Cisco 3945/K9 Router – High-Performance Enterprise ISR

Usage Area

The CISCO3945/K9 is a modular enterprise-class router designed for deployment in medium to large branch offices and regional headquarters. It serves as an aggregation point for WAN connectivity, routing traffic between geographically distributed sites and the central data center. The platform supports concurrent voice, video, and data services, making it suitable for integrated communications networks. Its modular architecture allows the device to be adapted for varying performance requirements without replacing the chassis.

Construction Features

• Chassis based on the Cisco 3945 Integrated Services Router platform with a modular design.
• Equipped with a Service Performance Engine (SPE150) for enhanced packet processing.
• Includes 3 integrated Gigabit Ethernet (GE) ports for WAN or LAN connectivity.
• Features 4 Enhanced High-Speed WAN Interface Card (EHWIC) slots for interface expansion.
• Provides 4 DSP (Digital Signal Processor) slots and 4 Service Module (SM) slots for voice and application modules.
• Ships with 256 MB Compact Flash (CF) memory and 1 GB DRAM; supports an IP Base (IPB) feature set.

Technical Parameters

• Model/MPN: CISCO3945/K9
• Service Performance Engine: SPE150
• Integrated Ports: 3 x Gigabit Ethernet (GE)
• Expansion Slots: 4 x EHWIC, 4 x DSP, 4 x Service Module (SM)
• Memory (DRAM): 1 GB (included)
• Flash Memory: 256 MB Compact Flash (included)
• Software Feature Set: IP Base (IPB)

Standards & Certification

The router complies with industry-standard safety and electromagnetic compatibility requirements for IT equipment. It is designed to meet European directives for CE marking, including applicable EN standards for emissions and immunity. The device supports standard IP routing protocols as part of its base software feature set.