25G SFP Module, SC Single-mode Fiber Optic Cable Connector, 1000 Base-BX TX 1550nm / RX 1330nm Single-mode, DDM 10KM. Compatible with switch compatibility list: Cisco, Huawei, D-Link, Mikrotik, ZTE . 1. Because the regular SFP module does not have enough space to equip two SC optical connectors. This BiDi transceiver is designed for legacy networking using the SC cabling system. This connector landscape reflects how modern SFP deployments prioritize port density and. We manufacture high quality products according to European and US standards.