Opac Power Matrix And Example Current Demand - Nortel DMS-100 Series Maintenance Manual

Outside plant access cabinet (opac)

Hide thumbs Also See for DMS-100 Series:

Table of Contents

The estimated backup time for OPAC configured for 256 lines is 7.5 h

when equipped with the following:

— ten line drawers and 256 line cards

— six string (three string pairs) of Eagle-Picher batteries

— a call rate of 3.0 CCS, where 8.3% of lines are off-hook

— maximum current load of operating company provided equipment is

OPAC power matrix and example current demand

The following power matrix of the OPAC provides for computing backup

time estimates for different configurations.

For the OPAC without line drawers, the electric current demand is –52 V dc

The OPAC frame includes the following:

frame support hardware

— modular supervisory panel

– two NTRX44AA talk battery filter cards

– one NTRX41AA alarm card

– three NTRX43AA fuse cards

– three NTRX42EA circuit breaker cards

– two NTRX42AA circuit breaker cards

– one NTRX66AA fan alarm card

— two NT8X02AB BCC

— two NT6X60CA ringing generators

— two NT2X70AE power converters

— two NT6X73AA link control cards (LCC)

— two or three NT6X50AA or AB DS-1 interface cards

— one NT6X75AA ESA tone and clock card

— one NT6X45AF ESA processor card

— one NT6X47AB 2 Meg ESA memory card or one NT6X47AC 4

Meg ESA memory card

DMS-100 Family OPAC Maintenance Manual XPM12 and up

OPAC maintenance overview 2-29