Cisco X2-10GB-LR 10GBASE-LR X2 transceiver module for SMF, 1310-nm wavelength, SC duplex connector We also have the following new Cisco SFP&GBIC : GLC-SX-MM= GLC-LH-SM= GLC-ZX-SM= GLC-T= SFP-GE-S= SFP-GE-L= SFP-GE-Z= SFP-GE-T= GLC-SX-MMD= GLC-LH-SMD= GLC-EX-SMD= GLC-SX-MM-RGD= GLC-LX-SM-RGD= GLC-ZX-SM-RGD= GLC-BX-D= GLC-BX-U= GLC-BX-D= GLC-BX-U= GLC-BX-D= GLC-BX-U= CWDM-SFP-1470= CWDM-SFP-1490= CWDM-SFP-1510= CWDM-SFP-1530= CWDM-SFP-1550= CWDM-SFP-1570= CWDM-SFP-1590= CWDM-SFP-1610= GLC-GE-100FX= GLC-FE-100FX= GLC-FE-100LX= GLC-FE-100EX= GLC-FE-100ZX= GLC-FE-100BX-U= GLC-FE-100BX-D= SFP-10G-SR= SFP-10G-LR= SFP-10G-LRM= SFP-10G-ER= SFP-10G-ZR= XFP-10G-MM-SR= XFP-10GLR-OC192SR= XFP-10GER-OC192IR= XFP-10GZR-OC192LR= XFP10GLR-192SR-L= XFP-10GER-192IR+= XFP10GER-192IR-L= XFP10GLR192SR-RGD XFP10GER192IR-RGD XFP10GZR192LR-RGD X2-10GB-SR= X2-10GB-LR= X2-10GB-ER= X2-10GB-ZR= CVR-X2-SFP X2-10GB-LRM= XENPAK-10GB-SR= XENPAK-10GB-LR= XENPAK-10GB-ER= XENPAK-10GB-ZR= SKYPE: hkhuameijia AOL : hkhuameijia