The Dell compatible QSFP-DD 400G-ER4 Optics is designed for long-distance single-mode connections in data centers and telecom.
Featuring a EML transmitter and a SOA+PIN receiver, and operating at a wavelength of LAN WDM8 (1304nm/1306nm/1308nm/1310 nm), this Optics utilizes an Duplex LC connector to deliver 400G transmission and exceptional reliability over link distances of up to 40km (OS2 SMF). It is an ideal choice for long-distance, high-speed transmission applications within data centers and enterprise networks.
The INPHE 400G-ER4 uses 7nm DSP.
It supports both DDM/DOM (Digital Optical Monitoring)