Cisco 3700 series User Manual

A-5
Cisco 3700 Series Routers Hardware Installation Guide
OL-2180-08
Appendix A Troubleshooting
Reading Front-Panel LEDs
Figure A-2 Cisco 3745 Router Front-Panel LEDs
Table A-1 Cisco 3725 Router Front-Panel Indicators
LED Indicator State Description
PWR Off Router is not receiving power.
Solid green Router is receiving power.
SYS/RPS Off Router is not receiving power.
Rapid blinking System is booting up or in ROM monitor mode.
Blinking once per second Redundant power system has failed.
Solid green System is operating normally.
ACT Off No packet transfers are occurring.
Blinking System is actively transferring packets.
Table A-2 Cisco 3745 Router Front-Panel Indicators
LED Indicator State Description
SYS Off Router is not receiving power.
Blinking green Running ROM monitor with no errors detected.
Solid green Router is operating normally.
Amber Router is receiving power but malfunctioning.
ACT Off No interrupts or packet transfers occurring.
Solid or blinking green System is receiving interrupts, or is actively transferring
packets.
72081
Cisco 3700 SERIES
SYS LED
ACT LED
SYS PS1 LED
-48V PS1 LED
-48 PS2 LED
SYS PS2 LED

Cisco 3700 series Specifications

General

Brand	Cisco
Model	3700 series
Category	Network Router
Language	English