NEC ELITE IPK SLIE (4)-U10 ETU ANALOG INTERFACE UNIT (Stock # 750218) NEW NEC Chip It has an Impedance matched

It has an Impedance matched

Double-hinged cover on Models 3648 and 3660 folds up and out of the way

Contextual soft key operation for easy dialing and feature access

Dual-color (red or green) illuminated LEDs for line status information

For use with ET300 Digital Circuit Breaker Finder

NEC ELITE IPK SLIE (4)-U10 ETU ANALOG INTERFACE UNIT (Stock # 750218) NEW NEC Chip It has an Impedance matchedThe efficient NEC ELITE IPK SLIE (4) U10 ETU IPK ANALOG INTERFACE UNIT (750218) is a single line telephone ETU that supports 4 single line telephones and or analog voice mail ports. This ETU provides a ringing single generator (RSG), and message waiting (MW) LED voltage to single line telephones. Features Provides 4 Single Line Station (FXS) Ports Integrated Ring Generator Message Waiting Support Installs on SLIB(4) U10 Compatibility *******Compatible