Get blazing-fast 10-Gigabit performance with Laser-Optimized 50/125 Low-Smoke Zero-Halogen (LSZH) Multimode Fiber Patch cords from Cables To Go. Laser-optimized multimode fiber (LOMMF) cables provide backward compatibility with existing 50/125 equipment while providing the performance headroom required to support laser light sources and 10-Gigabit applications. These cables also provide the fire protection required to run within walls and air plenums without the need for conduit.