Welcome to the store! 1. Supports IEEE802.3U.100BASE-T and 100 Base-FL protocols, supports all-in-two-time or half-duplex network communication, with automatic negotiation functions. 2. Modular design, plug-and-play, can be used alone, can also be used in a 14-slot chassis, automatically adapts to 10Mbps, 100Mbps and 1000Mbps environments, the RJ45 port supports direct or automatic identification. 3. Optical media converter has the functions of broadcast protection, isolation conflict and detection error. 4. REMOTE PAUSE function ensures the integrity of packet transmission, in line with FCC Part15 Class A electromagnetic interference standard and for CE MarkMemsence. 5. Support for switch products for IEEE802.1Q protocol, supports LINK LOSS link remote alarm function. Item Type: Fiber Transceiver Model: TBC-MC3312ES20A Standard Agreement: IEEE 802.3, IEEE 802.3u, IEEE 802.3d, IEEE 802.3Q Bandwidth: Electrical Port: 10 / 100M Optical Port: 155M Working Method: Full-Duplex / Half-Duplex, Full-Duplex / Semi-Duplex Automatic Negotiation Function Interface: Electrical Port: RJ45 Optical Port: For SC/FC/ST/LC LED Indicator: FPL, 10/100, FRX, TRX, PWR, FDX UTP Network Cable: Cat5 UTP (within approx. 100 meters / 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 Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!