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Reading Network Processor Module LED Indicators
ATM Network Processor Module LED Indicators
The three LEDs on the ATM network processor module are labeled loopback, local alarm, and
remote alarm. (See Figure 4-17 and Figure 4-18.)
Figure 4-17
ector
Alignment
groove
Figure 4-18
ector
Alignment
groove
Four LEDs on the ATM front panel indicate the following:
•
•
•
•
4-14 Cisco 4000 Series Hardware Installation and Maintenance
ATM Network Processor Module with STS-3c/STM-1 Single Mode PLIM
XMTR
RCVR
BUSY
RX CELLS
READY
RX ALARM
ATM Network Processor Module with STS-3c/STM-1 Multimode PLIM
XMTR
BUSY
READY
Busy—Not applicable in normal use
Ready—When lit, configuration is complete and the module is ready for use
Rx Cells—The module is receiving traffic (cells)
Rx Alarm—Error condition: loss of signal or remote alarm
WARNING
ATM
SM
AVOID EXPOSUREÐINVISIBLE
LASER RADIATION IS EMITTED
FROM THESE APERTURES.
1300
NM
CLASS 1 LASER PRODUCT
LASERKLASSE 1
CISCO SYSTEMS, INC.
170 W. TASMAN DRIVE
SAN JOSE CA. 95134
DATE:
ÒComplies with FDA Radiation
Performance Standards, 21 CFR,
Subchapter JÓ
ATM
MM
RCVR
RX CELLS
RX ALARM
Alignment
groove
Alignment
groove
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