ZyXEL Communications MSC1024G Series User Manual page 1008

Appendix A PSTN Parameters by Country
Denmark
Country Code: 7,denmark
law: alaw
impedance: 300ohm_1000ohm_220nf
loop current: 25 mA
tax type: metering
Ring parameters:
frequency: 25.0 Hz
amplitude: 53.0 Vrms
onTime1: 0.75 seconds
offTime1: 7.50 seconds
onTime2: 0.75 seconds
offTime2: 7.50 seconds
Pulse parameters:
flashMin: 90 ms
flashMax: 500 ms
breakMin: 47 ms
breakMax: 80 ms
makeMin: 30 ms
makeMax: 55 ms
interDigitMin: 250 ms
Meter parameters:
frequency: 12 kHz
onTime: 200 ms
offTime: 200 ms
Caller ID parameters:
CID type: prior ring
payload type: DTMF
first TAS type: line reversal
second TAS type: NULL
first TAS interval: 300 ms
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MSC1000G/1024G/1224G Series User's Guide