Ct1 Network Processor Module Led Indicators; Figure 4-15 Channelized T1 Network Interface Processor - Cisco EF4116 Hardware Installation And Maintenance Manual

Reading Network Processor Module LED Indicators

CT1 Network Processor Module LED Indicators

The three LEDs on the CT1 network processor module are labeled loopback, local alarm, and remote
alarm. (See Figure 4-15.)
Figure 4-15
The three LEDs on the CT1 front panel indicate the following:
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•
•
4-12 Cisco 4000 Series Hardware Installation and Maintenance
Channelized T1 Network Interface Processor
DB-15
female
Loopback—Indicates controller local loopback.
Local alarm—Indicates a loss of signal, a loss of frame, or unavailability because of excessive
errors.
Remote alarm—Indicates a remote alarm is received from the remote end because of a local
alarm at the remote end.
cT1 / PRI