Mounting Instructions

Install internal components
Digital audio matrix PC2003-A1
6
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A6V10430579_en--_b
6.3.13 Connect 100 V audio backup input
The digital audio matrix PC2003-A1 provides 4x 100 V audio backup inputs
connectors ('B1' to 'B4') at the rear of the housing.
The PC2003-A1 switches to the backup amplifier in case of an amplifier fault.
Fig. 37: PC2003-A1 100 V audio backup input connection
100 V audio backup input connectors - 'B1' to 'B4'
Pin
Description
Remark
1
In +
Backup amplifier input +
2
In -
Backup amplifier input -
Table 23: PC2003-A1 100 V audio backup input connectors - 'B1' to 'B4'
Connect backup amplifier - 'B1' to 'B4'
The PC2003-A1 supports 1-channel backup to 4-channel backup.
● 1-channel backup: 1 backup amplifier supports up to 4 regular amplifiers
● 2-channel backup: 2 backup amplifiers support up to 4 regular amplifiers
● 4-channel backup: 4 backup amplifiers support up to 4 regular amplifiers
Connector
1-channel backup
2-channel backup
4-channel backup
B1
Connect backup amplifier 1
Connect backup amplifier 1
Connect backup amplifier 1
B2
Bridge to B1
Bridge to B1
Connect backup amplifier 2
B3
Bridge to B2
Connect backup amplifier 2
Connect backup amplifier 3
B4
Bridge to B3
Bridge to B3
Connect backup amplifier 4
Table 24: PC2003-A1 100 V audio backup amplifier connection
Bridge in parallel B2 In+ to B1 In+ and B2 In- to B1 In- and so on.
1
A1 A2 A3 A4
1 1 1
1 1 1 1
B1 B2 B3 B4