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The ICC icdb25tf8c is a passive wiring adapter that converts a DB-25 female connector to an 8P8C modular jack interface. It is designed for use in structured cabling and telephone distribution applications where USOC wiring conventions are required. The adapter provides a direct, tool-free conversion between the 25-pin D-sub format and the standard 8-position 8-contact modular connector, eliminating the need for custom patch cables or punch-down terminations at the transition point. Telecommunications technicians and low-voltage cabling installers are the primary trades that deploy this type of adapter.
This adapter is used in commercial and residential telephone distribution systems, PBX installations, and data closets where legacy DB-25 equipment must interface with modular patch panels or wall jacks. It is particularly common in environments that follow USOC wiring standards for multi-line telephone cabling. The adapter supports passive signal pass-through and does not require external power.
Designed as an OEM-style adapter for structured cabling systems using DB-25 female to 8P8C modular jack conversions with USOC wiring.
This adapter is installed by low-voltage telecommunications technicians working with telephone distribution or PBX cabling systems. Ensure all connected circuits are de-energized or taken out of service before making or breaking connections at the DB-25 interface. Follow local telecommunications cabling codes and USOC wiring diagrams for correct pin-to-position assignments. Do not exceed the rated voltage or current limits of the modular jack interface.
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