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Host-Based Controller Modem Data Addendum
AT Command Set June 15, 1998
V.80 AT Commands (continued)
Lucent Technologies Inc. Version 1.0
60
Table 10. V.80 AT Commands (continued)
Command Sub-
parameters
Values Description
+ESA=[<trans_idle>[,<framed
_idle>[,,,<crc_type>[,<nrzi_en
>]]]]
trans_idle
framed_idle
crc_type
nrzi_en
0 In transparent sub-
mode, DCE transmits
marks (ones) on idle.
0 In Framed sub-
mode, DCE transmits
HDLC flags on idle.
1 In Framed sub-
mode, DCE transmits
marks (ones) on idle.
0 Disable CRC
generation and checking
1 In Framed sub-
mode, the 16 bit CRC
specified in V.42 is
generated by the DCE in
the transmit direction and
checked by the DCE in the
receive direction.
0 Disable NZRI
encoding and decoding.
+ESA?
Read Syntax command to
query the current values of the
+ESA sub-parameters
+ESA=?
Test Syntax command to
obtain all supported values of
the +ESA sub-parameters
+ITF= [<off>[, <on>]]
<off>
<on>
Determines the threshold,
in octets, above which the
DCE shall generate a flow
off signal.
Determines the threshold,
in octets, below which the
DCE shall generate a flow
on signal.
Transmit Flow Control
Thresholds. This command
allows the DTE to determine
the input buffer size in the
DCE for data on circuit 103
from the DTE, to control the
thresholds used for flow
control of such data.
+ITF=?
The DCE shall transmit a
string of information to the
DTE consisting of : ITF: (list of
supported <off> values>),(list
of supported <on> values.