NEC ECR-U10 ETU / NEC EXTERNAL CONTROL RELAY UNIT (Stock # 750300) NEW Nitrile The durable NEC 730086 DTH-4R-1(BK)

The durable NEC 730086 DTH-4R-1(BK) NEC Electra Elite Dterm Cordless Lite II  STOCK # 730086

It has a color-coded end disk with embossed size marking for fast easy selection

50-pin amphenol connector for subsciber loop terminations

5 mm stereo jack to carry audio alongside video

Catalog# 52056429

NEC ECR-U10 ETU / NEC EXTERNAL CONTROL RELAY UNIT (Stock # 750300) NEW Nitrile The durable NEC 730086 DTH-4R-1(BK)The durable NEC ECR U10 ETU NEC EXTERNAL CONTROL RELAY UNIT 750300 provides common audible tone signaling using relay contacts for external ringing equipment, an audio output for external paging systems, and a connection for external background music. Ten relays are provided: four for External Tone Ringer Control, one for Night Chime, two for External Paging, and two for General Purpose. NEW IN THE BOX One Year Warranty