- Testing tool for RJ11,RJ12,RJ45 - Autoscan and step-by-step testing - Main unit with 2x RJ45 female plug - Remote unit with 1x RJ45 female plug - Various LEDs for status - Powered by 1x 9 Volt block battery (not included) - Black Zipper Bag included - Loop back: Localization of laid network of communication cable - Continuity: of network or communication cable -Open: diconnected single wires - Shorts: short circuited single wires - Miss-wire: identifi cation of non conform wire assignment - Pin to Pin confi guration: 1 assignment testing.