PABX 308AC - Technical Index

Chapter One Technical Index
1.2 Technical Index
No
Names
Specifications
1 Capacity
Extension: 8,16,32; CO lines: 2,3,4
2
Exterior Jack
* Standard jack: CO/ Extension jack, Rj11 for connect with PC
COM port, external music jack.
3
Communicate
Channel
* 7 channels
Transmission
Attributes:
* Extension to extension 1.5dB
* Extension to trunk line 2.0dB
4
Ringing
current
* Ac65v / 50Hz
Degree of
Unbalance
about earth
* 300Hz --- 600Hz 40dB
* 600Hz --- 3400Hz 46dB
Dial mode
DTMF
Signal tone
* CO line: Tone from local telecom office;
* Internal dial tone: 450Hz, continuous sine wave;
* Internal ringback tone: 450Hz, sine wave, 1s on / 4s off;
* Internal busy tone: 450Hz, sine wave, 0.3s on / 0.3s off;
* Internal confirmation tone: 450Hz, sine wave, 1s on;
* Internal error tone: 450Hz, sine wave, 0.3s on / 0.3s off.
5
6
7
8
Caller ID
* Receive: Auto adapt DTMF, FSK ( Bell .202) ;
* Send: FSK ( Bell. 202) ;
9
Power supply
* AC220V ± 10% /12W;
10
3