X2 10Gb fiber optic transceiver module is a hot swappable product designed to support a wide range of 10Gbps standards, including the 10Gbps Ethernet, OC192/STM-6 SONET/SDH, OC192 VSR and 10G Fibre Channel. Based on former Xenpak transceiver standards, the X2 Transceiver is approximately 50% smaller and can use one transceiver to fulfill all 10G Ethernet optical port functions.