Troubleshooting guide

Table Of Contents
349
Status LEDs
Network Services Unit LEDs
Universal/R2 NSU
NSU FIM LEDs
NSU CIM LEDs
Figure 154: Universal and R2 NSU LEDs
Table 83: NSU FIM LEDs
LED Status Meaning for local (upper) and remote (lower) FIM
ON In-frame synchronization.
Flashing Out of synchronization OR Tx and Rx fibers reversed.
OFF Power off OR held in reset.
Note: When a Remote FIM LED is OFF, check the Local FIM LED; if the Local
FIM LED is ON, a fiber optic cable may be faulty.
Table 84: NSU CIM LEDs
LED Status Meaning (all LEDs)
OFF No Power.
Flashing Powered on.
ON Communication Link synchronized with other node.