Description
The Cisco CISCO3845-SRST/K9 is a robust Integrated Services Router designed for enterprise-level branch offices requiring high-performance, secure, and scalable network solutions. Housed in a 3RU chassis, this router features dual integrated power supplies for redundancy and offers four high-speed WAN interface card (HWIC) slots, three network module (NM) slots, and two onboard Gigabit Ethernet ports. Built with Survivable Remote Site Telephony (SRST) capabilities, it ensures continued voice service during WAN outages, making it ideal for businesses with critical VoIP infrastructure. Its modular design allows for flexible configuration and easy upgrades to meet evolving network demands.
Powered by a 700 MHz processor and supporting up to 1 GB of DRAM and 256 MB of flash memory, the CISCO3845-SRST/K9 delivers reliable performance for data, voice, and security applications. The router supports a wide range of Cisco IOS Software features and integrates services such as firewall, VPN, and intrusion prevention. With its high throughput and support for multiple T1/E1 connections, it’s well-suited for demanding network environments. When buying used, ensure the unit includes key components like power supplies, interface cards, and rack-mount kits for a complete deployment solution.

