Juniper Networks M120 Network Router User Manual


 
120-ohm RJ-48CCables and connectors
One bicolor per E1 port:
OffPort not enabled
GreenPhysical E1 link is up; individual subchannels can be down
RedPhysical E1 link is down
LEDs
Alarm indication signal (AIS)
Loss of frame (LOF)
Out of frame (OOF)
Failed signal rate (FSR)
Alarms, errors, and
events
Layer 2 per-queue and per-channel packet and byte countersInstrumentation
(counters)
36 Channelized E1 IQ PIC
M120 Internet Router PIC Guide