They are know by many different names; MDF blocks, terminal blocks, connecting blocks, cross-connect blocks, wire wrap blocks, quick-connect blocks, or punch-down blocks. Connectorized and non-connectorized, Single or bifurcated wire-wrap pins, Standard VF, high-speed (HS) and high-speed-plus (HS+) signal rates.

Comstock Telcom specializes in central office and transmission equipment, provider of new, reused and refurbished telecommunication products.

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