ADC HiGain H4TU-C-388 List 5A User Manual page 12

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Front Panel

Front-Panel Feature

List number

Front-panel LEDs

DSX-1 access jacks

MON

LINE

DB-9 craft port

(RS-232 DCE connector)

CLEI and ECI bar code label

Table 1. Front-Panel Description

Function

List number identifies the list number of the H4TU-C.

Display HDSL4 and DS1 Line, provisioning, and alarm status through front-panel LEDs. Refer to

Table 2 on page 5

for a listing of the front-panel LEDs and their functions.

Provides non-intrusive monitoring jack access to (IN) and from (OUT) the HDSL4 span at the

DSX-1 interface. Allows the two DS1 payloads to be monitored.

Provides splitting jack access to (IN) and from (OUT) the HDSL4 span at the DSX-1 interface. Breaks

the OUT and IN paths to permit test signal insertion and retrieval.

Provides bidirectional communication between the unit and an external terminal to allow

configuration and performance monitoring through the maintenance terminal screens.

Provides the human-readable Common Language Equipment Identifier (CLEI) code number and the

Equipment Catalog Item (ECI) bar code number.

Used to insert and extract the H4TU-C from the chassis.

October 15, 2003

LTPH-UM-1252-01

H4TU-C-388 List 5A

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