Installation guide

3-3
Cisco 10000 Series Routers Line Card Hardware Installation Guide
OL-6773-04
Chapter 3 1-Port OC-12 ATM Line Card Overview
LEDs
LEDs
The 1-port OC-12 ATM line card LEDs are described in Figure 3-1.
Figure 3-1 1-Port OC-12 ATM Line Card Faceplate Description
Table 3-3 provides a description of the 1-port OC-12 ATM line card LEDs.
1 FAIL LED 5 TX LED
2 LOOP LED 6 ENABLE LED
3 ALARM LED 7 CARRIER LED
4 RX LED
CISCO
10000
ENABLE
ALARM
LOOP
CARRIER
TX
RX
FAIL
OC–12/STM–4 ATM SM–IR
Tx
Rx
126715
6
1
4
3
2
5
7
Table 3-3 LED Description
LED Label Color State Meaning
FAIL Yellow Off A major failure has disabled the line card.
On On when the line card power-on self test (POST ) fails.
LOOP Yellow Off Off when the line card is available for normal operation.
On On when some portion of the corresponding port data is in
a loopback state and is not available for normal operations.
ALARM Yellow Off No alarm condition.
On Indicates an alarm condition at the OC-12 level.
ENABLE Green On The port is enabled for data traffic.
Off The port is not enabled for data traffic.
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.