<![CDATA[EC21 Product Catalogs - cisco network products]]> <![CDATA[Cisco Network Switch (WS-C2960S-48TD-L)]]> <![CDATA[10 / 100m / 1000m Ethernet Fiber Media Converter]]> <![CDATA[Cisco Compatible QSFP DD DR4 400Gbps 500m MPO MTP SMF Optical Transceiver]]>