Specifications

ASMi-52L Installation and Operation Manual Chapter 6 Troubleshooting and Diagnostics
Troubleshooting 6-11
6.4 Troubleshooting
Use the chart shown in Table 6-4 to identify and remedy problems in unit
operation.
Table 6-4. Troubleshooting Chart
Fault Probable Cause Remedial Action
Power led off No power supplied to unit 1. Check power source.
2. Check power cable connected and
correctly wired.
Ethernet Link Led off
• No Ethernet Link detected
• Ethernet port in switch and
ASMi-52L are not in the same
rate or duplex mode
1. Check cable connected and
correctly wired.
2. Check switch and ASMi-52L
Ethernet port configuration
(negotiation, rate, duplex mode).
3. Use Log File to check events.
Local or remote Sync Loss
led on
No Link detected at the local or
remote site
1. Check cable connected and
correctly wired.
2. Check physical connection
(use loopbacks).
3. Check configuration of lines at local
and remote sites.
4. Use Log File to check events.
No traffic flow between two
units
Configuration or logical layer
problems
1. Use System Interface Status screen
for assistance.
2. Use Log File to check events.
3. Check ASMi-52L configuration and,
if necessary, other ASMi-52L
parameters.
Partial Traffic Flow Timing configuration is not
properly set
Check timing settings.