Specifications

Chapter 5 Monitoring and Diagnostics Installation and Operation Manual
5-10 Troubleshooting Optimux-106 Ver. 6.1
5.4 Troubleshooting
If a problem occurs, check the displayed indications and refer to Section 3-2 and
Table 3-1
for their interpretation.
Identify the trouble symptoms and perform the actions listed under Corrective
Measures in the order given in
Table 5-10 , until the problem is corrected.
Table 5-10 Troubleshooting Chart
Trouble Symptoms Probable Cause Corrective Measures
Optimux-106 does not
respond
No power Check that both ends of the power cable are properly
connected. If the power cable is properly connected, but the
power supply still does not respond, then the power supply is
defective (see below).
If Optimux-106 is powered from a DC source, check the
polarity of the power connections.
Defective Power
Supply
Disconnect the power from both ends and replace with
another power supply.
Defective
Optimux-106
Replace the Optimux-106 unit.
PWR indicator lights in
red or yellow
Defective power
supply
Turn the respective power supply off for at least 10 minutes,
and then turn it on again.
If the PWR indicator is still red or yellow, have Optimux-106
repaired as soon as possible.
The SYNC LOSS indicator
of the Uplink lights.
External problem Activate the local loopback on Optimux-106. Check that the
SYNC LOSS and AIS indicators of the Uplink in use turn OFF.
If the indicators turn off, check the T3 interface connections,
the T3 transmission path to the remote unit, and the remote
unit.
Defective
Optimux-106
Replace the Optimux-106 unit.
Defective
Optimux-106
Activate the local loopback on Optimux-106. Check that the
SYNC LOSS and AIS indicators of the Uplink in use turn OFF. If
one of the indicators remains lit, replace Optimux-106.
None of the units
connected to a local
Optimux-106 receive the
remote equipment.
External problem Activate the local loopback on Optimux-106. Check that all
the SYNC LOSS and AIS indicators turn OFF, and that the
equipment connected to the local tributaries receives their
own transmissions. If the indicators turn OFF, the problem is
external. Troubleshoot the remote unit, and the uplink
transmission path.
Defective
Optimux-106
Replace the Optimux-106.