The CP-25E-ER-CDF02 is a single mode SFP28 transceiver designed for 25 Gigabit Ethernet and 25G CPRI applications. It operates with a 1310nm DFB laser transmitter and an APD photodiode receiver and supports transmission distances up to 40km on standard single mode fiber . The module supports data rates up to 25.78Gbps and is compliant with the SFP28 Multi-Source Agreement and the SFF-8472 Digital Diagnostics Monitoring standard . The diagnostics interface provides real time monitoring of temperature, supply voltage, transmit optical power, receive optical power and bias current .