![Cisco 12000 Series Router SIP and SPA Hardware Installation 12.0(33)S - Overview: Cisco 12000 Series Router SPA Interface Processors [Cisco 12000 Series Routers] - Cisco Cisco 12000 Series Router SIP and SPA Hardware Installation 12.0(33)S - Overview: Cisco 12000 Series Router SPA Interface Processors [Cisco 12000 Series Routers] - Cisco](https://www.cisco.com/c/dam/en/us/td/i/100001-200000/120001-130000/129001-130000/129102.ps/_jcr_content/renditions/129102.jpg)
Cisco 12000 Series Router SIP and SPA Hardware Installation 12.0(33)S - Overview: Cisco 12000 Series Router SPA Interface Processors [Cisco 12000 Series Routers] - Cisco
![Cisco XR 12410 and Cisco XR 12810 Router Chassis Installation Guide - Chapter 1 - Product Overview [Cisco XR 12000 Series Router] - Cisco Cisco XR 12410 and Cisco XR 12810 Router Chassis Installation Guide - Chapter 1 - Product Overview [Cisco XR 12000 Series Router] - Cisco](https://www.cisco.com/c/dam/en/us/td/i/000001-100000/50001-55000/52501-53000/52636.ps/_jcr_content/renditions/52636.jpg)
Cisco XR 12410 and Cisco XR 12810 Router Chassis Installation Guide - Chapter 1 - Product Overview [Cisco XR 12000 Series Router] - Cisco
![Used Cisco | IP & FiberOptics Solutions | Preowned Parts & Spares for Switches & Routers | Cisco, Juniper, Brocade, Extreme Used Cisco | IP & FiberOptics Solutions | Preowned Parts & Spares for Switches & Routers | Cisco, Juniper, Brocade, Extreme](http://a2net.eu/img/series_cisco_h.jpg)