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Integrator's Reference Manual for Polycom HDX ... - 1 PC Network Inc

Integrator's Reference Manual for Polycom HDX ... - 1 PC Network Inc

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Integrator’s <strong>Reference</strong> <strong>Manual</strong> <strong>for</strong> <strong>Polycom</strong> <strong>HDX</strong> SystemsThe DB-9 male connector on the <strong>Polycom</strong> <strong>HDX</strong> system has the followingconnections.PinSignal1 Not used2 Rx3 Tx4 DTR (tied to pin 6, DSR)5 GND6 DSR (tied to pin 4, DTR)7 RTS8 CTS9 Not usedMost devices which connect to the serial port to control the <strong>Polycom</strong> <strong>HDX</strong>system via the API only require pins 2, 3, and 5. For more in<strong>for</strong>mation and toverify the proper cabling, refer to the documentation <strong>for</strong> your control system.2 - 40

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