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Installation and Programming Manual
D-1
APPENDIX D
SPECIFICATIONS
DC Power Supply
9VDC/800mA
Line Voltage
24 to 72VDC
DC Leakage Current
> 10
µ
A
On-hook Insulation Resistance between
Line Terminal and
the Ground
0 to 100VDC > 5M
Ω
100 to 200VDC > 30K
Ω
500 VAC/50Hz > 20K
Ω
100 VAC/25Hz > 100K
Ω
Ring Capacitor
0.47
µ
F ± 10%
On-hook Impedance
@ 50VDC, 40 VAC/25Hz > 3000
Ω
Ring Detect
27 to 100VAC/16 to 60Hz
DC Resistance
(off-hook)
24 to 66VDC @ 20 to 100mA 100 to 350
Ω
Impedance
(off-hook)
300 to 3400Hz 500 to 700
Ω
Imbalance Ratio
300 to 3400Hz > 46dB
Return Loss
300 to 3400Hz
>
18dB
Current during Break
<
700
µ
A
DTMF Transmission:
Frequency
Tolerance
Frequency Level (High Group)
Frequency Level (Low Group)
+1.5%
-6 to -8dBm
-8 to –10dBm
Inter-digit Pause in Tone Dialling
70 to 80ms
Fax CNG Tone Detection
1100Hz ± 38Hz