Juniper Networks M20 manual LEDs Alarms, errors, and events

M20 Internet Router PIC Guide

LEDs

Alarms, errors, and events

One tricolor per port:

■Off—Not enabled

■Green—Online with no alarms or failures

■Amber—Online with alarms for remote failures

■Red—Active with a local alarm; router has detected a failure

■Alarm indication signal (AIS)

■Frame error

■Line code violation

■Local and remote loopback

■Loss of signal (LOS)

■Out of frame (OOF)

■Yellow alarm

16■ ATM2 E3 IQ PIC