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Chapter 3. Troubleshooting and Maintenance
3.
Alternately, an
received on the electrical interface indicating an AIS alarm being
transmitted from the DS3/STS-1 device.
Optical LOS
Condition:
O
PTICAL
1.
Verify that the fiber is fully seated in the optical connector interface of
the OCU 45 unit.
Optical Alarm
Condition:
O
PTICAL
1.
Line coding violations are being received from the far end OCU 45.
2.
Alternately, an Optical Alarm can indicate that all 1s are being received
on the optical interface from the far end device.
3.
Verify that the far end OCU 45 is functioning properly.
Alarm Relay Conditions
Condition:
A
LARM
1.
The unit is currently experiencing an
2.
The electrical interface transmit is currently not transmitting data.
3.
The electrical interface setting is not configured properly (i.e., the
interface setting and the data being received are different data rates).
28
E
A
LECTRIC
LARM
is illuminated.
L
LED
OS
is illuminated.
A
LED
LARM
are indicating an active alarm.
R
ELAYS
OCU 45 User Manual
could indicate that all 1s are being
or
O
PTICAL
E
L
LECTRICAL
OS
61200664L1-1B
.
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