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 auto-negotiation features. 2. Modular design, plug-and-play. Can be used individually or in a 14-slot chassis. Automatically adapts to 10Mbps, 100Mbps, and 1000Mbps environments. The RJ45 port supports direct or automatic identification. 3. Remote PAUSE function ensures packet transmission integrity, complying with FCC Part15 Class A electromagnetic interference standards and CE marking Memsence. 4. Fiber optic transceiver features broadcast protection, isolation conflict, and detection error functions. 5. Supports switch products for IEEE802.1Q protocol, supports LINK LOSS remote alarm function. Item Type: Fiber Transceiver Model: TBC-MC3612ES20A Standard Agreement: IEEE 802.3, IEEE 802.3u, IEEE 802.3d, IEEE 802.3x, IEEE 802.3Q Bandwidth: Electrical Port: 10/100/1000M Optical Port: 1.25G Working Method: Full-Duplex / Half-Duplex, Full-Duplex / Semi-Duplex Auto-negotiation function Interface: Electrical Port: RJ45 Optical Port: For SC/FC/ST LED Indicator: Approx. 1000m / 109in, 100M, FX/ACT, TP/ACT, PWR, FDX UTP Network Cable: Cat5 UTP (within approx. 100m / 109yd) Optical Fiber Type: 9/125 (up to 20-120km), 50/125, 62.5 / 125μm (up to 2km) Power Consumption: ≤5W 1 x Fiber Transceiver 1 x Connector 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!