... Video multiplexer is a reliable, cost effective... The device accepts PAL, SECAM or NTSC formats.... Optical Video Multiplexer1. Overview Spacecom Digitial Video ... is widely used in CCTV, video surveillance, national defense, and etc.For 1-16 channel video devices, we provide two types, ... device, and the other is chassis. For 17-64 channel video devices, there is only chassis provided. Front panel for ...