About the Product

Table 1. Campus-RS Line Unit Features

 

 

Feature

Function

 

 

HDSL LED

Indicates the status of the HDSL link. The LED:

 

flashes green to indicate that the Line Unit has detected a

 

remote unit and is attempting to establish the HDSL link

 

lights solid green to indicate that the HDSL link is active with

 

no alarms

 

flashes red to indicate a major alarm (the link is down)

 

lights solid red to indicate a minor alarm

 

flickers red to indicate an acknowledged alarm (a)

Test LED

Indicates the presence of a test or loopback condition. The LED:

 

lights solid amber to indicate a loopback condition

 

flashes amber to indicate a test condition

Port LED

Indicates the status of the data port. The LED:

 

lights solid green to indicate no alarms

 

flashes red to indicate a major alarm

 

lights solid red to indicate a minor alarm

 

flickers red to indicate an acknowledged alarm (a)

RS-232 Console Port

Provides a connection to an ASCII terminal to configure and

 

monitor the Campus-RS system.

Retaining Latch

Secures the Line Unit into place when the unit is installed in a

 

Campus-Star chassis

Bar code and warranty

Located on the right side of the line unit, with the unit held as in

control labels

the previous illustration, these labels provide important

 

information if you need to contact ADC for technical support.

 

 

(a)To acknowledge a minor alarm, press and hold the Escape button on the Campus Management Unit (CMU) for three seconds.

4

May 29, 2002

Campus-RS Line Unit User Manual