Instruction manual

Equipment and Operation
Red, green, and yellow LEDs indicate the status of the module (see Table 2-2):
■ A lit red LED indicates an active alarm on one or more of the eight active
Digital Subscriber Lines (DSLs), or indicates that the module is out of
service.
■ A lit green LED indicates the module is in a test condition.
■ A lit yellow LED indicates an active call on the module.
Table 2-2.800 CO-BRI Module LEDs
LED
Status
Red
Green
Yellow
Initialization Mode
On Off Off
Standby Mode
On Off Off
Test Mode
Off On Off
Normal Mode, Off-Hook
Off Off On
Normal Mode, On-Hook
Off Off Off
Module or Port Alarm
On Off Off
Test Mode
Off On On
Figure 2-2. LEDs on an 800 CO-BRI Module
800 CO-BRI Module 2-5