Phone Bill Calculator

Product Introduction:

Phone Bill Calculator is provided by Shenzhen WS Communication Technology Co. Ltd,a major Telephone Accessories supplier in Broadcast & Telecom wholesale industry in China.You can check out the specification of Phone Bill Calculator below or get any optional result clicking into the following keywords and you can check the authentications and testimonials of Phone Bill Calculator .

Description:
LCD screen which can simultaneously display four talk channels' bills information Auto-check rate and parameters function More than one charge modes, such as polar reversal signal, compelling charge, delay charge Common phone management system Lightning protection, preventing high-voltage and static electricity High brightness backlight (optional) Spare power supply (optional). The spare power supply can guarantee that the device normally work <li. when the local power supply is cut down With these features, WS-U504 can provide user-friendly functionality, can meet different <li. customers' needs, and is suit to different charge standards in different areas Plug the 6P crystal connector of the 4k-marked data cable (green) into the COM port of the calculator Connect the green data cable with the white one through the series ports Plug the 4P crystal connector of the white data cable into the bottom port of the display Connect the displays in series with the double connector lines each Five groups of jumpers show when you open the bottom cover of the display Pull out the relevant jumpers according to the manual Information from the calculator and the bills can not be displayed if the jumpers pulled out incorrectly