ZyXEL Communications IES-1248-51 Guía de usuario Pagina 605

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Appendix B PSTN Parameters by Country
IES-1248-51V User’s Guide
605
ROH tone: 1400+2060+2450+2600Hz 3.0dB on 0.100s off 0.100s
warning tone: 480+620Hz -24.0dB on 0.250s off 0.250s
480+620Hz -24.0dB on 0.250s
confirmation tone: 600Hz -24.0dB on 0.125s off 0.125s
600Hz -24.0dB on 0.125s
Belgium
country code: 4, Belgium
law: alaw
impedance: 270ohm_750ohm_150nf
loop current: 25 mA
tax type: metering
Ring parameters:
frequency: 25.0 Hz
amplitude: 53.0 Vrms
onTime1: 1.00 seconds
offTime1: 3.00 seconds
onTime2: 1.00 seconds
offTime2: 3.00 seconds
Pulse parameters:
flashMin: 90 ms
flashMax: 500 ms
breakMin: 47 ms
breakMax: 80 ms
makeMin: 30 ms
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