UTP CAT5E CAT6 Keystone Jack RJ45 90 Degree Cabling Network Module
Keystone Jack Specification
A keystone jack is a modular, female connector that terminates network, voice, or video cables. It is the core functional component that snaps into a faceplate or patch panel, providing the actual data interface.
Form Factor: Standardized rectangular shape, sized to fit a universal keystone opening (14.5mm x 16mm).
Termination Type: Uses IDC (Insulation Displacement Contact) technology. Wires are punched down onto metal blades that slice through the insulation to make contact. Common standards are 110-type or Krone-type.
Port/Interface: Front features the female socket for the corresponding plug (e.g., RJ45 for Ethernet, RJ11/12 for voice, F-type for coaxial).
Performance Rating: Available in categories matching cable specs: Cat5e, Cat6, Cat6A, Cat8, etc. Must match or exceed the cable category for the link to perform to that standard.
Wiring Scheme: Color-coded for both T568A and T568B wiring patterns; T568B is the de facto standard for data.
Shielding: Available in UTP (unshielded) and shielded (FTP/STP) versions. Shielded jacks have metalized bodies and require the cable shield to be bonded to the jack for a continuous ground path.
Material: High-quality, impact-resistant plastic (e.g., Polycarbonate or ABS) for the housing; contacts are gold-plated phosphor bronze for reliable connectivity.
Advantage
Modular Flexibility (Key Advantage): The universal form factor allows you to mix and match different jack types (Ethernet, phone, audio, HDMI) in a single faceplate or panel, creating a custom, multi-service outlet.
Easy Installation & Standardization: Simple termination via a punch-down tool, ensuring consistent, reliable connections. The keystone system standardizes all outlets across an installation.
Easy Reconfiguration & Upgrades: Individual jacks can be easily snapped out and replaced without rewiring the entire cable or replacing the faceplate, making upgrades (e.g., Cat5e to Cat6) or changes simple.
Professional Finish: Provides a clean, factory-finished port. High-quality jacks ensure optimal signal integrity and reduce crosstalk.
Versatility: Supports a vast ecosystem beyond just data, including coaxial, audio, USB, and blank modules for unused openings.
Application
Structured Cabling Endpoints: The universal endpoint for all horizontal cabling in offices, homes, and data centers. Terminates the in-wall cable at the wall plate and at the patch panel in the telecom room.
Patch Panels: High-density patch panels are essentially arrays of keystone jacks, providing the central termination and management point for all cables in a network rack.
Smart Homes & AV Systems: Used to create custom wall plates that combine Ethernet for networking, coaxial for TV/antenna, HDMI, and audio connectors for whole-home systems.
Open-Office Furniture Systems: Integrated into modular office furniture panels (power poles) to provide data and voice ports at workstations.
Retrofits and Renovations: Simplifies upgrading old telephone or coaxial outlets to modern Ethernet ports by reusing the existing wall box and cable pathway.
Core Principle: The keystone jack is the universal, modular building block of all modern structured cabling. The faceplate is just the frame; the keystone is the functional insert that defines the outlet's purpose.
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