AT Command Set

\Xn XON/XOFF Pass Through

\X0 Modem processes XON/XOFF flow control characters locally (default).

\X1 Modem processes and passes XON/XOFF flow control characters.

Result Codes

OK

n = 0, 1

ERROR Otherwise

-Cn Data Calling Tone

Data Calling Tone is a tone of certain frequency and cadence as specified in V.25 which allows remote Data/FAX/Voice discrimination. The frequency is 1300 Hz with a cadence of

.5 s on and 2 s off.

-CODisabled (default).

-C1Enabled.

Result Codes

OK

n = 0, 1

ERROR Otherwise

1–40

Lucent/Agere Command Set (Advanced Users Only)

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HP 3020US, 3016US, 3017CL, 3015CA, 3005US, 3008CL, 3019CL, 3028CL, 3050US, 3077WM Xn XON/XOFF Pass Through, Cn Data Calling Tone

3045US, 3028CL, 3020US, 3016US, 3015CA specifications

The HP 3019CL, 3017CL, 3050US, 3008CL, and 3080US are a series of printers developed by Hewlett-Packard (HP) aimed at delivering high-quality printing solutions for both home and office environments. Each model within this diverse lineup possesses a unique set of features tailored to meet the specific demands of users.

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