Synxcom SM9234D, User Manual

Page: 94 / 216

AT Commands
Page 94
Reporting Current or Selected Values
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).