DR4+ QSFP-DD transceiver modules are designed for use in 400 Gigabit Ethernet links on up to 2km of single mode fiber. They are compliant with the QSFP-DD MSA, QSFP28 MSA, PSM4 MSA, IEEE P802.3cu and portions of IEEE P802.3bm. Digital diagnostic functions are available via the I2C interface, as specified by the QSFP28 MSA and Finisar Application Note AN-20xx. The optical transceiver is RoHS compliant as described in Application Note AN-2038.

Features
¡ñ Hot-pluggable QSFP-DD type 2 form factor
¡ñ Supports 425Gb/s aggregate bit rate
¡ñ 2km over parallel SMF
¡ñ Power dissipation <10W (limited temp) or < 12W (c-temp)
¡ñ RoHS-6 compliant
¡ñ Case temperature range of 20°C to +60°C (limited temp) or 0°C to +70°C (c-temp)
¡ñ Single 3.3V power supply
¡ñ 4x100Gb/s PAM4 serial lanes
¡ñ 8x50G PAM4 retimed electrical interface
¡ñ Parallel MPO receptacle
¡ñ I2C management interface

Applications
¡ñ 400G DR4+ (2km) applications with FEC
¡ñ 100GbE breakout applications

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Important Notice

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.

The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.