AT&T 585-300-903 manual ATI2, 6EIA RS-232 Cabling

8-6EIA RS-232 Cabling

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The modems used for switched RS-232 networking may be one of the following modems that can run Microcom Networking Protocol (19.2 MNP) or non-MNP modes. The non-MNP modes will have a fixed rate of 9600 bps. To confirm a modem version, connect a 9600 bps terminal to the modem and enter one of the Hayes commands listed below (the result is listed below the command in each case).

∙For an AT&T 2296A, enter the following:

— ATI0 RETURN

ID:961

—ATI1 RETURN

version:243

—ATI2

RETURN

checksum:OK

All 2296A modems must have at least a 140C memory module.

∙For an AT&T Paradyne 3820, enter the following:

—ATI0

RETURN

ID:144

—ATI1

RETURN

version:212

—ATI2

RETURN

checksum:OK

∙For an AT&T Paradyne DM424, enter the following:

—ATI0

RETURN

ID:960

—ATI1

RETURN

version:0626/0403

—ATI2

RETURN

checksum:0454

∙For a MICROCOM QX 3296/C, enter the following:

— ATI0 RETURN

ID:960

—ATI1 RETURN

version:010f1

—ATI2

RETURN

checksum:OK