TC-864B |
Incoming CO Line |
Local Station(Extension) |
Expandable or not |
Capacity |
8 |
64 |
Yes |
B model capacity:CO line from 4,8,Extension from 8 to 128.
Item |
Patameter |
Power |
AC110V or AC220V 50-60Hz |
Feed Currency |
DC48V; 25mA |
Ringing Currency |
AC65v/50Hz |
DISA |
30second, 3-duration, 15s-7.5s-7.5s |
Communication path |
15 |
Extension number length |
2 to 4 digits |
Caller ID |
* Receive: Auto adapt DTMF, FSK (Bell.202) |
* Send: FSK (Bell.202) |
Dial mode |
DTMF |
Degree of Unbalance
about earth |
* 300Hz~600Hz≤40dB |
* 600Hz~3400Hz≤46dB |
Transmission Attributes |
* Extension to extension ≤1.5dB |
* Extension to extension ≤2.0dB |
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