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Voice Services on Media Card Installation Guide 21
March 2005 Media Card
RS-232 maintenance port
The RS-232 maintenance port provides access to the Media Card command
prompt for monitoring and maintenance purposes, such as upgrades and
debugging. This port is available at the 9-pin connector on the Media Card
Adapter CLAN, and also at the mini-DIN socket on the faceplate of the Media
Card. The serial port settings are 9600 baud, 8 data bits, 1 stop bit, no parity, and
no flow control.
Note: The maintenance port should only be accessed by one of the above
connections at a time.
Connecting the Media Card to a modem
To provide remote access to the Command Line Interface (CLI) for support and
remote maintenance, you can connect a modem to the serial port of the Media
Card.
To set up a working interface
1 Use a standard serial cable and establish communication with the modem
from a PC with the following settings: 9600 baud, 8 data bits, 1 stop bit, no
parity, and no flow control.
2 Ensure that a Hayes compatible modem is used. From the command line,
type
AT , and then press Enter.
3 When the OK prompt appears, enter the required settings from the table
below:
4 Connect the modem to the Media Card, using the 9-pin connector on the
Media Card Adapter (L-adapter).
Setting Action
ASSO=1<return> set to auto-answer on first ring
ATQ1 <return> disable result codes
ATE0<return> disable local echo
AT&W0<return> save settings