The Cisco 1000 Series Integrated Services Routers (ISRs) provide a comprehensive routing and security solution for small and mid-sized enterprise branch offices and campuses. This router series includes the Cisco ISR 1100, 1100-4G, 1110-4G, 1120, and 1140 models.

Key features of the Cisco ISR 1000 Series include: gigabit routing performance, modular design, network virtualization, application optimization, cloud connectivity, and advanced threat protection. The routers are powered by the Cisco IOS XE operating system designed for security, mobility, application experience, and virtualization.

The modular design of Cisco ISR 1000 routers allows customers to customize them to their specific needs with various interface modules and service modules. Overall, the ISR 1000 Series delivers enterprise-class capabilities in a compact form factor ideal for small sites.