
Customizing Modem Lines
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Modifying the ARN Internal Modem Configuration
Using the BCC or Site Manager, you can modify the configuration of the
V.34
Modem Adapter module that can be installed in the
ARN.
Selecting a Modem Type and Specifying an Initialization String
To set the modem type for any dial-up interface, for asynchronous interfaces using
Hayes signaling, you can specify a particular modem for your network.
Asynchronous interfaces are on the AN, ASN, and ANH (using the Dual Sync net
module); ARN (using any serial expansion module); and BLN and BCN
(using the
Octal Sync link module). For more information, see Chapter 5, “Implementation
Notes for All Dial Services.”
When you select a modem from the list, the AT initialization string is set
automatically, as well as the speaker volume, speaker control, and number of rings
to answer. (You can modify these default settings.) If your modem is not on the
list, you can configure a custom modem and AT initialization command. The AT
initialization command is required for custom modems. Appendix E lists the AT
initialization commands for the ARN. Your modem may use a different set of
commands; see the manual for your modem.
Entering an invalid command may disable the modem. If the modem does not
initialize, you may need to change the asynchronous baud rate.
For more information about modem commands, see
Configuring WAN Line
Services
.
Using the BCC
To set the modem type, navigate to the modem prompt and enter:
modem-type
0
The value 0 specifies a custom modem.
For example:
modem/3/3#
modem-type 0
After you specify a custom modem, you must enter a modem initialization string.
To configure a modem initialization string, configure the
init-string
parameter.
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