Mounting Hardware Kit for Cisco Data Systems. Our Cisco compatible Router Rack Mount Kit converts your router into a standard 19" equipment rack. Designed for Cisco Routers with 19" rack mounting holes. This kit is complete with all necessary hardware. Compatible with: 1841 bundle 1841 Integrated Services Router 1841 Security Bundle 1841 T1 Security Bundle 1841 DSL bundle 1841 ADSL over ISDN Bundle 1841 ADSL over POTS Bundle 1841 ADSL over POTS Bundle w/Dying Gasp Cisco 1841 ADSL over Basic Telephone Service Bundle HWIC with ADSL over POTS and ISDN BRI ports