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Capacity: CO Lines = 8
Extensions = 8 to 128
Exterior sockets: Extension / C.O line Port, PC network Port, Audio Input/ Output Port,
External Music Port, Voice Recorder Port, Broadcast Port
Communication Channels: 15
Transmission Attributes: Extension to Extension
1.5dB;
Extension to Trunk line
2.0dB;
Ringing Current = 65V/50Hz;
Feeding Curren = 48V-60V/25mA;
Relative Unbalance Against Ground: 300Hz-600Hz
40dB;
600Hz-3400Hz
46dB;
Dialing Mode: DTMF
Receiving Frequency:
Signal Tone:
CO Line: Tone from Local Telephone Company;
Internal Dialing Tone: 450Hz, Continuous Square Wave;
Internal Ringing Tone: 450Hz, square wave, 1 second on and 4 seconds off;
Internal Busy Tone: 450Hz, square wave, 0.3 second on, 0.3 second off;
Internal Verify Tone: 450Hz, square wave, 1 second on;
Internal Error Tone: 450Hz, square wave, 0.3 second on, 0.3 second off ;
Power Supply: AC220V 10%
Limited Range = 88~260V
Power consumption:
50VA
Audio Input Voltage level = 1 Vrms
Impedance =10K
Audio Output Voltage level = 200 Vrms
Impedance = 1K
Voltage of Back-up Battery = 48V
Charge Current 100mA
Voltage of Voice Recorder Control: 48V/10V
In Point Environment:
Temperature: 32F-104F(0 C-40 C);
Relative humidity
90%
3 TECHNICAL INDEX
Содержание CRS-1XB
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