Polycom realpresence group series Reference Guide

Using the API
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● Pass Thru Passes data to an RS-232 device, such as a serial printer or certain types of medical
devices, connected to the serial port of the far-site system. Only available in point-to-point calls. In
this mode, he operational modes of both devices’ RS-232 ports depend on the port configuration of
each device.
● Closed Caption Receives closed captions from a dial-up modem or a stenographer machine
through the RS-232 port.
● Camera Control Passes data to and from a third-party camera.
● 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.
Understanding the RealPresence Group Series RS-232
Interfaces
The serial ports on RealPresence Group 300, 310, and 500 systems are mini-DIN-8 connectors.
RealPresence Group Series 300, 310, and 500 serial port
Use an 8-pin mini-DIN to DB-9 cable such as the Polycom RealPresence Group Series Serial Cable to
connect to the RS-232 interface. The pinouts for this type of cable are listed in the following table:
RealPresence Group Series 300, 310, and 500 serial port pinouts
1725-27441-006/A
12V 6.25A
2
1

Polycom realpresence group series Specifications

General

Video Standards	H.264, H.263, H.264 High Profile
Audio Standards	G.711, G.728
Content Sharing	People+Content
Network	H.323, SIP
Security	AES encryption
Video Input	HDMI
Video Output	HDMI
Audio Input	HDMI
Audio Output	HDMI
Audio Features	Noise Reduction, Automatic Gain Control
Connectivity	Ethernet
Ports	Ethernet, HDMI
Compatibility	Microsoft Lync / Skype for Business, BlueJeans, Zoom