Soft Switch: #35 - NEC NEFAX 671 Service Manual

(35) SOFT SWITCH: #35

Bit
Designation
No.
8
Dial tone table
switch time
7
6
5
Dial tone frequency
upper range index
4
3
2
Dial tone frequency
Low range index
1
Function
Time 300 ms 600 ms
Bit 8 0 0
Bit 7 0 1
Frequency 375Hz to 310Hz to
range 462Hz 380Hz
Bit 6 0
Bit 5 0
Bit 4 0
Frequency 570Hz to 300Hz to
range 630Hz 370Hz
Bit 6 0
Bit 5 1
Bit 4 1
See Bit 1 to 3
(This upper range value must be higher than
lower range value that defined in bit 1 to 3)
Frequency 375Hz to 310Hz to
range 462Hz 380Hz
Bit 3 0
Bit 2 0
Bit 1 0
Frequency 570Hz to 300Hz to
range 630Hz 370Hz
Bit 3 0
Bit 2 1
Bit 1 1
S-136
Initial
Setting
Bit HEX
1
1 sec 2 sec
1 1
0
0 1
9
0
462Hz to
1
580Hz
0 0
0 1
1 0
Reserved
1 1 1 1
0
0 0 1 1
0 1 0 1
0
0
462Hz to
0
580Hz
0 0
0 1
1 0
Reserved
0
1 1 1 1
0 0 1 1
0 1 0 1