Code
Bits
L7
N0
(3,2,1)
N1
N2
N3
N4
N5
N6
N7
S25 DTR detection delay;
Default: 0:
Specifies in units of 10ms the minimum time that the DTR signal must
be OFF in order to be detected. If S25=0, the delay time is 4ms.
S26 RTS/CTS delay;
Default: 0:
Sets the delay, in 10 millisecond units, between RTS and modem's
CTS response in synchronous mode. (See &Rn)
S27 Bit-mapped register; default: 156:
Code
Bits
*Q0
(7,6)
*Q1
*Q2
*Q3
&H0
(5,4,3)
&H1
&H2
&H3
&H4
&H5
&K0
(2,1,0)
&K1
&K2
Bin.
Dec. Description
111
224
High.
000
0
Ring volume control: OFF
001
2
Low.
010
4
011
6
100
8
Medium.
101
10
(Default)
110
12
111
14
High.
Bin.
Dec. Description
00
0
No reaction to poor signal quality.
01
64
Initiates retrain if signal quality is poor. (See
also S41b2)
10
128
Adaptive rate (auto fall-back and fall-forward
when signal quality changes; default)
11
192
Disconnects when signal quality is poor.
000
0
Flow control is disabled.
001
8
Reserved.
010
16
Reserved.
011
24
Hardware CTS/RTS flow control. (Default)
100
32
Software XON/XOFF flow control.
101
40
Reserved.
000
0
No error correction.
001
1
MNP4 (Includes MNP3, see also S41b0).
010
2
MNP4 + MNP5. (See also S41b0, S38b5)
8–12