ASL INTERCOM BS 181 Manuale d'uso - Pagina 5

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5.0

FRONT PANEL CONTROLS & CONNECTOR

1 POWER ON/OFF switch

Mains power push button for switching ON and OFF

the power supply.

2 POWER LED

This LED illuminates if line power is supplied by the

internal power supply.

6.0

REAR PANEL CONTROLS & CONNECTORS

3 Line connectors

These XLR-3 type connectors are for connecting the

user-stations, via standard microphone cable.

Pin assignments:

1. 0 V / ground shield

2. +30 V power wire

3. audio wire

4 FUSE

This fuse protects the BS 181 against severe internal

damage, in case of malfunction in the power section.

Disconnected the power cord before replacing the

fuse.

It is most important to place the correct fuse in the

holder :

90 - 240 VAC T 1250 mA

Spare fuses will be found in the small packet supplied

with the unit.

An extra internal fuse is located on the printed circuit

board, if neccesary replace this fuse ONLY with a 4A.

5 MAINS INLET

IEC Mains connector. For correct wiring and operation

refer to section 4.0.