DAC cable for FEX and Nexus 5000 (477 Views)
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Registered: ‎01-09-2007
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DAC cable for FEX and Nexus 5000

Pierre had a customer cable question:




I have a customer that use HP BLc Cisco B22HP Fabric Ext Module with Nexus 5000, he bought DAC cable (487654-001) 1 meter. He is experiencing problem with 30 % of the cables, he bought 100 of them.  


He did start to buy cisco cable and have not issues, is there a known issue with HP cables?




Comment from Lawrance:




What sort of problems is your customer experiencing with the cables?


The part number looks like a “spare part” type of part number.  The equivalent HP “Cisco” cables that I have are as follows:


HP C-Series SFP+ to SFP+ Copper 3.0m Direct Attach Cable - AP784A

HP C-Series SFP+ to SFP+ Copper 5.0m Direct Attach Cable - AP785A


These are listed as certified on the Cisco Nexus 2K/5K certification Matrix.


The Cisco part number for the DAC cables is SFP-H10GB-CU3M




There are certain minimum firmware versions that Cisco require for these cables as per the weblink above.  Perhaps your customer has old firmware on their Cisco switches?




Comments or suggestions?


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