a device which permits connection of customer-owned modems or data sets to the regular telephone network, by limiting the power applied to the line and providing network control and signaling functions
connector - a device for electrically coupling one or more conductors
A battery-driven modem contained in a housing ... fitted with four LEDs which indicate call status, speed, carrier frequency and battery depletion. The modem also has a data connector, telephone connections, acoustic-coupler connection and standardized miniature telephone jack.
