User`s guide

Administrator’s Guide for Polycom HDX Systems
5–10 Polycom, Inc.
Depending on the capabilities of the system, 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 the Polycom HDX web interface
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
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.
Stenograph
machine
Line 21
modem
format
PC with computer-aided
transcription software
Modem
Modem
Phone line
Polycom
RS-232
HDX System
Serial