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Allied Data Technologies
Echo damping:
> 20 dB (300-3400 Hz)
Ring detection:
sensitivity
30 Veff (23-62 Hz)
connect delay
180 ms
impedance
(300-3400 Hz)
> 10 M
Ω
(0 Hz)
capacity
< 0.1
µ
F (25 Hz)
Dial tone
detection:
sensitivity
60 mV - 2 V (340-550 Hz)
wait time
5 - 60 seconds
Tone dialling
(DTMF):
send level column
-10 dBm ± 1 dB
send level row
-12 dBm ± 1 dB
tone length
90 ms ± 5 ms
pause length
90 ms ± 5 ms
Electrical safety:
Class II