Hardware Installation Guide for the Polycom SoundStructure C16, C12, C8, And SR12
have an RJ45 plug
LAN 
PIN 2: TXD |
PIN 3: RXD |
PIN 5: GROUND |
PIN 7: CTS |
PIN 8: RTS |
IN OBAM OUT | IR 12V |
R
R
C-LINK2
Warning Connecting a Conference Link2 cable to the Ethernet interface could damage the connecting device and/or the SoundStructure device.
Using the supplied 18” Conference Link2 cable, connect one Conference Link2 port on the SoundStructure device to a Polycom microphone Input port on the Polycom HDX system as shown in the following figure. If there are multiple SoundStructure devices linked together with OBAM Link, only one SoundStructure device should be connected to a Polycom HDX system.
LAN 
PIN 2: TXD
PIN 3: RXD
PIN 5: GROUND
PIN 7: CTS
PIN 8: RTS
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| IN OBAM OUT |
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| IR 12V | |||||||||||||
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REMOTE CONTROL 1
REMOTE CONTROL 2
Warning A CAT5e cable that is terminated with standard T568A or T568B pin/pair assignments will not work with Conference Link2. The Conference Link2 pinout is different from T568A or T568B pin/pair termination.
Do not use a standard Ethernet cable to connect SoundStructure to a Polycom HDX system.
If a longer Conference Link2 cable is required, one may be constructed using the custom pinout (see Conference Link2) and standard 8P8C (eight positions, eight conductors, e.g., RJ45) connectors, shielded Cat5e cable or better, and standard 8P8C crimping tools. Note that the maximum length between the Polycom HDX codec and the SoundStructure device is one hundred feet (30m).
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