SFP Port Blocker Key, Green

Part No. 47911

£9.53 ex. VAT ex. VAT
(Delivery from £3.33 ex. VAT ex. VAT )
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Product Summary

Quickly and easily block physical access to SFP ports
Prevent users from inserting cables, devices or foreign objects without permission
Single port blocking key
Port blockers available separately
2 year warranty

Product Description
Technical Information
Downloads
Customer Reviews
Delivery

Physical Layer Security for Fibre Networks

Protect Critical SFP Ports from Tampering, Damage or Unauthorised Access

The Lindy SFP Port Blocker provides a fast, effective way to physically secure unused SFP (Small Form-factor Pluggable) network ports. These compact blockers are ideal for safeguarding fibre infrastructure in sensitive IT environments, AV-over-IP setups, and networked installations where access control is essential.

By preventing unauthorised connections, accidental cable insertions or foreign object intrusion, Lindy SFP Port Blockers reduce the risk of port damage and potential downtime. A robust insertion mechanism keeps each blocker firmly in place, with colour-coded keys ensuring only authorised removal.

Additional keys and blocker packs also available.

AT A GLANCE

Physical Network Access Control

Blocks unauthorised SFP port use and deters accidental cable insertion

Fibre-Ready Protection

Ideal for delicate SFP connections in enterprise and AV-over-IP systems

Quick Installation

Tool-free deployment, install or remove in seconds

Visual Cue

Indicates unused ports or identifies disconnected endpoints

Low Cost, High Scalability

Ideal for large rollouts with minimal overhead

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

Data Centres & Enterprise Network

Protect switchgear, routers and critical optical interfaces from disruption.

Education & Public Sector

Prevent tampering with fibre links in classrooms, libraries and shared facilities.

Retail & Hospitality AV Installations

Secure fibre-based AV equipment and signage systems in publicly accessible locations.

Facilities / Infrastructure

Visually mark inactive ports for future provisioning

Libraries / Shared Workspaces

Block unauthorised connections in public computing environments.

Healthcare & Labs

Protect equipment in clinical environments from unauthorised connections.

PHYSICAL LAYER SECURITY. FIBRE PROTECTED. TRUST LINDY.

Lindy SFP Port Blockers deliver precise physical control over fibre ports, helping IT and AV professionals reduce risk and maintain infrastructure integrity. Easy to deploy, visually obvious and highly scalable, they’re the smart choice for any network where protection starts at the port.