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SAGEM 3P@C

3P@C Installation Manual

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Table 2-7Status definitions of the LED indicators on the front panel of ADUC

LED Identific

ation

Color Status Description

On The system is powered on

Off The system is powered off or

abnormal

RUN Green

Flashing The ADUC operates normally

Off The ADUC operates normally

ADUC

running

status

indicator

ALM Red

ON ADUC alarm

2.4.

2.4.2.4.

2.4. Power Distribution System

2.4.1.

2.4.1.2.4.1.

2.4.1. Overview

The DC distribution unit of 3P@C 4450E adopts the -48 V DC power supply. It is 4U high and is fixed

to the upper part of the equipment rack rear. The -48 V DC input power is divided into 4 tributaries

whose outputs are controlled by air switches separately. Their connection relations are shown in

Figure 2-19:

Figure 2-19 Connection relations

2.4.2.

2.4.2.2.4.2.

2.4.2. Functional Features

Input requirements

1. -48 V single input.

2. -48 V input range: -36 ~ -72 V DC.

3. -48 V total input power: 3,300 W.

Output requirements

1. The -48 V power is output to 4 channels that are led out by wiring terminals and controlled by air

switches.

2. The rated current of the air switch is 32 A.

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Sagem 4450E Installationshandbuch Seite 37