Saturday, May 29, 2021

Mellanox ConnectX-5 EN with SFP28 BiDi Transciever

Hi all

I need to terminate a 25 GbE WAN link. Its SMF with λ TX1271nm and RX1331nm. I'm currently looking at the NVIDIA Mellanox MCX4121A-ACAT ConnectX®-4 Lx EN and the NVIDIA Mellanox MCX512A-ACAT ConnectX®-5 EN. I already got cisco branded SFP28 BiDi transcievers with matching λ, but I cant find any Mellanox document stating compatibility with BiDi transcievers in general. Cisco itself lists the Mellanox to be compatible with its 25G-LR-I/S modules, but those arent simplex.

Any ideas if the Mellanox cards would work with those transcievers or are they picky? What would you recommend?



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