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The durable NEC ECR-U10 ETU / NEC EXTERNAL CONTROL RELAY UNIT 750300 provides common audible tone signaling using relay contacts for external ringing equipment
51004990 C7 Power Cord with Euro Plug Type OR
If you are looking for voice CSUs
The durable Greenlee DIE-RD
NEC FULL DUPLEX SPEAKERPHONE HFU-U White (Stock # 770200) NEW 2 Line SIP Phone PoE The durable NEC ECR-U10 ETUThe efficient Nec Full Duplex Speakerphone Adapter HFU U (WH) UNIT (770200) with AC Power Supply ACA U UNIT (770310) for the Nec Neax 2000 Neax 2400 Dterm Series E & Electra Elite Product Families. This unit is installed beneath the Digital Telephone and adds Full Duplex capability to the Speakerphone. Following is a list of the Digital Telephone that is compatible with this adapter: DTU 8 1 (WH) TEL DTP 8 1 (WH) TEL DTU 16 1 (WH) TEL DTU 16D 1 2 (WH)
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