SimplyTEST ST-R240LSIV FiberMASTER Series Quad Light Source with LC Connectors

Get faster, more reliable fiber testing for security, surveillance and network monitoring with the SimplyBRANDS SimplyTEST FiberMASTER ST-R240LSIV Quad Light Source. Designed for field technicians and installers, this fiber optic tester delivers consistent reference output through LC connectors so you can commission multimode and singlemode links with confidence. The integrated inspection port and Visual Fault Locator make locating bends, breaks and bad terminations intuitive — saving time on troubleshooting and reducing costly rework.

The ST-R240LSIV ships as a complete kit with MM and SM 2m cables (LC-SC and SC-SC), power adapter, USB cable, stylus, hang strap and cleaning pens for 1.25mm and 2.5mm connectors, enabling immediate use on site. Rugged and portable, it’s ideal for security system installs, CCTV fiber backbones, and enterprise network monitoring where uptime and accuracy matter. Choose the FiberMASTER quad light source to streamline testing workflows, improve documentation accuracy, and lower install time. Add it to your toolkit for reliable, professional fiber testing on every job.

• Speeds fiber installation and troubleshooting with a quad light source and LC connectors for consistent, repeatable reference testing
• Isolates faults quickly using the built-in inspection port and Visual Fault Locator (VFL), reducing downtime on security and surveillance links
• Includes multimode and singlemode 2m cables (LC-SC, SC-SC) and cleaning pens to ensure clean, reliable connections right out of the case
• Portable, jobsite-ready kit with power adapter, USB charging, hang strap and rugged stylus for field convenience and longer test sessions
• Minimizes documentation and handoff errors by providing stable, calibrated light outputs that improve accuracy for network monitoring and certification