General Description
2.4. Technical
Specifications
The technical specifications of the unit are as follows:
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
+1.5%
Frequency Level (High Group)
-6 to -8 dBm
Frequency Level (Low Group)
-8 to -10 dBm
Inter-digit Pause in Tone Dialing
70 to 80ms
Fax CNG Tone Detection
1100Hz ± 38Hz
Voice Mail and Auto Attendant System Installation and Programming Manual
2-11
Summary of Contents for VoxBox
Page 1: ...VoxBox VoxBox Lite User Guide For Version 7 0 VoxBox s Oak Telecom Ltd 2005 Release 1 00 ...
Page 2: ......
Page 12: ......
Page 26: ......
Page 30: ......
Page 114: ......
Page 124: ......
Page 138: ......
Page 144: ......
Page 152: ......
Page 154: ......
Page 156: ......
Page 158: ......
Page 160: ......
Page 162: ......
Page 164: ......