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Crestron CNX-PBAR4 Professional Balanced Audio Receiver
CNX-PBAR4 Simplified Functional Diagram
LEFT
RIGHT
AUDIO OUT
RCA
RCA
Unbalanced
1+ 2- 3+ 6- 4+ 5- 7+ 8-
1+ 2- 3+ 6- 4+ 5- 7+ 8-
OUTPUT
INPUT
CNXRMCLV
1+ 2- 3+ 6- 4+ 5- 7+ 8-
1+ 2- 3+ 6- 4+ 5- 7+ 8-
INPUT OUTPUT
CNX-BIPAD8
RJ45
IN
Converter
RJ45
OUT
CNX-PBAR4
(One of Four Channels)
Buffer
Buffer
Buffer
Buffer
Converter
Balanced
Audio In
L+
R-
R+
L-
L+
R-
R+
L-
L+
R-
R+
L-
L+
R-
R+
L-
Industry Compliance
As of the date of manufacture, this unit has been tested and found to comply with
specifications for CE marking and standards per EMC and Radio Communications
Compliance Labeling (N11785)
NOTE: This device complies with part 15 of the FCC rules. Operation is subject to
the following two conditions: (1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may
cause undesired operation.
Setup
Rack Mounting
WARNING: To prevent bodily injury when mounting or servicing this unit in a
rack, take special precautions to ensure that the system remains stable. The following
guidelines are provided to ensure your safety:
When mounting this unit in a partially filled rack, load the rack from the bottom
to the top with the heaviest component at the bottom of the rack.
If the rack is provided with stabilizing devices, install the stabilizers before
mounting or servicing the unit in the rack.
Operations Guide – DOC. 8183 Professional Balanced Audio Receiver: CNX-PBAR4 • 5