... transceivers from 155M to 40G, including SFP, GBIC, SFP+, XENPAK, X2 , XFP, BIDI,CWDM,DWDM and other special transceiver modules. 100 ... SC optical receptacle7.Compliant with IEEE 802.3ae8.Compliant with X2 MSA9. Class 1 laser product complies with EN 6082510. ... +PINMMFOPX2-10GB-LR10G131010KMX20~70DFB+PINSMFOPX2-10GB-ER10G131040KMX20~70DFB+PINSMF X2-10G-ER Cisco compatible optical transceiver(8357)