Polycom SoundStructure C16 Design Manual page 530

1
For each balanced analog input or output on the SoundStructure rear-panel, the first pin should be
connected to the positive signal, the second pin is connected to the negative signal, and the third pin is
chassis ground as shown in the balanced audio connections in the following figure. To connect the
SoundStructure device's audio input and output to other balanced or unbalanced audio equipment, follow
the wiring convention in the unbalanced audio connections in the following figure.
Polycom, Inc.
2 1
1 2
3
3
XLR Female
XLR Male
Balanced Audio Connections
S
T S
T
T S T S
S S
T T
Unbalanced Audio Connections
T R S
S
R
T
T S
S
T
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