Es – error control – Westermo ID-90 User Manual

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!+ES – Error Control

This extended-format command specifies the initial requested mode of operation when the
modem is operating as the originator, optionally specifies the acceptable fallback mode of
operation when the modem is operating as the originator, and optionally specifies the accept-
able fallback mode of operation when the modem is operating as the answerer. It accepts
three numeric subparameters:

AT!+ES=[<orig_rqst>[,<orig_fbk>[,<ans_fbk>]]]

<orig_rqst>

Decimal number which specifies the initial requested mode of
operation when the modem is operating as the originator. The
options are:

0Not supported.
1

Initiate call with Normal Mode (also referred to as Buffered Mode)
only.

2

Initiate V.42 without Detection Phase. If V.8 is in use, disable
V.42 Detection Phase.

3

Initiate V.42 with Detection Phase. (default)

4

Initiate MNP.

6

Not supported.

7

Initiate Frame Tunneling Mode when connection is complete,
and Data Mode is entered.

<orig_fbk>

Decimal number which specifies the acceptable fallback mode of
operation when the modem is operating as the originator.
0

LAPM, MNP, or Normal Mode error control optional. (default)

1

Not supported.

2

LAPM or MNP error control required; disconnect if error control
is not established.

3

LAPM error control required; disconnect if error control is not
established.

4

MNP error control required; disconnect if error control is not
established.

<ans_fbk>

Decimal number which specifies the acceptable fallback mode of
operation when the modem is operating as the answerer or specifies
V.80 Synchronous Access Mode.
0Not supported.
1

Error control disabled, use Normal Mode.

2

LAPM, MNP, or Normal Mode error control optional. (default)

3

LAPM, MNP, or Direct Mode error control optional.

4

LAPM or MNP error control required; disconnect if error control
is not established.

5

LAPM error control required; disconnect if error control is not
established.

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