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20
TOTE-A-FAX 542
REGISTER
NUMBER
REGISTER FUNCTION
S23
Option bit mapped register
Bit 0 determines whether a request from a remote modem for
RDLB is acknowledged. The
Default is Enabled
.
(Bit 0 Set)
Bit 1
Determines speed of transmitting and receiving data
Bit 2
Determines speed of transmitting and receiving data
Bit 1
Bit 2
Speed (bps)
0
0
300
0
1
Reserved
1
0
1200
1
1
2400
Bit 3
Undefined
Bit 4
Determines the parity for transmitting and receiving data
Bit 5
Determines the parity for transmitting and receiving data
Bit 4
Bit 5
Parity
0
0
Even —
default
0
1
Space/None
1
0
Odd
1
1
Mark
Bit 6
Determines guard tone frequency
Bit 7
(Used in European applications)
Bit 7
Bit 6
Guard Tone (Hz)
0
0
Even —
default
0
1
Space/None
1
0
Odd
1
1
Undefined
S24
Not used
S25
Delay to DTR (stored in nonvolatile RAM);
default = 005
(seconds)
S26
RTS to CTS delay (synchronous mode only)