Providing Closed Captions For Conferences; Via A Dial-Up Connection To The Systems' Rs-232 Serial Port - Polycom VSX 3000 Administrator's Manual

Providing Closed Captions for Conferences

Captions may be provided in any language that uses the Latin alphabet.
The captioner may enter caption text using one of the following methods:
• Remotely, via a dial-up connection to the system's serial RS-232 port
• In the room using equipment connected directly to the serial port
• In the room or remotely, using VSX Web
• In the room or remotely, using a Telnet session

Via a Dial-Up Connection to the Systems' 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 VSX
system, as shown in the following diagram.
Stenograph
machine
PC with computer-aided
transcription software
To supply closed captions via a dial-up connection:
1. Ensure that the PC and the VSX system are configured to use the same
baud rate and parity settings.
2. Go to System > Admin Settings > General Settings > Serial Port and set
the RS-232 Mode to Closed Caption.
3. Establish a dial-up connection between the PC and the VSX system.
4. On the PC, start the transcription application.
5. Enter text using the stenographic machine connected to the PC.
6. To stop sending closed captions, close the transcription application.
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modem
format
Modem
Phone line
Modem
Customizing the VSX System
VSX System
RS-232
Serial
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