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Compaq Integrated Remote Console User Guide
Writer: Caroline Juszczak Project: Compaq Integrated Remote Console User Guide Comments: 281862-00x
File Name: C-CH02.DOC Last Saved On: 11/20/98 12:54 PM
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Modem Strings
Configure the Modem Command Strings (not required for direct connect):
1. Set the Primary and Secondary Initialization strings. These command
strings are used to initialize the modem used by IRC.
The Primary Initialization string must include the appropriate AT
command to reset the modem to a known state. Since AT command
strings can contain multiple configuration and command sub-strings,
this string can also contain additional configuration commands. (For
example, AT&F and AT&C1&D2 can usually be combined into one
command: AT&F&C1&D2.) Not all command strings can be
concatenated. For example, most modems ignore commands following
the ATZ command.
The Secondary Initialization string must include additional AT
configuration commands necessary to properly configure the modem for
use with IRC.
The configuration utility sets the Primary and Secondary Initialization
strings to “ATZ” and “AT&C1&D2,” respectively. These strings were
chosen since they generally apply to all modems. Your modem may
require different strings to operate properly. These initialization strings
must place the modem in the following state for proper operation with
Integrated Remote Console.
■ Computer to modem serial port speed:computer to modem, to fixed
(&B1 or \J0)
■ DCD serial port signal assertion to “normal” (&C1)
■ Modem responds correctly to DTR assertion (&D2)
■ Computer to modem serial port set for hardware flow control
■ Error correction enabled
Additional configuration options may be necessary if you have the modem
in the shared configuration. These settings are necessary to ensure that
Integrated Remote Console and the operating system have configured the
modem similarly. Additional configuration settings include:
■ Modem response format (numeric or verbose)