Product data

USRobotics
Command Reference
Data Command Set - 59
<max_codewords_rx>
Decimal number from 256 to 2048 that specifies the maximum
number of codewords which should be negotiated in the receive
direction. (Default = 2048.)
<max_string_tx>
Decimal number from 32 to 255 that specifies the maximum
string length to be negotiated in the transmit direction. (Default =
32.)
<max_string_rx>
Decimal number from 32 to 255 that specifies the maximum
string length to be negotiated in the receive direction. (Default =
32.)
<max_history_tx>
Decimal number from 2048 to 4096 that specifies the maximum
size of the history buffer to be negotiated in the transmit direction.
(Default = 4096.)
<max_history_rx>
Decimal number from 2048 to 4096 that specifies the maximum
size of the history buffer to be negotiated in the receive direction.
(Default = 4096.)
Reporting Current or Selected Values
Command: +DS44?
Response: +DS44:<direction>,<compression_negotiation>,<capability>,
<max_codewords_tx>,<max_codewords_rx>,<max_string_tx>,
<max_string_rx>,<max_history_tx>,<max_history_rx>
Example:+DS44:3,0,0,2048,2048,32,32,4096,4096 For the default setting.
Reporting Supported Range of Parameter Values
Command: +DS44=?
Response: +DS44:(list of supported <direction> values),(list of supported
<compression_negotiation> values),(list of supported
<capability> values),(list of supported <max_codewords_tx>
values),(list of supported <max_codewords_rx> values),(list of
supported <max_string_tx> values),(list of supported
<max_string_rx> values),(list of supported <max_history_tx>
values),(list of supported <max_history_rx> values)
+DR - Data Compression Reporting
This extended-format numeric parameter controls whether or not the extended-
format "+DR: " intermediate result code is transmitted from the modem to the DTE
(see and Table 3-14).