Polycom Complete Hardware Installation Guide for C12 Stereo System

Hardware Installation Guide for the Polycom SoundStructure C16, C12, C8, and SR12

11	Logic Output 10		24	Logic Input 11
12	Logic Output 11		25	Ground
13	Analog Gain 1
		Remote Control 2
Pin	Signal		Pin	Signal
1	+5 V		14	Logic Input 12
2	Logic Output 12		15	Logic Input 13
3	Logic Output 13		16	Logic Input 14
4	Logic Output 14		17	Logic Input 15
5	Logic Output 15		18	Logic Input 16
6	Logic Output 16		19	Logic Input 17
7	Logic Output 17		20	Logic Input 18
8	Logic Output 18		21	Logic Input 19
9	Logic Output 19		22	Logic Input 20
10	Logic Output 20		23	Logic Input 21
11	Logic Output 21		24	Logic Input 22
12	Logic Output 22		25	Ground
13	Analog Gain 2

Audio Connections

SoundStructure devices provide balanced audio input and output connections that are terminated with 3.5 mm terminal blocks as shown in the following figure.

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

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