Technician's Handbook
NSU FIM LEDs
Table 70 below shows the meaning of the NSU FIM
LEDs.
Table 70. NSU FIM LEDs
NSU CIM LEDs
Table 71 below shows the meaning of the NSU CIM
LEDs (CIM 1 is on the left, and CIM 2 is on the right).
Table 71. NSU CIM LEDs
264
When a remote MFC status LED is off, check
Note:
the local FIM status LED. If it is ON, then the fiver
optic cable may be faulty.
Top LED
Status
ON
In frame synchronization.
Flashing Out of synchronization. OR
Tx and Rx cables reversed.
OFF
Power off. OR
Held in reset.
LED
Status
ON
Communication link synchronized
with 3300 Controller.
Flashing BSP running.
Marching When top and bottom LEDs are
alternating, NSU is powering up.
Do NOT interrupt.
OFF
No power.
Meaning for local, upper and
remote, lower FIM
Meaning (all LEDs)