Polycom HDX 7000 Series User Manual

Administrator’s Guide for Polycom HDX Systems
5–12 Polycom, Inc.
Via a Dial-Up Connection to the System’s RS-232 Serial Port
Closed captioners can provide captions from inside the conference room, or
from a remote location, via a dial-up connection to the serial port of the
Polycom HDX 9000 series, Polycom HDX 8000 series, or Polycom HDX 7000
series system, as shown in the following diagram.
To supply closed captions via a dial-up connection:
1 Ensure that the computer and the Polycom HDX system are configured to
use the same baud rate and parity settings.
2 Do one of the following:
— In the local interface, go to System > Admin Settings > General
Settings > Serial Port (select if necessary).
— In the web interface, go to Admin Settings > General Settings >
Serial Port.
3 Set the RS-232 Mode to Closed Caption.
4 Establish a dial-up connection between the computer and the Polycom
HDX system.
a Connect a null modem adapter to the RS-232 serial port.
b Connect an RS-232 cable to the modem and to the null modem
adapter.
Stenograph
machine
Line 21
modem
format
PC with computer-aided
transcription software
Modem
Modem
Phone line
Polycom
RS-232
HDX System
Serial
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Polycom HDX 7000 Series Specifications

General

Content Sharing	H.239, People+Content
Microphone	Polycom HDX Microphone Array
Network Protocols	H.323, SIP
Data Standards	H.239
Video Outputs	2 x DVI-I
Operating Temperature	0°C to 40°C (32°F to 104°F)
Video Standards	H.264, H.263, H.261
Video Resolution	Up to 1920 x 1080
Audio Standards	G.711, G.722.1, G.729A
Camera	Polycom EagleEye Camera
Connectivity	Ethernet, ISDN
Video Inputs	DVI-I
Audio Inputs	RCA
Audio Outputs	RCA
Network Interfaces	10/100/1000 Ethernet
Power Supply	100-240V AC, 50/60Hz