1. Cisco compatible 2. 10GBASE SFP SR/LR/ER/ZR Transceiver Module 3. ... , GBIC, SFP+, XENPAK, X2 , XFP, BIDI,CWDM,DWDM and other special transceiver modules. 100% compatible with major brands :Cisco,Juniper, H3C, HP, Huawei ... : With DDM10.Operating Temperature: 0~70 °C Application SONET/OC48 Cisco compatible OC48 SR SFP 1310nm 2km optical transceiver