
Appendix B PSTN Parameters by Country
IES-1248-51V User’s Guide
619
confirmation tone: 600Hz -24.0dB on 0.125s off 0.125s
600Hz -24.0dB on 0.125s
Spain
country code: 19, Spain
law: alaw
impedance: 270ohm_750ohm_150nf
loop current: 25 mA
tax type: metering
Ring parameters:
frequency: 25.0 Hz
amplitude: 57.0 Vrms
onTime1: 1.50 seconds
offTime1: 3.00 seconds
onTime2: 1.50 seconds
offTime2: 3.00 seconds
Pulse parameters:
flashMin: 90 ms
flashMax: 500 ms
breakMin: 47 ms
breakMax: 80 ms
makeMin: 30 ms
makeMax: 55 ms
interDigitMin: 250 ms
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