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Cisco CISCO3925-SEC/K9

Cisco 3900 Series - 3925 Security Bundle (with SEC License PAK)
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High performance with integrated services

The Cisco 3900 Series builds on the best-in-class offering of the existing Cisco 3800 Series Integrated Services Routers by now offering four platforms: the Cisco 3945E, Cisco 3925E, Cisco 3945, and Cisco 3925 Integrated Services Routers. The Cisco 3900 Series offers embedded hardware encryption acceleration, voice- and video-capable DSP slots, optional firewall, intrusion prevention, call processing, voicemail, and application services. In addition, the platforms support the industry"s widest range of wired and wireless connectivity options such as T1/E1, T3/E3, xDSL, copper, and fiber Gigabit Ethernet. The Cisco 3900 Series offers superior performance and flexibility for flexible network deployments from small business offices to large enterprise offices - all while providing industry-leading investment protection.

General Information

  • Product Type: Router
  • Product Series: 3900
  • Brand Name: Cisco
  • Manufacturer: Cisco Systems, Inc
  • Product Model: 3925
  • Product Name: 3925 Integrated Services Router

Physical Characteristics

  • Compatible Rack Unit: 3U
  • Height: 5.3"
  • Width: 17.3"
  • Depth: 18.8"
  • Form Factor: Rack-mountable
  • Weight (Approximate): 39.02 lb


  • Total Number of Ports: 3
  • USB: Yes
  • Management Port: Yes
  • Number of Broadband (RJ-45) Ports: 3


  • Additional Information:
    • Security license Pack
    • Services Performance Engine (SPE) C3900-SPE100/K9
    • Compact Flash (external): Default 256MB
    • Compact Flash (external): Maximum 4 GB
    • Cisco Unified CCME Sessions: 250
    • Cisco Unified SRST Sessions: 730
    • Expansion Slots:
    • 2 x Service Module
    • 1 x Internal Services Module (ISM)

Management & Protocols

  • Security Features:
    • Cisco Security Manager
    • Cisco IOS Firewall
    • Cisco IOS Zone-Based Firewall
    • Cisco IOS IPS
    • Cisco IOS Content Filtering
    • Flexible Packet Matching (FPM)
    • AAA

Power Description

  • Redundant Power Supply: Yes
  • PoE (RJ-45) Port: Yes
  • Input Voltage:
    • 110 V AC
    • 220 V AC
  • Power Source: Power Supply

I/O Expansions

  • Number of Total Expansion Slots: 15
  • Expansion Slot Type:
    • SFP (mini-GBIC)
    • HWIC
    • PVDM


  • Standard Memory: 1 GB
  • Memory Card Supported: CompactFlash (CF) Card
  • Memory Technology: DRAM
  • Maximum Memory: 2 GB

Network & Communication

  • Ethernet Technology: Gigabit Ethernet
  • Network Technology: 10/100/1000Base-T

Full specifications (PDF)


The Cisco CISCO3925-SEC/K9 is also known as CSC-CISCO3925SECK9 or CISCO3925SECK9 .