产品编号描述EDS-518A-MM-SC-TEDS-518A-MM-SC，支持宽温-40~75°CEDS-518A16个10/100BaseT(X)端口，2combo10/100/1000BaseT(X)/SFP(mini-GBIC)端口的工业级网管型千兆冗余以太网交换机EDS-518A-MM-SC14个10/100BaseT(X)端口，2个多模的100BaseFX端口，SC接口和2个10/100/1000BaseT(X)/SFP(mini-GBIC)接口的工业级网管型千兆冗余以太网交换机EDS-518A-MM-ST14个10/100BaseT(X)端口，2个多模的100BaseFX端口，ST接口和2个10/100/1000BaseT(X)/SFP(mini-GBIC)接口的工业级网管型千兆冗余以太网交换机EDS-518A-SS-SC14个10/100BaseT(X)端口，2个单模的100BaseFX端口，SC接口和2个10/100/1000BaseT(X)/SFP(mini-GBIC)接口的工业级网管型千兆冗余以太网交换机EDS-518A-SS-SC-8014个10/100BaseT(X)端口2个单模（光纤传输距离80km）100BaseFX端口，SC接口，和2个10/100/1000BaseT(X)/SFP(mini-GBIC)接口的工业级网管型千兆冗余以太网交换机)