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COMSPHERE 3800 Series Modems – Model 3830
4-24 August 1998 3830-A2-GB91-30
Table 4-2
(18 of 23)
Model 3830 AT Commands
\C
n
Error Control Negotiate Buffer
Determines if the answering modem buffers the data that it received from
the remote modem during an interval in which the modem attempts to
establish a connection using error control. Online changes to this
configuration option do not take effect until a disconnect occurs.
\C0 Disable.
\C1 Enable.
\C2 Disable and Switch. Modem automatically switches to Buffer mode if
it receives an error control fallback character (an ASCII carriage return
see %A command) during error control negotiation.
\D
n
CTS Control
Clear-to-Send (CTS) is a signal from the modem to the DTE indicating
that it can accept data from the DTE.
\D0 Forced On. Forces CTS to always ON.
\D1 Standard EIA-232.
\D2 Wink When Disconnect. CTS is turned Off for 1 to 2 seconds upon a
disconnect.
\D3 Follows DTR. The state of CTS follows the state of DTR.
\G
n
Modem to Modem Flow Control
If a modem’s buffers begin to fill due to data it is receiving from the
remote modem, but is not passing the data on to the DTE, it can issue
XON/XOFF flow control characters to the remote modem. This only
applies during Buffer mode connections where the remote modem also
has modem-to-modem flow control enabled. If Error Control mode is
enabled, flow control between the modems will happen automatically,
regardless of the setting of this configuration option.
\G0 Disable.
\G1 Enable.