Black Box CAT5e Keystone Jack Unshielded (Gray)

Overview

The Black Box FMT923-R2 is a CAT5e keystone jack designed to provide a reliable and straightforward solution for building or expanding network connections. It fits into any standard keystone opening, making it easy to install in wall plates, surface mount boxes, or high-density patch panels. Supporting data transmission frequencies up to 100 MHz, this unshielded jack ensures consistent performance for voice, data, and multimedia applications.

Key features

• Fits standard keystone openings for seamless integration into various mounting options without extra hardware
• Unshielded design suitable for general-purpose cabling in offices, schools, and residential networks
• Supports both T568A and T568B wiring schemes to match existing or new installations
• Phosphor bronze IDC contacts with tin finish and 50-micron gold-plated nose contacts over 100-micron nickel ensure clean and stable signal transfer
• Termination retention stuffer cap provides strain relief and allows visual confirmation of proper wire seating before closing the jack
• Locks firmly in place to maintain secure network drops even in environments with vibration or frequent use
• Compatible with Black Box GigaStation2 wall plates and surface mount housings for flexible deployment
• Backward compatible with CAT5 and CAT3 components, supporting legacy devices alongside newer equipment

Key specs

• Category: CAT5e unshielded keystone jack
• Frequency support: up to 100 MHz
• Wiring schemes: T568A and T568B
• IDC contacts: phosphor bronze with tin finish
• Nose contacts: 50-micron gold plating over 100-micron nickel
• Compatibility: fits standard keystone openings, compatible with Black Box GigaStation2 series
• Backward compatibility: supports CAT5 and CAT3 devices

Connectivity and compatibility

This keystone jack works well with a wide range of network devices including VoIP phones, desktop computers, printers, wireless access points, and multimedia streamers. Its compatibility with both T568A and T568B wiring schemes allows it to fit into existing network infrastructures without requiring rewiring. The jack’s design ensures it integrates smoothly with Black Box GigaStation2 wall plates and surface mount housings, providing a neat and professional finish.

Installation and setup

Installation is straightforward using a standard 110 punch-down tool, making it accessible for both professional installers and experienced DIY users. The termination retention stuffer cap adds strain relief, reducing the risk of cable damage and allowing you to visually verify each wire’s seating before closing the jack. Once installed, the jack locks securely in place, ensuring stable connections even in busy or vibration-prone environments.

Ideal uses and environments

This keystone jack is a practical choice for structured wiring in offices, classrooms, conference rooms, and residential settings. Its gray housing blends well with neutral décor, making it unobtrusive in open office plans or home network panels. It suits environments where reliable voice, data, and multimedia connections are essential, especially when cost-effective and flexible cabling solutions are needed.