Appendix A Troubleshooting

Reading Rear-Panel LEDs

Table A-5 Cisco 3631 Front-Panel LEDs

LED

Color

Power Supply Status

 

 

 

POWER

Off

No power to system.

 

Green

Power to the system.

 

 

 

SYS/RPS

Slow blinking green

System initialization in progress.

 

Solid green

System software running. No RPS failure.

 

Fast blinking green

RPS failure after system software is running.

 

 

 

ACTIVITY

Blinking green

Blinking indicates network activity.

 

 

 

Reading Rear-Panel LEDs

Rear-Panel LEDs on Cisco 3631 Routers

For an explanation of the Cisco 3631 rear-panel LEDs, see Table A-6.

Figure A-5 Cisco 3631 Router Rear-Panel LEDs

AIC-64

 

ASYNC

 

31

 

30

27

29

26

2825

24

15

 

14

11

13

10

129

8

CONN 1

 

CONN 2

 

ASYNC 24-31

 

23

 

22

19

21

18

20

17

ASYNC 8-15

16

7

 

6

3

5

2

4

1

 

0

CONN 3

 

 

CONN 4

STAT

 

 

EN

ASYNC 16-23

 

 

ASYNC 0-7

 

 

 

 

EN

ACT 100Mbps

LINK

FastEthernet 0/0

TD

RD

LP

AL

 

CD

 

 

 

 

SEE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MANUAL BEFORE

INSTALLATION

DSU

 

 

 

 

 

 

 

56K

 

 

 

 

 

 

 

 

ACT

SEE

MANUAL BEFORE

 

 

 

 

 

 

 

INSTALLATION

 

 

 

 

 

100Mbps

 

 

 

 

 

FastEthernet 0/0

LINK

 

 

 

 

 

 

 

 

 

 

62705

FastEthernet 0/0

Console/AUX

ports

Table A-6 Cisco 3631 Fast Ethernet Connector LEDs

 

 

 

 

LED

Color

Status

 

 

 

 

 

 

 

 

 

 

 

 

 

ACT

Green

Blinking indicates network activity.

 

 

 

 

 

Off

No network activity.

 

 

 

 

 

 

 

 

 

 

 

 

LINK

Green

Ethernet link is established.

 

 

 

 

 

Off

No established link.

 

 

 

 

 

 

 

 

 

 

 

 

100Mbps

Green

100 Mbps communication speed attained.

 

 

 

 

 

Off

10 Mbps communication speed attained, or no link established.

 

 

 

 

 

 

 

 

 

 

 

Cisco 3600 Series Routers Hardware Installation Guide

 

 

 

 

A-8

 

 

 

 

OL-2056-05

 

 

 

 

 

 

 

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Cisco Systems Cisco 3600 manual Reading Rear-Panel LEDs, Rear-Panel LEDs on Cisco 3631 Routers, Color Status