亚洲少妇高清免费视频,av在线狠狠干,一区二区三区免费看,自偷欧日韩,制服丝袜在线一区,久久精品一区入口,在线毛片超碰,九久久视频精品,日韩精品爱爱

Products > 光端機(jī) > 1路/2路純電話光端機(jī)

1 channel / 2 channel pure telephone optical transceiver

Specification: 100m-1000m
Power supply: 2a-5vdc
Power specification: American / European / British
Size: 133 * 80 * 32mm
● 2-way telephone optical transceiver can transmit 2-way telephone through optical fiber. The special digital multiplex chip adopted by the equipment integrates almost all the digital logic functions in the equipment, which significantly improves the performance of the product and reduces the cost
Ben. The equipment has excellent performance, stable and reliable operation, low power consumption, high integration, small volume and easy installation and maintenance. Professional telephone module and PCM pulse code modulation technology are adopted, with clear voice quality,
The call is stable and reliable. Each voice signal has a three-level overcurrent and overvoltage protection unit, which is different from the equipment with unclear voice and unstable call produced by the channel of video optical transceiver.
● no compression, good voice quality.
● voice interface supports caller ID and provides reverse pole signal
● telephone channel: 2fxs
● ringing voltage: 75V
● ringing frequency: 25Hz
● impedance: 600 Ω
● telephone interface: RJ11
● network interface RJ45 through and cross network cable adaptation
● transmission rate 10 / 100Mbps
● optical fiber interface: FC
● optical fiber transmission distance 100m-120km
河北省| 洛南县| 凌云县| 北辰区| 东乌| 上蔡县| 忻州市| 贵德县| 长兴县| 永胜县| 西盟| 永春县| 连平县| 呼图壁县| 临安市| 灵川县| 白朗县| 韩城市| 江川县| 马关县| 济宁市| 宜宾市| 通江县| 潢川县| 长葛市| 霍林郭勒市| 正宁县| 城口县| 丹阳市| 曲松县| 龙海市| 贵德县| 会同县| 车致| 桐柏县| 张家川| 桓台县| 贡山| 黄浦区| 大石桥市| 噶尔县|