Juniper Networks manual M120 Internet Router PIC Guide

M120 Internet Router PIC Guide

Cables and connectors

LEDs

Alarms, errors, and events

Instrumentation (counters)

■120-ohm RJ-48C

One bicolor per E1 port:

■Off—Port not enabled

■Green—Physical E1 link is up; individual subchannels can be down

■Red—Physical E1 link is down

■Alarm indication signal (AIS)

■Loss of frame (LOF)

■Out of frame (OOF)

■Failed signal rate (FSR)

■Layer 2 per-queue and per-channel packet and byte counters

36■ Channelized E1 IQ PIC