A combination of tone generator and modular break-out adaptor enabling the testing of any configuration of pairs in 8-position modular jacks and plugs Tests continuity, polarity, send tone and, supplies talk battery to any pair in any configuration 8-position 'snag-proof' modular plug and 8-position jack with protective cover Tone, continuity & talk battery supply using alligator clips Selectable solid/warble tone signal Quick reference guide with common wiring configurations Weather resistant design
