Flow Control S54
The S54 register selects the flow control options.
Bit
Value
1, 0
00
\Q
01
\Q1
10
\Q2
11
\Q3
2
--
--
3
0
\G
1
\G1
4
0
\X
1
\X1
6, 5
00
\Q4
01
\Q5
10
\Q6
11
\Q7
7
--
--
* default
S55
Reserved
V.42 Compression Control S56
Bit
Value
1, 0
00
%C
01
%C2
10
%C3
11
%C1
7-2
--
--
* default
Command
Disable DTE flow control
Enable DTE XON/XOFF flow control *
Enable CTS flow control to the DTE
Enable bilateral CTS/RTS flow control
Reserved
Disable modem port flow control *
Enable modem port XON/XOFF flow control
No XON/XOFF characters to remote *
Pass XON/XOFF characters to remote
Disable flow control from DCE
Enable XON/XOFF flow control *
Enable CTS flow control to the DTE
Enable CTS flow control to the DTE
Reserved
Command
Compression disabled
Compression enabled on transmit data only
Compression enabled on receive data only
Compression enabled on transmit and receive
data *
Reserved
Description
Description
V.3400
Status Registers
10-17