Maximum 16 sets of 10M, 100M, 10/100M, 1000M multimode, single mode, singlecore media converter cards and built-in Avional media converters` cards can be installed in one frame under uniform power supply. This not only reduces thenumber of tie wires and simplifies the structure, but also facilitates easymanagement and maintenance. Its shell is Avional, AC 220V, DC 48V and singlepower supply, double power supply are optional. You can configurate the 16slots with 15 card slots and 1 network management card.Product features:1.16 slots standard 19" 2U casing, can be installed in the cabinet of equipmentroom for uniform management and maintenance2. Dual fans for air exhaust, excellent thermal diffusivity3. Supports plug-and-play of optical transceiver4. Well shielded power supply prevents electromagnetic signal caused bypower supply from intervening