Installation guide
13-3
Cisco 10000 Series Routers Line Card Hardware Installation Guide
OL-6773-04
Chapter 13 1-Port OC-12 Packet over SONET Line Card Overview
LEDs
LEDs
The 1-port OC-12 Packet over SONET LEDs are shown in Figure 13-1.
Figure 13-1 1-Port OC-12 Packet over SONET Line Card Faceplate Description
Table 13-3 provides a description of the 1-port OC-12 Packet over SONET LEDs.
1 FAIL LED 4 RX LED
2 TX (transmit) 5 TX LED
3 RX (receive) 6 CARRIER LED
126717
CISCO
10000
CARRIER
TX
RX
FAIL
OC–12/STM–4 POS SM–IR
2
6
1 3 4
5
Table 13-3 LED Description
LED Label Color State Meaning
FAIL Yellow Off A major failure has disabled the line card.
On The line card is operating properly.
RX Green On The port is receiving traffic.
Off The port is not receiving traffic.
TX Green On The port is transmitting traffic.
Off The port is not transmitting traffic.
CARRIER
(carrier detected)
Green On On when a carrier is detected at the corresponding
port.
Off Off when a carrier is not detected.