Nortel Networks NTRB53AA CLKC Global Large System Clock Controller Board MPCH5DD

Board surfaces are clean with intact components and connectors and no visible physical damage. Comes in foam-lined box with exterior label and handwriting from prior storage. Not tested, so functionality is unknown and should be verified before critical use.

Brand: Nortel Networks

Model/MPN: NTRB53AA

Product: CLKC Global Large System Clock Controller circuit board module

Label details on box: Product ID NTRB53AA, [SERIAL REMOVED], PO number 0256195, quantity 1 EA, stock label dated 01/23/14

Hardware: Large green PCB with multiple integrated circuits, discrete components, DIP switch banks with configuration legends, and front-edge connectors

Branding: Nortel Networks logo and reference designators printed on the board

Packaging: Includes the pictured cardboard box with custom foam insert for board protection

Keywords: Nortel clock controller, telecom system board, NTRB53AA MPCH5DD replacement module

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