Have a question regarding CAB-X21MT units? Call us at 877-706-7516 and we’ll be glad to help. We warranty our CAB-X21MT units against defects for 5 years and provide same day shipping on most orders. In addition to CAB-X21MT units, Boxfire provides access to large selections of other cables, usually available for immediate shipment. As well, if you should have any need to sell your excess CAB-X21MT units or any other type Cisco products, please contact us at 877-706-7516.