartSwitch does not function in the selected
slot, continue the process with all module slots in the chassis. If
the module does not function in any slot, the chassis power bus
may have a system-wide fault or the module onboard power
converter may be inoperable. Diagnose the module power
converter as described below to isolate the fault.
Fault in 6E233-49
SmartSwitch module
power converter. 1. Remove a working module from a known good chassis.
2. Install the 6E233-49 SmartSwitch in the known good slot.
3. If the 6E233-49 SmartSwitch does not function, there may be a
fault in the onboard power converter. Contact Cabletron Systems
immediately.
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