ASL INTERCOM VAR12 Guia de Instalação descarregar pdf (Página 46)

VAR4 / VAR12 / VAR20 - Product Description

6.1 Audio Inputs

6.1.1 Audio Inputs

The Audio Input connections are implemented on a 9-way female D connector for each input. Each

connector provides balanced audio inputs and dedicated serial data connections for ASL Zoneable

Microphones (DMS, FMS, CMB ranges).

Pin No. Signal Description

1 AUDIO+ Balanced Audio -

2 AUDIO- Balanced Audio +

3 0V-SUPPLY 0V Supply

4 Not Connected

5 DATA DXN Microphone Data – (EIA RS485 19200 baud)

6 GND Common Ground

7 +SUPPLY +V Supply

8 Not Connected

9 DATA DXP Microphone Data + (EIA RS485 19200 baud)

DATA DXN

12345

6789

GND+SUPPLYDATA DXP

0V-SUPPLY

FEMALE

AUDIO+ AUDIO-

6.1.2 Music A+B

Music A and Music B are unbalanced stereo

inputs for background music sources using phono

connectors. The stereo signal is mixed to mono

internally.

Signal

Ground

Signal

Ground

Issue: 03 complete, approved

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ASL INTERCOM VAR12 Guia de Instalação Página 46