supply of fiber media converter , the offered equipment is a fiber media converter, model gomc-bi3512-20 or equivalent , de signed for conversion between 10/100/1000base-tx copper ethernet and 1000base-fx optical fiber networ ks. the converter supports ieee 802.3, ieee 802.3u, ieee 802.3ab and ieee 802.3z standards, ensuring com patibility with gigabit ethernet networking applications. it provides one rj45 copper port with auto-negotiat ion support for 10/100/1000 mbps data rates and one sc type bi-directional fiber port operating at tx 1310 nm / rx 1550nm wavelength with transmission distance up to 20 km over single-mode optical fiber. the de vice supports full duplex flow control and half duplex back pressure for efficient data transmission. led indi cators are provided for power, optical link/activity, full duplex status, twisted pair link/activity and transmis sion rate indication. the converter operates on dc 5v, 1a power supply with optional external or internal p ower supply configuration and power consumption less than 3w. it is designed to operate in environmental conditions ranging from -10?c to +55?c with storage temperature from -40?c to +85?c and relative humidi ty from 5% to 95% non-condensing. the unit dimensions are 94mm ? 70mm ? 26mm for external type and 140mm ? 110mm ? 30mm for internal type. the product is suitable for network communication, ftth/fttb /fttx applications, isp backhaul networking and subscriber end connectivity. the equipment complies with ce, fcc and rohs certifications. [ warranty period: 36 months after the date of delivery ] ]