Polycom VSX Series - Manual (Page 149)

Customizing the VSX System
4 - 59
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.
To supply closed captions via a dial-up connection:
1. Ensure that the computer 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 computer and the VSX
system.
4. On the computer, start the transcription application.
5. Enter text using the stenographic machine connected to the computer.
Stenograph
machine
Line 21
modem
format
PC with computer-aided
transcription software
Modem
Modem
Phone line
VSX System
RS-232
Serial