User manual

42 Adit 600 - Release 10.1.1
Quick Start
Service Card LEDs
4-Wire E&M Card
Each channel/port has two LEDs. Only the top LED is used in this application. LED
definitions are listed below.
State Description
When in E&M Mode
Off Channel is idle or disabled
Green Analog interface is off-hook
Red Digital interface is off-hook
Yellow Both analog and digital interfaces are off-hook, or channel is
being trunk processed
When in TO Mode
Off Disconnected
Green Connected, T1/E1 not in alarm
Yellow Connected, T1/E1 in alarm (trunk processed)