This telephone patch cable allows you to replace a shorter cable with an extended length version. It features RJ45 (8P8C) connectors on each end with reversed wiring and is intended for use as a voice line.Features: RJ45 (8P8C) connectors on each endReversed wire connection on one endIntended for use as a voice lineFlat cable with silver satin finishMonoprice™ and all Monoprice logos are trademarks of Monoprice Inc. Updated 30 Jun 2021