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

SoundStructure

Pin

Signal

 

 

1

-

 

 

2

TX

 

 

3

RX

 

 

4

-

 

 

5

Ground

 

 

6

-

 

 

7

CTS

 

 

8

RTS

 

 

9

-

 

 

Control System

Pin

Signal

 

 

1

-

 

 

2

RX

 

 

3

TX

 

 

4

-

 

 

5

Ground

 

 

6

-

 

 

7

RTS

 

 

8

CTS

 

 

9

-

 

 

At rates at or above 38,400 bps, it is recommended that flow control be enabled on the control system. The SoundStructure device will detect the use of flow control automatically - no user adjustment is required to turn flow control on or off on the SoundStructure devices.

The maximum length of an RS-232 cable is determined by the overall capacitance of the cable. For practical purposes, the length of the RS-232 cable should not exceed fifty feet.

Making Audio Connections

SoundStructure devices provide balanced audio input and output connections that are terminated with 3.5 mm terminal blocks. 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

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Polycom SR12, C12, C16, C8 manual Making Audio Connections