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Cisco uBR10012 Universal Broadband Router Troubleshooting Guide
OL-1237-01
Chapter 4 Troubleshooting Line Cards
Troubleshooting the OC-12 Packet-Over-SONET Line Card
Troubleshooting the OC-12 Packet-Over-SONET Line Card
Figure 4-2 describes the LEDs on the Cisco uBR10-1OC12/P-SMI OC-12 Packet-Over-SONET (POS)
line card faceplate. Use these descriptions to verify the operation of the OC-12 POS line card.
Figure 4-2 OC-12 POS Line Card LEDs
Table 4-5 describes fault conditions on the OC-12 POS line card and recommended corrective actions.
29993
LED Status Description
Fail
Rx (receive)
Tx (transmit)
Carrier
Yellow
Off
Green
A major failure has disabled the
line card.
The line card is operating
properly.
Receiving traffic.
Carrier detected.
Carrier not detected.
Off
Off
Off
Yellow
Not receiving traffic.
Green Transmitting traffic.
Not transmitting traffic.
Green
CISCO
10000
C
A
R
R
IE
R
T
X
R
X
FA
IL
OC–12/STM–4 POS SM–IR
0