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110 Style & M66 Products

Legacy Punchdown Blocks β€” 110 & M66

Classic insulation displacement (IDC) punchdown hardware for maintaining legacy voice and low-voltage copper fields.
Keep existing closets serviceable with 110- and M66-style blocks, panels, and tools that match what is already on the wall.

  • 110-style blocks & bases — 110 wiring blocks, connecting blocks (4/5-pair), and label/designation strips for compact cross-connect fields.
  • 110 punchdown patch panels — rack or wall-mount panels with rear 110 fields for multi-pair terminations and clean front-side labeling.
  • M66 punch blocks — 50-pair M66 blocks, clear covers, and mounting brackets (89-style) for traditional telco voice backboards.
  • Bridging & protection — M66 bridging clips, protector modules, and accessories for legacy PBX and demarc applications.
  • Tools & accessories — impact punchdown tools, 110/66 blades, cross-connect wire, and cable management to build out or service existing fields.

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Gruber Communications