Fast Ethernet PRI Module LEDs
Cisco Network Modules Hardware Installation Guide
5-14
Table 5-2 ISDN PRI LEDs
LED Color Meaning
REMOTE ALARM Yellow A remote source is indicating an error at its end of the
connection.
LOCAL ALARM Yellow Incoming signal shows loss of signal, loss of frame, or
excessive errors.
LOOPBACK Yellow Line or local loopback state is set or detected.
CARRIER
DETECT
Green DS-1 carrier to the network is detected.