Introduction: JHA-F11M series is a miniature 10/100M self-adaptive Fast Ethernet fiber optic transceiver, with one 100M optical port and one 10/100Base-TX self-adaptive Ethernet RJ45 interface. The product design complies with the Ethernet standard, adding lightning protection and anti-static protection measures, a wide range of operating temperature from -20°C to +70°C, and stable and reliable performance. The device can be widely used in special environments, and is easy to be implanted inside the device, as well as special scenarios where the installation environment is small. And reliable performance, to ensure stable transmission. Specifications: Operating standards IEEE802.3u、10/100Base-TX and 100Base-FX MAC addresses table 1K Data buffer 1M Connectors: UTP Connector RJ-45,10/100Mbps;Fiber Connector: SC 100Mbps Cable UTP: Cat. 5 UTP cable (the max distance up to100m) Fiber ( Singlemode): 8.3/125, 8.7/125, 9/125, 10/125μm（the max distance up to 90km） Flow Control Full Duplex: IEEE802.3x Half Duplex: back pressure LED Power, FX, TP. Power Requirement DC 5~12V Ambient Temperature 0 ～ 70℃ Humidity 5 ～ 90% Size 69×50×24mm LED Indicator PWR:power supply FX LINK/ACT:optical fiber connection/action TP:network port full duplex/half duplex mode TX LINK/ACT:electrical port connection/action 100:electrical port 100/10M transmission rate) FX:with/without optical signal  Dimension: Order Information: Model No. Description of Goods JHA-F11MW-20A 10/100M Single-mode, Single Fiber, 20Km, 1310nm, SC/ST/FC/LC Connector JHA-F11MW-20B 10/100M Single-mode, Single Fiber, 20Km, 1550nm, SC/ST/FC/LC Connector