I have also checked the list that all the HA interconnect cables applies. There are X-SFP-H10GB-CU1M-R6 / X-SFP-H10GB-CU3M-R6 / X-SFP-H10GB-CU5M-R6 cisco cables exist. I just wondering that does 7m/10m cisco active twinax cable work as HA interconnect cable