1
Download MSC1000G Management Switch Card User's Guide
Transcript
Appendix A PSTN Parameters by Country howler tone: 1400+2060+2450+2600Hz -3.0dB on 0.100s off 0.100s warning tone: 1400Hz -18.0dB on 0.500s off continuous confirmation tone: 400Hz -18.0dB on 0.125s off 0.125s 400Hz -18.0dB on 0.125s off 0.625s holding tone: 440+480Hz -18.0dB on 0.500s off 0.500s 350+440Hz -18.0dB on 0.500s off 2.500s Taiwan Country Code: 2,taiwan law: ulaw impedance: 600ohm loop current: 25 mA tax type: metering Ring parameters: frequency: 20.0 Hz amplitude: 53.0 Vrms onTime1: 1.00 seconds offTime1: 2.00 seconds onTime2: 1.00 seconds offTime2: 2.00 seconds Pulse parameters: flashMin: 90 ms flashMax: 500 ms breakMin: 47 ms breakMax: 80 ms makeMin: 30 ms makeMax: 55 ms interDigitMin: 250 ms Meter parameters: frequency: 12 kHz onTime: 200 ms offTime: 200 ms 792 MSC1000G User’s Guide
