Opac Hardware; Opac Hardware Components; Hardware Configuration - Nortel DMS-100 Series Maintenance Manual

Outside plant access cabinet (opac)

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Table of Contents

OPAC hardware

This chapter describes the Nortel Outside Plant Access Cabinet (OPAC)

hardware components. The Nortel OPAC hardware components give

operating company clients and subscribers the full resources of the digital

switching system. The following sections describe the hardware

components in the OPAC. These sections describe additional components.

The OPAC is in an NT Series 800E Cabinet that contains the following

standard components:

The layout of the OPAC equipment in the 800E Cabinet appears in the

following figure. The multi-compartmented cabinet is a strong, insulated,

weatherproofed structure. This structure provides protection and a

controlled environment for electronic, termination, electrical, and power

The approximate external dimensions of the enclosure are 2.09 m by 1.65 m

by 0.76 m (82.25 in. by 65 in. by 30 in.). An empty cabinet weighs

approximately 680 kg (1500 lb). A completely equipped cabinet with

electronics and batteries weighs approximately 1542 kg (3400 lb).

The housing is steel. Bay frames and bases use heavier materials.

line concentrating module (LCM)

host interface equipment (HIE)

remote maintenance module (RMM)

modular supervisory panel (MSP)

battery control unit (BCU)

T1 repeaters

environmental controls.

DMS-100 Family OPAC Maintenance Manual XPM12 and up