1. Cisco compatible 2. 10GBASE SFP SR/LR/ER/ZR Transceiver Module 3.300m to 8okm reach 4. Gpon onu,gpon ... , SFP+, XENPAK, X2 , XFP, BIDI,CWDM,DWDM and other special transceiver modules. 100% compatible with major brands :Cisco,Juniper, H3C, HP ... SONET/OC48 Cisco compatible OC48 SR SFP 1310nm 2km optical transceiver