On 01/13/2011 08:38 PM, jack daniels wrote: > is there any RJ45 port on SUP. I thnk its not , only thig u SUP720 and RSP720 both have an RJ45 port; If your sup is in slot 5, int Gi5/2 is a dual-port port: int Gi5/2 media rj45 ...and those ports support 10/100 operation.