10Gb Ethernet, Fibre Channel. X2-10GB-SR Original 10 Gigabit Ethernet Transceiver Module. X2 Transceiver Module. IEEE 802.3z Gigabit Ethernet. Dual SC/PC 10GBASE Ethernet SR FC Connectors. Cisco X2-10GB-LX4 Genuine 10 Gigabit Ethernet Transceiver Module PN 10-2154-03.
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