Nortel MDR-6777X-12 DSX-1 TCM Telecommunications Interface Module P/N 895-5371-005   Brand Nortel Networks  Model MDR-6777X-12   Description   Nortel MDR-6777X-12 DSX-1 TCM telecommunications  interface module removed from a working environment.  This rack-mount telecom card features alarm and status indicators for I/O, transmit, and receive channels along with dual coaxial outputs (J1/J2).  Commonly used  in carrier-grade telecommunications and digital transmission systems.   MPN 895-5371-005 Type Telecommunications Interface Module / DSX-1 TCM Card   Serial Number Not legible  Used  Removed from a functional environment.  Cosmetic wear  consistent with normal industrial use.  Untested by seller.  Sold as pictured.   Specifications Manufacturer:  Nortel Networks Model: MDR-6777X-12  Description:  DSX-1 TCM Part Number: 895-5371-005 Revision:  B Front Panel Indicators: I/O Alarm I/O In Service  Transmit Alarm Transmit In Service Receive Alarm Receive In Service  Connectors:  J1 I BB OUT J2 Q BB OUT  Rack-mounted telecom module High-density backplane connector Country of Origin (COO)  Sold exactly as shown eBay Description Removed from a working telecommunications environment. This listing is for a Nortel MDR-6777X-12 DSX-1 TCM telecommunications interface module, Part Number 895-5371-005, Revision B. Unit features front-panel alarm/status indicators and dual coaxial outputs. Cosmetic condition is good with normal signs of use. No further testing has been performed. Sold exactly as shown in the photographs. Included: 1 × Nortel MDR-6777X-12 DSX-1 TCM Module Condition:  Used Unit features  front-panel alarm/status indicators and dual coaxial outputs.  Cosmetic condition  is good with normal signs of use. No further testing has been performed.  Note:  Ecotech RDR specializes in surplus industrial telecommunications, automation, and electronic equipment.  The more items you purchase, the better the pricing.

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