Sonifex DHY-04, Handbook

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43
Appendix 1 - Telephone Registers 8
Telephone Interface Register 24 - parameters
33,58,83,108,133,158,183
Name RNGV RAS
Function Ring Validation Ring Assertion Time
Value 128 = Enabled 0-63 in 2ms units (0-126 ms)
Table 8-8: Telephone Interface Register 24. (Use sum of required values)
Telephone Interface Register 26 - parameters
34,59,84,109,134,159,184
Name DCV MINI ILIM DCR
Function Tip Ring DC
Voltage Minimum
Operational
Loop Current Current
Limiting DC
Impedance
(50/800 O)
Value 0=3.1V;
64=3.2V;
128=3.35V;
192=3.5V 0=10mA;
16=12mA;
32=14mA;
48=16mA 2=Enabled
(60mA) 1=800 O
Table 8-9: Telephone Interface Register 26. (Use sum of required values)
Telephone Interface Register 30 - parameters
35,60,85,110,135,160,185
Name FULL2 ACIM
Function Enhanced Full Scale
(x2) AC Impedance
Value 16 = 2 x Full Scale
Tx/Rx See Table 4-12
Table 8-10: Telephone Interface Register 30. (Use sum of required values)
AC Impedance Setting
ACIM Value Simple Resistance Series Complex Impedance
0 600 O
1 900 O
2 270 O 750 O || 150 nF
2 275 O 780 O || 150 nF
3 220 O 820 O || 120 nF
3 220 O 820 O || 115 nF
4 370 O 620 O || 310 nF
5 320 O 1050 O || 230 nF
6 370 O 820 O || 110 nF
7 275 O 780 O || 115 nF
8 120 O 820 O || 110 nF
9 350 O 1000 O || 210 nF
10 200 O 680 O || 100 nF
11 600 O 600 O 2.16 ђ F
12 900 O 900 O 1 ђ F
13 900 O 900 O 2.16 ђ F
14 600 O 1 ђ F
15 Global Compromise Impedance Setting
Table 8-11: Telephone Interface Register 30 - AC Impedance settings.