Telenetics 56 User Manual

Page 90

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AT Commands

Page 82

Command: +EB?
Response: +EB:

<break_selection>,<timed>,<default_length><CR>

Example:

+EB: 0,0,0 For default settings.

Reporting Supported Range of Parameter Values
Command: +EB=?
Response: +EB:

(<break_selection> range),(<timed> range),

(default_length> range)

Example: +EB:

(0),(0),(0)

+ESR - Selective Repeat

This extended-format numeric parameter controls the use of the selective repeat (SREJ)
option in V.42.

Syntax

+ESR=[<value>]

Decimal number 0 specifying that SREJ is not used.
Reporting Current or Selected Values
Command: +ESR?
Response: +ESR:

<value>

Example:

+ESR: 0

For default setting

Reporting Supported Range of Parameter Values
Command: +ESR?
Response: +ESR:

<value>

Example: +ESR:

(0)

+EFCS - 32-bit Frame Check Sequence

This extended-format numeric parameter controls the use of the 16-bit or 32-bit frame
check sequence (FCS) option in V.42.

Syntax

+EFCS=[<value>]

Defined Value

<value> Decimal number 0 specifying the use of the 16-bit FCS

specified in V.42.

Reporting Current or Selected Values
Command: +EFCS?
Response: +EFCS:

<value>

Example:

+EFCS: 0 For default setting.

Reporting Supported Range of Parameter Values
Command: +EFCS=?
Response:

+EFCS: (<value> range)

Example: +EFCS:

(0)

+ER - Error Control Reporting

This extended-format numeric parameter controls whether or not the extended-format
+ER: intermediate result code is transmitted from the modem to the DTE.

S95, bit 3 is reset to 0 for +ER=0 and is set to a 1 for +ER=1. The more recent setting of
+ER or S95, bit 3, and the W command setting, determines the actual error control result
code reporting (see S95 Parameter and W Command).

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