The Cisco ASR 9001 is a compact, high-capacity, provider-edge router that delivers 120 Gbps of nonblocking, full-duplex fabric capacity in a 2-rack-unit (2RU) form factor. Part of the Cisco ASR 9000 Series, the ASR 9001 is based on the same Cisco IOS XR Software image and delivers the same features and services, allowing customers to standardize on the same Cisco IOS-XR image. The Cisco ASR 9001 has an integrated route switch processor (RSP) and two modular bays, which support 1 Gigabit Ethernet, 10 Gigabit Ethernet, and 40 Gigabit Ethernet modular port adapters. The base chassis has four integrated 10 Gigabit Ethernet enhanced Small Form-Factor Pluggable (SFP+) ports, a GPS input for Stratum 1 clocking, BITS ports, and management ports.