LR8 QSFP-DD transceiver modules are designed for use in 400 Gigabit Ethernet links on up to 10km of single mode fiber. They are compliant with the QSFP-DD MSA, QSFP28 MSA, IEEE P802.3bs and portions of IEEE P802.3bm. Digital diagnostic functions are available via the I2C interface, as specified by the MSA and 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 <13W
¡ñ RoHS compliant
¡ñ Commercial case temperature range of 0°C to 70°C
¡ñ Single 3.3V power supply
¡ñ Maximum link length of 10km on Single Mode Fiber (SMF)
¡ñ Aligned with IEEE 802.bs
¡ñ 8x50G PAM4 DFB-based LAN-WDM transmitter
¡ñ 8x50G PAM4 retimed 400GAUI-8 electrical interface
¡ñ Duplex LC receptacles
¡ñ I2C management interface

Applications
¡ñ 400G LR8 applications with FEC

×¢£º±¾²úÆ·ÓÐÌìϲú»¯ÐͺſÉÑ¡
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.