36
MASTERseries - Release 7.0
MASTERseries Quick Start Guide
LEDs
T1/E1 Link LEDs
LED
State
Description
FM16 1-16
Solid Red
OOF - Out of Frame or AIS.
Solid Green
Normal, link is up.
Flashing Red
LOS - Loss of Signal.
Solid Yellow
Yellow sync alarm or RAI. Indicates red alarm
on the far end.
Flashing -
alternating Yellow
and Green
Loopback in progress.
Off
Link is disabled.