DR4 QSFP-DD transceiver modules are designed for use in 400 Gigabit Ethernet links on up to 500m of single mode fiber. They are compliant with the QSFP-DD MSA, QSFP28 MSA, PSM4 MSA 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 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 Aligned with IEEE 802.3bs
¡ñ 4x100Gb/s PAM4 serial lanes
¡ñ 8x50G PAM4 retimed electrical interface
¡ñ Parallel MPO receptacle
¡ñ I2C management interface

Applications
¡ñ 400G DR4 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.

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