A-3
Cisco 2600 Series Routers Hardware Installation Guide
OL-2171-02
Appendix A Troubleshooting the Router
Reading the LEDs
Figure A-2
Cisco 2691—Front-Panel LEDs
Table A-1
Cisco 261x, Cisco 262x, Cisco 26xxXM, and Cisco 265x Series Routers—Front-Panel LED
Descriptions
LED
Description
Power
Indicates the router’s operating status. Goes on when power is
supplied to the router and the router is operational.
RPS
Off—No RPS
1
is attached.
On—RPS is attached and operational.
Blinking—RPS is attached, but has a failure.
1.
RPS = Redundant Power System
Activity
Off—In the Cisco IOS software, but no network activity.
Blink (500 ms ON, 500 ms OFF)—In ROMMON, no errors.
Blink (500 ms ON, 500 ms OFF, 2 sec between codes)—In
ROMMON, error detected.
Blink (less than 500 ms)—In the Cisco IOS software, the blink rate
reflects the level of activity.
SYS
RPS
PWR
ACT
72100