Ampcontrol VAA, User Manual

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VOICECOM USER MANUAL ISSUE 4
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VAA Connections and Wiring
The VAA module has three connection headers, as shown in Figure 9 below:
1 VoiceCom communication line (4-way)
2 Speakers (4-way)
3 Battery pack (10-way)
The communication line connections are listed in table 9 and speaker connections are listed in table 10 below.
Table 9 - VAA communication line connections
NOTE: The double headed communication line plug provides for separate termination of in and out cables and allows the
communication line plug to be disconnected from the VAA module without breaking the line.
Table 10- VAA speaker connections
Terminal Function
1 + Speaker 1 positive
1 - Speaker 1negative
2 + Speaker 2 positive
2 - Speaker 2 negative
NOTE: The 4-way speaker terminal allows for the connection of two speakers. Wire length between the speakers
and the VAA module should not exceed 300mm. The connection wire must be a minimum of 0.1mm in diameter and
the wire insulation thickness must be a minimum of 0.25mm, as specified in the VAA Certificate of Conformity Aus Ex
03.3881X. Take careful note of the speaker polarity when wiring.
Terminal Function
0V 0V supply line
AUDIO Audio line
CALL Call/digital line
-VLINE Negative supply line
Figure 9 - VAA headers and communication line and speaker wiring
1
2
3
0Volts
Audio
Call
-Vline