Quickly and easily checks for cable continuity, miss-wiring, open, short, straight through or cross pining. Whether the cable was installed properly or not.
Tests RJ45, RJ11/RJ12 modular connectors.
User guide included. 9V battery needed. Economy version. Send-Receive tester inject at one-end and indicates at the other via LEDs.
Note: Style may differ slightly according to manufacturer.