Industrial Ethernet to Fiber Media Converter, Multi mode, ST connector. The NS-200F series is an Ethernet (10/100Base-TX) to Fiber Optic (100Base-FX) converter. The Ethernet supports 10/100M auto-negotiation feature and auto MDI/MDIX function. The NS-200F series operates at either half or full duplex mode. It contains "soft start" function with overload protection, high-low voltage protection. The width of the NS-200F series is just 32.30 mm, so ..