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KRDS
No.
Function
byte bit
3
6
Check DSR signal
7
Check DCD signal
4
0-1
Set DTR signal operation
2-3
Speaker control
4-6
Display speed when
connection is completed
and dial/busy tone is
detected.
7
Reset modem (This is set
prior to shipping.)
5
0-7
Arbitrary command regist-
6
0-7
ration area 1 (ASCII data)
7
0-7
8
0-7
Arbitrary command regist-
9
0-7
ration area 2 (ASCII data)
10
0-7
11
0-7
Arbitrary command regist-
12
0-7
ration area 3 (ASCII data)
13
0-7
14
0-7
Arbitrary command regist-
15
0-7
ration area 4
16
0-7
Command free setting
17
0
Set S register (bit 0 - 7)
S0: Automatic receive ring count
1
S6: Wait time from off hook
to dial start
2
S7: Off hook limit timer
Function
MSB
7
6
5
4
3
2
0
1
0
1
0
0
3
0
1
1
0
3
1
1
0
0
0
0
0
1
0
1
0
3
0
1
1
1
0
0
1
0
1
1
1
0
3
1
1
1
0
1
0
1
6-6
LSB
Description
1
0
off
on
off (fixed)
on
0
0
No setting
0
1
&D0
1
0
&D1
1
1
&D2
No setting
M0: Always OFF
M1: ON until communication starts
M2: Always ON
No setting
X0: No indication of communication speed
X1: Indication of communication speed; Detect no dial/busy tone
X2: Indication of communication speed; Detect dial tone
X3: Indication of communication speed; Detect busy tone
X4: Indication of communication speed; Detect dial and busy tone
No setting
No setting
No setting
&F: This is set prior to shipping.
Send ASCII data specified in this area to modem
0
No setting
1
S0=: Effective data
0
No setting
1
S6=: Effective data
No setting
S7=: Effective data
Default value
(Hexadecimal)
57
(
*
)
10
(
*
)
00
(
*
)
01
(
*
)
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