Thirty-four with a small telephone exchange 

 Outside of the switches can extend into three telephone extension 32, allowing the use of all the extensions at the same time without disturbing each other. 
 Call quality is not outside the distance limit, no matter how many extensions do not access the bureau would have any impact. 
 Extension can be telephones, fax machines, answering machines and computers and any other telecommunications products, the inherent extension 
 Function is still valid. This switch provides two kinds of computer and manual shift mode, shift mode, your computer 
 Can be your own telephone number, name or unit name of the input switch, suggesting that foreign, to establish a corporate image, 
 Improve efficiency, savings in staff costs purposes. Improved anti-jamming, anti-theft fight lightning, and performance 
 180-volt power supply to meet the range of up to 240 volts, to adapt to harsh environments. Beautifully thin design, with a variety of 
 Working status indicator, so that it elegant, second to none. 
 The exchange functional, high reliability, low power consumption, small size, light weight, machine equipped with self-diagnosis 
 Systems and strong external electrical interference such as automatic recovery of protective devices, with a strong environmental adaptability. Therefore, 
 This type of switch is the domestic enterprises, oil fields, mines, docks, hotels, hostels, hospitals, schools, 
 Units, residential buildings and other places of the ideal residential area of ??communications equipment. Since the machine low power consumption, the use of a UPS, 
 Inverter voltage equipment, but also in rural and remote areas to adapt to frequent power outages or other conditions without electricity use. The switch 
 Powerful, high performance, easy to use, the telephone is the unit ideal expansion device.