Komshine KLS-25M Mini Size Optical Light Source Owner’s Manual

Discover the KLS-25M Mini Size Optical Light Source from Komshine. This pocket-sized device features a universal wavelength of 1310/1550nm and a durable design with drop protection. Its LED lighting ensures clear visibility in any environment. Learn more about this innovative product with low battery reminder function and automatic shutdown.

FS FOLS-201 Handheld Fiber Optical Light Source User Guide

Learn how to use the FOLS-201/FOLS-202 Handheld Fiber Optical Light Source with this user guide. This dual-wavelength laser tester offers power stability for FTTx networks and fiber testing. The guide includes instructions on inserting FC, ST, and SC cables, as well as function introductions for the power/backlight, wavelength shift, wavelength ID, and load modulation buttons. The instrument also features a power-saving and backlight function. Perfect for both single-mode and multimode fibers.