Specifications

Integrator’s Reference Manual for Polycom HDX Systems
3–2 Polycom, Inc.
The RS-232 port on the Polycom HDX system supports the following modes:
• Camera PTZ
• Closed Caption
• Control
• Pass-Thru
• Vortex Mixer
In Control Mode, a device (for example, a computer) connected to the RS-232
port can control the system using the API.
In Pass-Thru Mode, the operational modes of both devices’ RS-232 ports
depend on the port configuration of each device.
Starting an API Session via an RS-232 Interface
After you have verified that the Polycom HDX system and your computer or
control system are both configured appropriately, set up both devices as
follows:
1 Power off the computer or control system and the Polycom HDX system.
2 Use an RS-232 cable to connect the computer or control system RS-232
port to an RS-232 port on the Polycom HDX system as shown in the
following illustration. This connection may require the Null Modem
Adapter on page 2-56.
To connect a computer to a Polycom HDX 9006 system:
To connect a computer to a Polycom HDX 9001, Polycom HDX 9002 or
Polycom HDX 9004 systems:
3 Power on the computer or control system and the Polycom HDX system.
4 From the computer or control system, start a serial session using
HyperTerminal or another appropriate utility.
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