X2 fiber optic transceiver module is used in datacom optical links only (not telecom), and they are smaller than old generation XENPAK transceiver. Its electrical interface to the host board is also standardized and is called XAUI (4 x 3.125 Gb/s). 

Sopto is a professional manufacturer and supplier for good quality and the cheapest X2 transceivers Products. Sopto manufactures 300m, 10km, 20km, 40km, 80km X2 optical modules including compatible Cisco X2, HP X2, DWDM X2, CWDM X 2, CWDM XENPAK. All our fiber transceiver modules support Digital Optical Monitoring (DOM) function.

• 
  SPT-X2-SR 10G X2 SR Transponder

  10G 850nm 300m MM X2 Optical Transceiver Module. Sopto is a professional manufacturer and supplier for good quality and the cheapest 10G 850nm 300m MM X2 Optical Transceiver Module Products.

  Contact Supplier