product description cisco direct attach active optical cable direct attach cable 3 m type direct attach cable sff 8431 technology twinaxial features active cable signal regeneration length 3 m connectors 1 x sfp connectors other side 1 x sfp manufacturer warranty 90 days warranty designed for catalyst 2960s 2960x 2960xr 3560 3560cx 3560v2 3560x 3650 3750g 3750x 3850nexus 3048 3064 7000 7000 48 7000 m2 series 7700 f2 series 7700 f3 series 9372