Part of the Cisco® ASR 9000 Series, the Cisco ASR 9001-S Router (Figure 1) is a compact, high-capacity provider edge router that delivers 60 Gbps of nonblocking, full-duplex fabric capacity in a two-rack-unit (2RU) form factor. The Cisco ASR 9001-S router can be upgraded to deliver 120 Gbps capacity by applying an upgrade license. Because it is based on the same Cisco IOS® XR Software image as other routers in the Cisco ASR 9000 Series, the Cisco ASR 9001-S Router delivers the same features and services found on the Cisco ASR 9000 Series platforms, which allows service providers to standardize on the same Cisco IOS XR image. The Cisco ASR 9001-S Router has an Integrated route switch processor (RSP) and two modular bays that support 1, 10, and 40 Gigabit Ethernet modular port adapters (MPAs). The base chassis has four integrated 10 Gigabit Ethernet Enhanced Small Form-Factor Pluggable (SFP+) ports, a GPS input for stratum-1 clocking, Building Integrated Timing Supply (BITS) ports, and management ports. Two integrated 10 Gigabit Ethernet SFP+ ports and the Bay 0 slot is enabled by default in the Cisco ASR 9001-S. Another two integrated 10 Gigabit Ethernet SFP+ ports and the Bay 1 slot can be enabled by applying an upgrade license.
Figure 1. Cisco ASR 9001-S Router

Cisco ASR 9000 Series Aggregation Services Routers deliver exceptional scale, service flexibility, and high availability to Carrier Ethernet transport networks. The routers are powered by Cisco IOS XR Software, an innovative self-healing, distributed operating system designed for highly dependable operation. This same operating system powers industry-leading routers such as the Cisco CRS Carrier Routing System, bringing the same reliability, scalability, performance, and comprehensive features that have made the Cisco CRS a leading choice for the service provider core. Cisco IOS XR Software also allows for an end-to-end IP and Multiprotocol Label Switching (MPLS) solution based on the same software,