Black Box Unshielded CAT5e Keystone Coupler (White)

Overview

The Black Box FM590 is an unshielded CAT5e keystone coupler designed to seamlessly join two Ethernet cables without requiring extra tools. It features two RJ-45 female jacks arranged in a straight-pinned configuration, supporting both T568A and T568B wiring standards. This makes it suitable for extending or repairing network runs in residential, small business, or data center environments. Its compact and durable design fits neatly into standard wallplates or patch panels, providing a clean and professional finish.

Key features

• Unshielded CAT5e design that supports high-speed Ethernet connections up to 100 MHz
• Two RJ-45 female jacks allowing easy pass-through connection between Ethernet cables
• Compatibility with both T568A and T568B wiring standards for flexible installation options
• Snaps into standard wallplates or patch panels, including Black Box GigaStation2, for a tidy setup
• Compact and durable construction ideal for crowded wiring closets and tight spaces
• White finish that blends with most wallplates and room décor for a discreet appearance

Key specs

• Category: CAT5e unshielded
• Connector type: Two RJ-45 female jacks
• Wiring standards supported: T568A and T568B
• Frequency rating: Up to 100 MHz
• Compatibility: Fits standard keystone wallplates and patch panels
• Color: White

Connectivity and compatibility

This coupler works well with a wide range of Ethernet cables and network devices that use CAT5e standards. It is especially compatible with Black Box GigaStation2 wallplates, ensuring a seamless integration into structured cabling systems. Whether you are extending an existing cable run or repairing a short cable, it provides a reliable connection point without signal loss or interference.

Installation and setup

Installation is straightforward and tool-free, making it accessible for both professional technicians and home users. The coupler snaps securely into any standard keystone wallplate or patch panel, allowing quick deployment in network closets, office workstations, or home networking panels. Its compact size helps maintain an organized and clutter-free environment.

Ideal uses and environments

The FM590 is well suited to environments where extending or repairing Ethernet cabling is necessary without replacing entire cable runs. It fits naturally in home networks, small business offices, and data centers where space is limited and a clean installation is important. This coupler is a practical choice for network technicians who need a reliable and quick solution for cable management challenges.