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Chapter 3
Troubleshooting guidelines and maintenance information are provided in this
chapter.
TROUBLESHOOTING
Power
Condition:
P
OWER
•
If locally powered, verify the power cable installation.
Electric LOS
Condition:
E
LECTRIC
1.
Verify that the cable from the network demarcation is connected to the
dual BNC connectors (labeled
back panel of the OCU 45.
2.
If all connections seem intact, check the DS3/STS-1 device on the other
end of the circuit.
Electric Alarm
Condition:
E
LECTRIC
1.
Line coding violations (LCVs) are being received on the electrical
interface. Check the electrical interface configuration and verify the
current setting is correct.
2.
If the current electrical interface configuration setting is correct, check
the DS3/STS-1 device connected to the OCU 45.
61200664L1-1B
Troubleshooting and
Maintenance
LED
is not illuminated.
is illuminated.
L
LED
OS
A
LED
LARM
OCU 45 User Manual
E
I
LECTRICAL
NTERFACE
is illuminated.
) located on the
27
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