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Administrator’s Guide for Polycom HDX Systems
10 - 4
Configuring RS-232 Serial Port Settings
The Polycom HDX 9004 provides two RS-232 serial ports.
1. Go to System > Admin Settings > General Settings > Serial Ports.
2. Configure these settings:
Setting Description
RS-232 Mode Specifies the mode used for the serial port. Available
settings depend on the Polycom HDX system model.
•Control—Receives control signals from a touch-panel
control. Allows any device connected to the RS-232
port to control the system using API commands.
• Camera PTZ—Provides control signals to a PTZ
camera.
•Closed Caption—Receives closed captions from a
captioning service using a modem, or directly from a
captioner’s computer via Telnet.
• Vortex Mixer—Provides control signals to a Polycom
Vortex mixer.
• Pass Thru—Passes data to an RS-232 device
connected to the serial port of the far-site system.
• Polycom Annotation—Provides control signals to the
Polycom Instructor™ RP.
• Interactive Touch Board—Provides control signals to
a Polycom SMART board device.
Baud Rate, Parity,
Data Bit, Stop Bit
Set these to the same values that they are set to on the
serial device.
RS-232 Flow
Control
When a Vortex is connected to an RS-232 connector on
the Polycom HDX system, set both to Hardware. This is
selectable when RS-232 Mode is set to Vortex Mixer or
Pass Thru.
Camera Control Specifies which camera to control when RS-232 Mode is
set to Camera PTZ.
Detect Camera Detects the camera specified for Camera Control.