Installation guide
15-3
Cisco 10000 Series Routers Line Card Hardware Installation Guide
OL-6773-04
Chapter 15 8-Port Unchannelized E3/T3 Line Card Overview
LEDs
LEDs
The 8-port unchannelized E3/T3 line card LEDs are shown in Figure 15-1.
Figure 15-1 8-Port Unchannelized E3/T3 Line Card Faceplate Description
Table 15-3 provides a description of the 8-port unchannelized E3/T3 line card LEDs.
1 Captive screws 4 Ports 0 to 7 status LEDs
2 Top ejector lever 5 Bottom ejector lever
3 FAIL LED 6 Bottom captive screw
CISCO
10000
8XE3/T3
P/N ESR-8E3/DS3
FAIL
1
2
3
4
5
6
7
59368
1
5
3
6
4
0
CARRIER
ALARM
LOOP
2
0
CARRIER
ALARM
LOOP
Table 15-3 LED Description
LED Label Color State Meaning
FAIL Yellow Off Off when line card is working properly. Turns on for
a few seconds during line card power-on self test
(POST), then turns off when the line card is working
properly.
Off if the card power supply fails.
Off if the card 48V fuse is blown.
On when the line card POST fails.
On On if a failure occurs.
Blinking Blinking under certain POST failures.
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 Off when the line card is operating normally.
On On when an alarm condition exists at the
corresponding port.