Fluke Networks LS-1310/1550 SM Optical Source

The Fluke Networks LS-1310/1550 SM Optical Source is a single-mode fiber optic light source that delivers stable, accurate light signals at 1310 nm and 1550 nm for field testing and network validation. It enables fiber continuity verification, link loss measurements, fault identification, and Far End Source mode testing across single-mode fiber optic cables and networks.

Technical Specifications

• Wavelengths: 1310 nm, 1550 nm


• Fiber Type: Single-mode (SM)


• Output: Continuous Wave (CW) stable light signals


• Operation Mode: Far End Source mode compatible with Fluke Networks OptiFiber® and SimpliFiber® systems


• Warm-up Time: 5 minutes recommended for accurate measurements

Key Features

• Dual-wavelength operation across critical telecom bands


• Compatible with all Fluke Networks fiber optic power meters and test adapters


• Works with third-party optical power meters capable of measuring 1310 nm and 1550 nm wavelengths


• Integrates with OptiFiber® testers for loss testing in Far End Source mode


• Supplied with single-mode ST-ST fiber cables, user manual on CD-ROM, and carrying case

Typical Applications

• Testing and troubleshooting single-mode fiber optic networks


• Verifying fiber continuity on individual fibers


• Performing link loss measurements


• Identifying faults in single-mode fiber optic cables


• Fiber optic link verification


• Far End Source mode measurements for power loss assessment

Compatibility & Integration Designed for use with the complete Fluke Networks fiber testing ecosystem, including OptiFiber® testers, SimpliFiber® sources, and all Fluke Networks fiber optic power meters. The instrument operates with standard fiber test adapters and accommodates optical power meters from other manufacturers that support 1310 nm and 1550 nm measurement.