Country
Codes Tables
Table B–1. Country Code Settings—USA, Australia 1 and 2, and Germany
Parameters
Min. Flash Hook (ms)
Max. Flash Hook (ms)
Ring Frequency (Hz)
Receive Gain (dB)
Transmit Gain (dB)
Ref/Input Impedance
(Ohms)
Load Impedance
(Ohms)
Table B–2. Country Code Settings—France, ETSI, United Kingdom, and Belgium1
Parameters
Min. Flash Hook (ms)
Max. Flash Hook (ms)
Ring Frequency (Hz)
Receive Gain (dB)
Transmit Gain (dB)
Ref/Input Impedance
(Ohms)
Load Impedance
(Ohms)
2000-A2-GB20-10
This appendix specifies the settings for each country code setting
supported by the IAD. When you select a specific country mode, the
values are set automatically.
USA
Australia1
300
40
1550
140
20
25
-2
0
-4
-7
600
200 + (820 // 120nF)
600
200 + (820 // 120nF)
France
ETSI
90
90
130
130
50
25
-1.9
0
-8.9
-7
220 + (820 //
270 + (750 //
115nF)
137nF)
600
270 + (750 //
137nF)
- 252 -
Australia2
Germany
40
90
140
130
25
25
0
0
-7
-7
600
220 + (820 // 115nF)
600
220 + (820 // 115nF)
United
Belgium1
Kingdom
90
90
130
130
25
25
1
0
-6
-7
300 + (1000 //
150 + (830 //
220nF)
72nF)
370 + (620 //
150 + (830 //
310nF)
72nF)
February 2004