Port blocker set Lindy RJ45 Port Locks Green 10 pcs + 1 key, for RJ-45 ports, 20×74.5×5.9 mm

The Lindy RJ-45 Port Blocker Key provides a simple way to block unused Ethernet ports, preventing unauthorised connection of network cables, devices or insertion of foreign objects. The semi-permanent blocker consists of a moulded plastic cap that inserts into an RJ-45 socket and latches in place like a network plug; removal and installation are performed using the matching insertion key. This solution is suitable for environments such as schools, offices and public-sector facilities where visual identification of inactive ports and basic physical protection are required.

Advantages

The port blocker offers quick installation and removal with a dedicated key, visible indication of inactive or secured ports, and helps reduce accidental or intentional tampering with network ports. It provides a low-profile, semi-permanent physical barrier without altering the port itself.

Key specifications

• Type: RJ-45 semi-permanent port blocker with insertion key
• Material: Moulded plastic cap and matching plastic key
• Compatibility: Compatible only with corresponding colour port blockers (not compatible with previous generation)
• Function: Physical and visual deterrent to unauthorised access
• Installation: Inserts and latches into RJ-45 port; removed using the insertion key

How to use

Place a blocker onto the insertion key, then push the blocker into the RJ-45 port until it latches. Hold the blocker in place and withdraw the key. To remove, insert the key into the blocker until it clicks, then pull the blocker out while holding the key.

Recommendations

The port blocker provides basic physical and visual protection but will not stop a determined attacker with physical access to a port; use it as part of a wider security policy and verify correct colour matching between key and blocker before deployment.