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June 27th, 2022 14:00
Mellanox ConnectX-6 Dx Dual Port 100 GbE QSFP56 Adapters: Cabling
Use case:
Cross connecting 2 of these adapters in R7525 servers for iSCSI software san. I understand cabling is a finicky thing with this type of device.
Trying to confirm a part number for DAC cables ebtweebn two of these Dell/Mellanox ConnectX-6 DX QSFP56 adapters. QSFP28 seems to be fine and will run at 100GbE so will 3CC35 work?
Thanks!
Jeff
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DELL-Joey C
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June 27th, 2022 20:00
Hi @TDA MIS Dept,
Would the ConnectX-6 DX DPN# is 8P2T2?
If yes, then DPN# 3CC35 cable would work on the ConnectX-6 DX and R7525.
TDA MIS Dept
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June 28th, 2022 16:00
No it appears to be F6FXM. I am a little bewildered how there are two different DPNs for the same Mellanox ConnectX-6 DX Dual Port QSPF56 100GbE adapters but not surprised I suppose.
Does the cable work with this one? Or is there a different cable I should purchase?
Thanks Joey C!!
Cheers, Jeff
DELL-Joey C
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June 28th, 2022 19:00
Hello @TDA MIS Dept Jeff,
No worries, the part# that I gave you was the full height PCIe card, whilst F6FXM is half height card. Yup, the cable works for F6FXM too.