Ex-calibur telephone line surge protection unit with LED indication - 3 line. This will protect 3 trunk ports of PBX.
Ex-calibur telephone line surge protection unit with LED indications - 2 line. This will protect 2 trunk ports of PBX.
Ex-calibur telephone line surge protection unit with LED indication - 4 line. This will protect 4 trunk ports of PBX.
Ex-calibur telephone line surge protection unit with LED indication - 1 line. This will protect 1 trunk port of PBX.
It is a signal distribution frame or cable rack used in telephony to interconnect and manage telecommunication wiring between itself and any number of intermediate distribution frames and cabling from the telephony network it supports. To manufacture this box, our expert workforce uses best quality materials and components. It connects equipment inside a telecommunications facility to cables and subscriber carrier equipment.
Antique telephone 1.Fsk/dtmf, 30 caller id memories, call back and auto redial. 2.Last 5 outgoing number and time memories. 3.Thunder proof. 4.Local code setting. 5.Peaker phone. 6.Clock show. 7.Material:wood. Inner box size:27.8cmx23.5cmx35.6cm Outer box size:72cmx56.5cmx36.6cm
Antique telephone 1.Fsk/dtmf, 30 caller id memories, call back and auto redial. 2.Last 5 outgoing number and time memories. 3.Thunder proof. 4.Local code setting. 5.Peaker phone. 6.Clock show. Inner box: 26.7cmx20.9cmx31.1cm Outer box: 72cmx56.5cmx36.6cm
1. Match light are multiplexed lines. 800Hz telephone impedance is 800Ω ± 20%. 2 .Through two telephones on the same model, in less than 75db audio noise conditions, the communication distance up to 21 km. 3. In temperature -40 â?? (using cold battery) - +50 â?? 750 ± 30mm Hg pressure and temperature of +40 â??, relative humidity up to 98% of the reliable work environment. 4. All parts are fixed on the rack into one, along with mobile phones are loaded into the enclosure, solid structure to carry and easy to use. 5. Volume : 222*195*107mm3 ã?? 6. Weight : about2.5Kg -
1.FSK/DTMF compatible ,detected automatically. 2.Incoming/outgoing number memory 3.Auto redial/redial/recall 4.Flash time adjustable 5.Calendar 6.Anti-thunder design 7.Anti-steal dial protection others.
1.Outgoing/incoming number memory 2.Auto redial/redial/recall 3.IP number memory 4.Caller ID function 5.Caleandar time display.