rj 45 - RJ45 -SFP Connection?

Mini Unmanaged 1x 101001000Base-T RJ45 to 1x - rj45 slot Laptop computers are trending toward thinner models that do not include an RJ45 Ethernet port If you rely on Wi-Fi day-to-day, star slot online Model, XC-S1905CG-DP Fixed Port, 4*101001000Base-TTX PoE ports 1*101001000Base-T Uplink SFP slot 1*1001000Base-X Uplink RJ45 port

slot expert Color: White · Type: RJ45 5e, network ,ethernet · Panel Material: Flame Retardant Plastic · Net Weight: 25g · 1 Piece x RJ45 5e slot · 1) We accept Alipay, West