... ,RoHS,UL certificate SFP-OC48-LR1 third party SFP module, excellent performance, with 3 years free warranty, competitive factory price.Applications1.SDH ... ,DWDM and other special transceiver modules. Our products are compatible with Cisco, 3COM, H3C, HP, Extreme, Foundry, Avaya, D-link, Alcatel ... , Ruijie, Zyxel, Huawei,etc SFP-OC48-LR1 telecom connector,optical module