RJ45 Port Blocker Extra Key, Black (1x Key)

Part No. 47890

£5.23 inc. VAT inc. VAT
(Delivery from £3.99 inc. VAT inc. VAT )
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25 In Stock Now |

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Product Summary

Physically prevent access to RJ45 network ports
Quick and simple to use
Single port blocking key
This product includes 1x colour-coded key only; compatible RJ45 Port Blocker Lock Sets must be purchased separately
2 year warranty

Product Description
Technical Information
Downloads
Customer Reviews
Delivery

Physical Network Security, Locked In.

Block Unused Network Ports to Prevent Unauthorised Access

The Lindy RJ45 Port Blocker provides a simple, effective way to physically secure unused Ethernet ports across IT and AV networks. Ideal for switches, patch panels, wall sockets, and exposed endpoints, these blockers help prevent the unauthorised connection of network cables, rogue devices, or foreign objects.

Whether used to enforce network security, indicate inactive ports, or protect against accidental damage, the Lindy RJ45 Port Blocker is a fast, scalable solution for IT administrators, AV integrators, and facilities managers. Each blocker uses a secure latching mechanism — similar to a standard RJ45 plug — and can only be removed using a matching colour-coded key.

Black, Green, Orange and Yellow versions for differentiated access control. Additional keys and blocker packs also available.

Note: Keys are colour-specific and only compatible with blockers of the same colour.

AVAILABLE COLOURS

AT A GLANCE

Physical Network Access Control

Prevents users from connecting unauthorised devices

Visual Deterrent

Communicates clearly that access is restricted

Quick & Easy to Use

Tool-free deployment, install or remove in seconds

Colour-Coded Key System

Keys only work with matching-colour locks for controlled access

Low Maintenance, High Scalability

Ideal for large rollouts with minimal overhead

RJ45 Latching Design

Mimics the clip action of real connectors for a secure hold

HOW IT WORKS

TYPICAL SECTORS

Education

Retail & Point of Sale

Corporate IT

Government & Defence

Libraries & Shared Workspaces

Healthcare & Labs

APPLICATIONS

Education

Prevent students from tampering with wall sockets or IT equipment.

Retail & Public Terminals

Prevent tampering or network intrusion by securing exposed Ethernet ports on kiosks, digital signage, and POS systems.

Corporate IT

Protect vacant switch ports and patch panels in data centres or server rooms.

Government / Defence

Add a physical security layer to systems handling sensitive or classified information.

Libraries / Shared Workspaces

Block unauthorised connections in public computing environments.

Healthcare & Labs

Protect equipment in clinical environments from unauthorised connections.

BLOCK THE GAPS. SECURE THE NETWORK. TRUST LINDY.

As network security becomes ever more critical, Lindy RJ45 Port Blockers provide a no-nonsense, highly scalable first line of defence. Whether protecting public spaces, AV hardware, or core network infrastructure, these blockers are a simple way to take control of your ports.

Available in multiple configurations to suit different needs — from full kits to additional lock packs. Choose the option that fits your deployment (orange colour variants shown as examples):