1Support IEEE802.3U.100BASET and 100 BaseFL protocols, support allintwotime or halfduplex network communication, with automatic negotiation capabilities 2Modular design, plugandplay, can be used alone, can also be used in 14 slot racks, automatically adapt to 10Mbps, 100Mbps, and 1000Mbps environments, RJ45 port supports direct or automatic identification 3Remote PAUSE function guarantees the integrity of packet transfer, in line with electromagnetic interference standard for FCC Part15 Class A and for CE Mark Memsence 4Optical Media Converter has the functions of broadcast protection, isolation conflict, and detection errors 5Support for switch products for IEEE802.1Q protocol, support LINK LOSS link remote prealarm function Item Type: Fiber Transceiver Model: TBC-MC3300E-SFP Standard Agreement: IEEE 802.3IEEE 802.3uIEEE 802.3dIEEE 802.3Q Bandwidth: Electrical Port: 10 / 100MOptical Port: 155M Working Method: Full-Duplex / Half-Duplex, Full-Duplex / Semi-Duplex Automatic Negotiation Function Interface: Electrical Port: RJ45Optical Port: For SC/FC/ST/LC LED Indicator: FPL10/100 FRXTRXPWRFDX UTP Network Cable: Cat5 UTP (within Approx. 100m / 109yd) Optical Fiber Type: 9/125 (single Die Double Fiber 20-120km), (wavelength 1310nm, 1550 nm) Power: 5W 1 x Fiber Transceiver 1 x Plug 1 x User Manual 1.Please allow 02 cm error due to manual measurement. Thanks for your understanding2.Without optical module