m4a5a_v320_eng (14.02.2013)
- 66 -
Kompetent für Elektroniksysteme
m4a5a_v320_eng (14.02.2013)
- 67 -
Kompetent für Elektroniksysteme
Reg. Function
Reg. Function
5
th
digit: ringing threshold
0 = 10/20V
1 = 12.5/25V
2 = 15/30V
3 = 20/40V)
6
th
digit: line-in-use threshold
0 = 22.5+/-7.5
1 = 30+/-10, 2=15+/-5
3 = 2.5 (line disconnect)
NF-Delay
617 configuration NF delay telephone => radio
1
st
-
3
rd
digit: nnn * 1ms NF delay
telephone => radio
4
th
digit: compression
0 = none (max. 55ms)
1 = A-law (max. 110ms)
2 = half the baud rate (max. 110ms)
3 = A-law and half the baud rate
(max. 220ms)
VOX
618 configuration VOX radio
619 configuration VOX telephone
registers 618+619:
1
st
+
2
nd
digit: minimum level threshold
no NF => NF is present (00-99)
3
rd
+
4
th
digit: level has to be > threshold
for (00-99, nn*5ms) => NF is present
5
th
+
6
th
digit: minimum level threshold
NF is present => no NF (00-99)
7
th
+
8
th
digit: level has to be < threshold
for (00-99, nn*10ms) => no NF
NF level
620
4
th
-
8
th
digit: output level telephone => radio
(0-65536)
621
4
th
-
8
th
digit: output level radio => telephone
(0-65536)
622
4
th
-
8
th
digit: output level tone => radio
(0-32768)
623
4
th
-
8
th
digit: output level tone => telephone
(0-32768)
624
4
th
-
8
th
digit: output level pilot-tone => radio
(0-32768)
625
4
th
-
8
th
digit: output level
pilot-tone => telephone (0-32768)
652 pilot-tone decoder (from the telephone)
1
st
digit: frequency of pilot-tone filter
0 = no filter
1 = 3300Hz
2 = 3000Hz
3 = 2800Hz
4 = 3320Hz
2
nd
digit: pilot-tone recognition
decode for n*5ms until: on
3
rd
digit: pilot-tone recognition
not decoded for n*5ms until: off
4
th
-
8
th
digit: pilot-tone recognition,
min. level (0-32767)
00128 = 75mV
*2=-3dB sensitivity
/2=+3dB sensitivity
669 pilot-tone encoder (to the telephone)
2
nd
-
5
th
digit: pilot-tone frequency
1000er,100er,10er,1er Hz
6
th
digit: frequency of pilot-tone filter
0 = no filter
1 = 3300Hz
2 = 3000Hz
3 = 2800Hz
4 = 3320Hz
7
th
digit: line-filter
0 = off
1 = on (band-pass: 300-3400Hz)