Newstar networking technology Co., Limited is professional manufacturer, we can supply lots of networking equipment (XENPAK, X2, SFP+, XFP,GBIC,DWDM,CWDM optical mdoules,cable). We accept OEM projects and can provide a reasonable solution for you. Our products are compatible with most of the famous brand such as 3com, AVAYA, Alcatel, Allied, Cisco, Enterasys, Extreme, Foundry, HP,Juniper, Nortel, D-link,Finisar.we have competitive price and excellent capability of filling customers requirements. WS-G5487 WS-G5483 WS-G5486 WS-G5484 GLC-T GLC-ZX-SM GLC-LH-SM GLC-SX-MM SFP-GE-S SFP-GE-L SFP-GE-Z X2-10GB-ER, X2-10GB-LR, X2-10GB-SR, XENPAK-10GB-ER, XENPAK-10GB-LR, XENPAK-10GB-SR, please do not hesitate to contact me if you have interested.