ASL INTERCOM BS 181 Короткий посібник - Сторінка 3

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5.0

MECHANICAL INSTALLATION

Adequate ventilation must be provided by allowing

sufficient space around the sides and rear of the

unit to ensure free circulation of air.

Forced cooling is not required.

6.0

FRONT PANEL CONTROLS

POWER ON/OFF switch

Mains power push button to switch the internal

power supply On or Off

7.0

REAR PANEL CONTROLS & CONNECTORS

INTERCOM LINE connectors

These two XLR-3 connectors are for connecting

the user stations, via standard microphone cable.

Pin assignments:

Pin 1: 0 V / ground shield

Pin 2: +30 V power wire

Pin 3: audio wire

8.0 TECHNICAL SPECIFICATIONS BS 181

Switch Mode Power Supply

Mains Voltage Range: 100 -240 V AC, 50-60 Hz

Output Voltage: +30 V DC (+/-5%)

Max. Output Power: 45 watts

BS 181 Dimensions & Weight

Width: 176 mm / Height:

Depth: 139 mm / Weight: 900 grams

42 mm

PAGE 3

Quick Guide BS 181 / October 2013 © ASL Intercom BV

After a period of time the unit will feel warm to the

touch. This is quite normal, and should be no

cause for alarm.

POWER LED

This LED illuminates if line power is supplied by

the internal power supply.

FUSE holder

A 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. Place the correct fuse in the

holder: T 1250 mA (for all mains voltages 100 –

240V AC)

An extra internal fuse is located on the printed

circuit board. Replace this fuse with a 4 A type

only.

MAINS INLET

IEC Mains connector.

0 dBu defined as 775 mV into open circuit.

ASL reserves the right to alter specifications

without prior notice

For safety instructions and party line concept

& cabling, see the BS 181 User Manual.

Go to www.asl-inter.com, section 'Support'

and review the referring user manual.