ML7012 datasheet(13/22 Pages) OKI

13 / 22 page

FEDL 7012-04-01

1Semiconductor

ML7012-04

13/22

CMD

Style

Function

Initial Value

Note

AT&Tn

Controls the loop back test mode.

n = 0: None

n = 1: Starts local analog loop back test (ALB)

n = 2, 3: None

n = 4: Responds to the RDL test requirement

n = 5: Does not respond to the RDL test requirement

n = 6: Starts remote digital loop back test (RDL)

n = 7: Starts RDL self-diagnostic test.

n = 8: Starts ALB self-diagnostic test.

—

AT%En

Selects automatic re-training function due to poor incoming

conditions of the receive section.

n = 0: Automatic re-training is invalid.

n = 1: Automatic re-training is valid.

AT\Ln

Checks the line type and displays the result.

n = 0: Checks PBX or direct line.

n = 1: Checks pulse or tone line.

—

AT\Nn

Selects data control mode.

n = 0,1: Selects normal mode (without error correction).

n = 2-5: None

n = 6: Selects reliable mode. Disconnects the line when

MNP connection is not available.

n = 7: Selects auto-reliable mode. Connects in normal mode

when MNP connection is not available.

AT\Qn

Selects the flow control between DTE and modem.

n = 0: No flow control

n = 1: None

n = 2: None

n = 3: Bi-directional control by CTS/RTS

AT\Vn

Selects extended result code.

n = 0: Displays the normal result code.

n = 1: Displays the result code with the mode of the MNP

connection.

n = 2, 3: None

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