Pabx Exchange

Specifications

1. Built-in 3S management software, which set the user control, program setting and modifying, billing system functions as one of the three in one software;

2. Can be connected with as much as 12 key phones, both key phone and ordinary telephone can set program. It is conveninent to control the Co lines and Exts by key phone;

3. Built in Caller ID display function both in Co Lines and Exts;

4. Relay chain function, external number is too much to record, this function can make all the exterior number into a number, you only need to publish a phone number. When the exterior line is not all occupied, outside calls can get through to enter, so, you do not have to worry about the outwire infiltrate often be busy . In order for this function, you should go to the local bureau to apply for unconditional transfer function for the number publishing;

5. Several Class of Services, which can make some limitation on any extentions for some calling in or out, it all depends on you;

6. Make China Telecom, China Unicom, China Netcom, China Jitong, input the IP card account, password one-time to the switching system. When dialing long distance call, system will go through IP Economical Routing automatically. It is very easy to operate, as well to save money at most;

7. 255 group passwords, It is convenient to distribute the passwords to the management so they can call out with their passwords at any extension;

8. Built in Double Road four section computer operator, convenient for the user at different working mode;

9. PA paging and transfer function, background music can be set;

10. Backup battery interface: system battery backup interface to ensure the normal working of the whole system  when power off.

11. Can be connected with billing system, and prepaid for the call charge.

12. including all the basic functions other exchanges have.

 IV.SPECIFICATION
Power Specification
Power supply voltage: 110VAC or 220 VAC,50/60 Hz
Maximum power consumption: 80W(5A) 
Cross-talk attenuation: >70db
Operating temperatures: 0°C to 45°C (32°F to 113°F)
Operating humidity: 10% to 95% without condensation
Feature phone: Maximum 100m(2 pairs twisted wire 0.5@)
Single line phone: Maximum 1,000m(1 pair twisted wire 0.5@)
Connect with PC, connecting length:<30m

(1)Source of music:
Input impedance:600Ω

Input audio level:025Vpp-1Vpp
(2)Sound amplification output:
Output impedance:600Ω
Output audio level:025Vpp-0.4Vpp
(3)Battery backup supply:24VDC/7Ah