External Modem User's Manual
36
bit 3 (V)
0
Numeric.
1
Verbose.
bit 4,5 (&P)
00
39/61 make to break ratio/10pps
01
33/67
make
to
break
ratio/10pps
10
39/61
make
to
break
ratio/20pps
11
33/67
make
to
break
ratio/20pps
bit 6(P or T)
0
T (Tone dial).
1
P (Pulse dial).
bit 7
0
Answer mode.
1
Originate mode.
S21
Bit Mapped Options
Bit Value Description
bit 0 [RESERVED]
bit 2 0
&R0
.
1
&R1.
bit 3,4 00
&D0.
01
&D1
.
10
&D2
.
11
&D3
.
bit 5 0
&C0
.
1
&C1
.
bit 6 0
&S0
.
1
&S1
.
S22
Bit Mapped Options
Bit Value Description
bit 0,1 00 Select
L0
.
01 Select
L1
.
10 Select
L2
.
11 Select
L3
.
bit 2,3 00 Select
M0
.
01 Select
M1
.
10 Select
M2
.
11 Select
M3
.
bit 4,5,6 000 Select
X0
.
001 Select
X1
.
010 Select
X2
.
011 Select
X3
.
100 Select
X4
bit 7 [RESERVED]
S23
Bit Mapped Options
Bit
Value Description
Bit 0,1,2,3
0000 Communications rate = 300 bps.
0001 Communications rate = 600 bps.
0010 Communications rate = 1200 bps.
0011 Communications rate = 2400 bps.
0100 Communications rate = 4800 bps.
0101 Communications rate = 9600 bps.
0110 Communications rate = 19200 bps.
0111 Communications rate = 38400 bps
1000 Communications rate = 57600 bps
1001 Communications rate = 115200 bps
bit 4,5
00 Even parity.
01 None parity.
10 Odd parity.
11 Mark parity.
bit 6,7
00
&G0
.
01
&G1
.
10
&G2
S25
Delay to DTR