Cisco WS-C4003-RF Hardware Maintenance Manual - Page 93

CE1 Network Processor Module LED Indicators, cE1 / PRI

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LOOPBACK LOCAL ALARM REMOTE ALARM H3154 Reading Network Processor Module LED Indicators CE1 Network Processor Module LED Indicators The three LEDs on the CE1 network processor module are labeled loopback, local alarm, and remote alarm. (See Figure 4-16.) Figure 4-16 Channelized E1 Network Interface Processor cE1 / PRI DB-15 female The three LEDs on the CE1 front panel indicate the following: • 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. • Loop-Indicates controller local loopback. Troubleshooting the Initial Hardware Configuration 4-13

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Troubleshooting the Initial Hardware Configuration
4-13
Reading Network Processor Module LED Indicators
CE1 Network Processor Module LED Indicators
The three LEDs on the CE1 network processor module are labeled loopback, local alarm, and remote
alarm. (See Figure 4-16.)
Figure 4-16
Channelized E1 Network Interface Processor
The three LEDs on the CE1 front panel indicate the following:
•
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.
•
Loop—Indicates controller local loopback.
H3154
cE1 / PRI
LOOPBACK
LOCAL ALARM
REMOTE ALARM
DB-15
female