Front-Panel Leds On Cisco 3631 Routers - Cisco Router 3600 Hardware Installation Manual

Appendix A Troubleshooting
Your router's front or rear panel shows ACTIVE slot# and READY slot# LEDs corresponding to the
Note
number of network module slots in the router. (See
The Cisco 3620 router has two slots numbered 0 and 1; the Cisco 3640 router has four slots numbered
0, 1, 2, and 3; and the Cisco 3660 router has six slots numbered 1, 2, 3, 4, 5, and 6.
The Cisco 3660 router has PCMCIA slots located on its rear panel. (See
Note
Table A-4
LED
ACTIVE 0, 1, 2, 3, 4, 5, 6 Blinks to indicate network activity on the module installed in the indicated
READY 0, 1, 2, 3, 4, 5, 6
PCMCIA 0, 1

Front-Panel LEDs on Cisco 3631 Routers

The LEDs on the front panel of the router enable you to determine router performance and operation.
Figure A-4
LEDs see
Figure A-4
OL-2056-05
ACTIVE, READY, and PCMCIA LEDs in Cisco 3620, Cisco 3640, and Cisco 3660 Routers
Description
slot.
Functional module has been installed in the indicated slot. If the LED is
off, the slot is empty or the module is not functional.
Data activity on the indicated PCMCIA slot.
shows the LEDs on the front panel of the Cisco 3631 router. For an explanation of these
Table A-5.
Cisco 3631 Front-Panel LEDs
Power LED
SYS/RPS LED
Table A-4.)
SE R IE S
Activity LED
Cisco 3600 Series Routers Hardware Installation Guide
Reading Front-Panel LEDs
Figure A-6.)
A-7