包括发射器和接收器单元
通过附件直接线检查Rj45，Rj11等类型
检查开路/短路和线路顺序
测试设备用于UTP和STP接线
允许一个人测试T568A，T568B，10Base-T和令牌环
检查开路，短路，反转，错接线和分裂的网线对
判断电缆或电线的连续性
识别工作电话线的状态（清除/振铃/忙）
检测开关连接情况
电话线直流电平测试
安全性符合IEC1010-1。 III 600V

技术规格
音频：2k / 3kHz
接收器：9Vx1,6F22,241.5x78x38.5mm，263g约。
发射器：1.5Vx6，AAA尺寸; 190x89x42.5mm，370g约。

Includes an emitter and a receiver unit
Direct wire check with Rj45, Rj11 and other type through the attachment
Check open/short circuit and line sequence
Test device used with UTP and STP wiring
Allow one person to test T568A, T568B, 10Base-T and Token Ring
Checks for open circuits, shorts, reversals, miswires and split pairs of network wires
Judge continuity of the cables or wires
Identify the state (clear /ringing /busy) of the working telephone line
Detects switch connection condition
Telephone line DC level test
Safety as per IEC1010-1 Cat. III 600V

Technical specifications
Tone frequency: 2k /3kHz
Receiver: 9Vx1, 6F22, 241.5x78x38.5mm, 263g approx.
Emitter: 1.5Vx6, AAA size; 190x89x42.5mm, 370g approx.