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by Cisco
Product Line: Cisco Series
Product Type: Router
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Product Description

The CISCO3925-SEC/K9 is equipped with a Services Performance Engine (SPE) 100 module, enhancing its processing capabilities. It offers versatile connectivity options with 3 integrated 10/100/1000 Ethernet ports, two of which support RJ-45 or SFP connectivity, and is expandable via 2 service module slots, 1 Internal Services Module slot, 4 DSP slots, and 4 Enhanced High-Speed WAN Interface Card (EHWIC) slots. Designed for rack mounting, it requires 3U of space, with dimensions of 47.6 cm x 43.8 cm x 13.3 cm and a package weight of 27.78 Kg.

FAQs for the CISCO3925-SEC/K9

  • What is the form factor of the Services Performance Engine module with SPE 100?
    The form factor is 3U.
  • How many Ethernet ports are available on this device?
    There are 3 integrated 10/100/1000 Ethernet ports.
  • Can the Ethernet ports support both RJ-45 and SFP connectivity?
    Yes, 2 of the integrated Ethernet ports can support either RJ-45 or SFP connectivity.
  • What types of expansion slots are included with the Services Performance Engine module?
    It includes 2 service module slots, 1 Internal Services Module slot, 4 DSP slots, and 4 EHWIC slots.
  • How many onboard digital signal processor (DSP) slots does it have?
    The device has 4 onboard DSP slots.
  • What are the dimensions of this networking hardware?
    The dimensions are 47.6 cm x 43.8 cm x 13.3 cm.
  • Is there an option for internal service module expansion?
    Yes, there is 1 Internal Services Module slot available for expansion.
  • How much does the package weigh?
    The package weight is 27.78 Kg.
  • How many Enhanced High-Speed WAN Interface Card (EHWIC) slots are there?
    There are 4 EHWIC slots available.
  • What is the total number of service module slots offered?
    There are 2 service module slots provided.

Product Review

The CISCO CISCO3925-SEC/K9 offers versatile connectivity options, including three integrated 10/100/1000 Ethernet ports with dual RJ-45 or SFP capability, enhancing network flexibility. However, its considerable size, occupying 3U rack space, and a weight of 27.78 Kg, may pose installation challenges in space-constrained environments. It supports extensive expansion with two service module slots, one Internal Services Module slot, four DSP slots, and four EHWIC slots, catering to a wide range of network demands.


The CISCO CISCO3925-SEC/K9 is a networking device designed to meet the requirements of medium to large-sized enterprise networks. It offers a comprehensive set of features aimed at providing high levels of performance, security, and flexibility. At its core, the device is powered by the Services Performance Engine (SPE) 100, which is integral to its ability to deliver enhanced processing capabilities and support for a wide array of services and applications. This router occupies 3U of rack space, making it a sizable unit that fits standard equipment racks. Its dimensions are 47.6 cm in width, 43.8 cm in depth, and 13.3 cm in height, with a package weight of 27.78 Kg, indicating its substantial build and the quality of materials used in its construction. Connectivity is a strong point for the CISCO3925-SEC/K9, featuring three integrated 10/100/1000 Ethernet ports. Among these, two ports offer dual-mode functionality, supporting both RJ-45 or SFP (Small Form-factor Pluggable) connectivity. This allows for flexible connection options whether for copper-based Ethernet or fiber optic links, catering to a variety of network topologies and media types. Expansion capabilities are extensive, ensuring that the router can adapt to changing network demands and accommodate future growth. The device includes: - Two service module slots, which allow for the integration of various service modules to extend the router's functionality. - One Internal Services Module slot, dedicated to enhancing the router's internal capabilities. - Four onboard digital signal processor (DSP) slots, essential for processing complex voice and video data. - Four Enhanced High-Speed WAN Interface Card (EHWIC) slots, which support a wide range of interface types for WAN connectivity. These expansion slots provide the flexibility needed to customize the router according to specific network requirements, whether it's for increased throughput, enhanced services, or additional interfaces. In summary, the CISCO CISCO3925-SEC/K9 is engineered to support the dynamic and growing needs of modern enterprise networks. Its combination of powerful performance, extensive connectivity options, and flexible expansion make it a suitable choice for organizations looking to deploy a reliable and scalable networking solution. The device's robust feature set, including the SPE 100 module and a diverse range of interface and expansion options, positions it as a versatile and future-proof investment for enterprises aiming to enhance their network infrastructure.


Part Number and Manufacturer CISCO CISCO3925-SEC/K9
Service Engine Module Includes SPE 100
Form Factor 3U size for rack mounting
Network Ports Three built-in 10/100/1000 Ethernet interfaces, with two supporting either RJ-45 or SFP options
Service Module Expansion Two slots available for service modules
Internal Service Module Slot One slot designated for internal service modules
Digital Signal Processor Slots Four slots dedicated for onboard digital signal processors
EHWIC Slots Four slots for Enhanced High-Speed WAN Interface Cards
Physical Dimensions Width: 47.6 cm, Depth: 43.8 cm, Height: 13.3 cm
Total Weight 27.78 kilograms

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