NMS044 Reference Manual Understanding 831C SLM Connections A-7
A.3 Understanding 831C SLM Connections
The 831C SLM ships assembled with all required connections in place. This section shows
the SLM connections from Figure 2-1 on page 10 in greater detail.
There are 2 preamplifier options for the SoundAdvisor™ 831C. The PRM2103 (see Figure A-
6) is used for outdoor measurement, while the PRM831 (see Figure A-7) is most often used
for indoor measurements.
Figure A-6 Wiring Diagram for PRM2103 in the Case
Figure A-7 Wiring Diagram for PRM831 in the Case
1/4” Ground Lug
Case wall
10-pin connector
PRM2103
Anderson connector to power block
5-pin connector
SoundAdvisor Model 831C
18-pin
connector
to I/O
connector
CBL222LP-08
1.
1. If a gateway is included in your system, the CBL222LP (or CBL222) yellow On/Off trigger for
gateway power connects to the CBL223 (yellow connector) as shown in Figure 2-1 on page 10.
Case wall
5-pin connector
PRM831
5-pin connector
SoundAdvisor Model 831C
Anderson
connector
to power
block
EXCXX cable
CBL224-08
18-pin connector to I/O
connector
1.
1. When a gateway is included in the system, the yellow on/off trigger connects to the CBL223
(yellow connector).
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