Connecting Cables to Electronics Components
40
HPSA-7100-R Series Installation and User Manual
P/N P01- 04946 Rev C
5.2.1.1.1
Audio Connections
Connections for the Audio Inputs are described below. Note that the HPSA-7100-V-KIT
is required when using a 70.7 or 100 V
RMS
Audio input.
1. Connect the external audio system’s audio output to the
Audio and Monitoring
Bridge
in accordance with the type of audio input (1/25/70.7/100 V
RMS)
as listed
below. Refer to Figure 5.5 and Figure 5.6 for the appropriate Audio In
connections to the AMB.
•
1 V
RMS:
Connect audio to
J5-3, IV AUD IN
and
J5-4, AUD RTN
. Set
the AMB audio select switch
SW1
to the 1V position.
•
25 V
RMS
:
Connect the audio to
J5-2, 25VAUD IN
of the Audio and
Monitoring Bridge and
J5-4, AUD RTN
. Set the AMB audio select
switch
SW1
to the 25 V
RMS
position.
•
70.7 and 100 V
RMS
:
The HPSA-7100-V-KIT is required when
connecting a 70.7 or 100 V
RMS
Audio In from an External Audio Source.
The 70.7 or 100 V
RMS
Audio In are connected from J3 on the HPSA-
7100-V-KIT Interface Module to the 1V
RMS
J5-3, IV AUD IN
and
J5-4,
AUD RTN
connections on the AMB. Set the AMB audio select switch
SW1
to the 1 V
RMS
position. Refer to Appendix D and the
HPSA-7100-
V-KIT Installation Instructions,
P10-00096 for detailed instructions.
The optional HPSA-7100-V-KIT MUST be installed when configuring the
system for a 70.7 or 100 VRMS Audio Input; the 70 V Audio Input to the
AMB is no longer supported.
When using the optional HPSA-7100-V-KIT, the 70 V
RMS
and the 100 V
RMS
Audio Inputs will be connected thru the J3 connector on the Interface Module
of the HPSA-7100-V-KIT to the 1 V
RMS
connection on the HPSA’s AMB.
HPSA-7100-V-KIT Installation Instructions
,
P10-00096 for detailed instructions.
Some audio systems require end of line (EOL) resistors for supervision.
Install the EOL resistors across the AUD IN and AUD RET terminals on the
AMB according to the manufacturer's instructions.
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