Lucent Technologies FiberReach DDM-2000 - Page 195

Contents
Issue 3 June 2000
4-i
4
Power
Overview
4-1
Introduction
4-1
Wideband Shelf -48 V Battery Powering
4-1
■
Power Distribution 4-3
■
Wall Distant Terminal Powering for WBS and NBS 4-4
■
Wideband Shelf Transmission Circuit Packs 4-6
OLIU Circuit Packs 4-6
DS1/DS1PM Circuit Packs 4-6
Control Circuit Packs 4-6
Narrowband Shelf –48 V Battery Powering
4-6
■
Other Power Options 4-8
■
Wall Distant Terminal Powering 4-9
■
Narrowband Shelf Transmission Circuit Packs 4-10
FHB2 Digital Signal Cross-Connect Backplane Interface
Unit (DSXBIU) 4-10
AUA432 Power Converter Unit (PCU), BGW1 Power
Supply Unit (PSU) 4-10
Ringing Generator Units (RGU) 4-11
AUA421 Channel and Drop Test Unit (CDTU) 4-12
■
LEDs 4-12
■
Power Minor Alarm 4-13
■
Power Distribution 4-144-14
4-13
4-12
4-12
4-11
4-10
4-10
4-10
4-9
4-8
4-6
4-6
4-6
4-6
4-6
4-4
4-3
4-1
4-1
4-1