Definitions for "XJACK"
Keywords:  laptop, dongle, modem, connector, slim
XJACKĀ® is a type of connector for notebook computer modem that allows a standard telephone connector to snap into the modem. Internal modems for notebook computers come on a slim Personal Computer Memory Card International Association card.
A type of phone jack built into laptop PC-card modems. PC-cards are too thin to accept a conventional RJ-11 phone plug. An XJACK is a horizontal jack that pops out from the modem card, letting you vertically insert the RJ-11 plug.
In laptop computing, the XJACK is a type of connector to attach a standard RJ11 or RJ45 plug directly to a PC card modem/Ethernet adapter, without the use of a dongle. An XJACK extends from the card and the plug goes into the extended portion.