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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> SystemsConfiguring the RS-232 InterfaceIf you use the API with a serial connection, make sure that the RS-232interfaces of the <strong>Polycom</strong> <strong>HDX</strong> system and your computer are configuredappropriately.To access the RS-232 settings on your system, select System > Admin Settings> General Settings > Serial Port.Configure the Baud Rate and RS-232 Mode options as follows:OptionConfigure this way on yourcomputerConfigure this way on the<strong>Polycom</strong> <strong>HDX</strong> systemBaud RateMust be the same rate <strong>for</strong> both devices. Available rates are:960014400192003840057600115200RS-232 Mode — ControlThe RS-232 port on the <strong>Polycom</strong> <strong>HDX</strong> system supports two modes: Controland Pass-Thru.In Control Mode, a device (<strong>for</strong> example, a computer) connected to the RS-232port can control the system using the API.In Pass-Thru Mode, the operational modes of both devices’ RS-232 portsdepend on the port configuration of each device.Starting an API Session via an RS-232 InterfaceAfter you have verified that the <strong>Polycom</strong> <strong>HDX</strong> system and your computer areboth configured appropriately, set up both devices as follows:1. Power off the computer and the <strong>Polycom</strong> <strong>HDX</strong> system.2. Use an RS-232 cable to connect the control system or computer RS-232port to an RS-232 port on the <strong>Polycom</strong> <strong>HDX</strong> system as shown in thefollowing illustration. This connection may require the null modemadapter 1517-21577-001 on page 2-41.IOIOIO3 - 2

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