Cisco CISCO3945/K9 3 Port Module Router
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Cisco CISCO3945/K9 3-Port Router 3900 Series Integrated New

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Part Number#: CISCO3945/K9
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Short Description:
CISCO3945/K9 3-Port Router 3945 Integrated Services 4 x PVDM, 4 x HWIC, 5 x Services Module, 2 x Compact Flash (CF) Card, 2 x Small Form-Factor Pluggable (SFP) 3 x 10/100/1000Base-T Network WAN | Made by Cisco | New Factory Sealed
Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

Product overview for the Cisco CISCO3945/K9

In the rapidly evolving landscape of networking solutions, the Cisco CISCO3945/K9 3-Port Router stands out as a versatile and powerful integrated services router. This comprehensive review aims to provide an in-depth understanding of its features, capabilities, and applications. From the number of ports to the supported modules, we'll explore the nuances that make the CISCO3945/K9 an essential choice for businesses seeking robust networking solutions.

Overview of Cisco CISCO3945/K9

The Cisco CISCO3945/K9 is a 3-Port Router that belongs to the Integrated Services Router (ISR) series. Designed to meet the demanding needs of modern networking, this router offers a range of features that make it suitable for a variety of applications, from small to large enterprises.

Ports and Interfaces

The CISCO3945/K9 comes equipped with three primary ports, facilitating seamless connectivity for diverse network environments. These ports include 3 x 10/100/1000Base-T Network WAN ports, enabling high-speed data transfer and efficient network performance.

Expansion Slots

The router features essential expansion slots, including 4 x PVDM (Packet Voice Digital Signal Processor Modules), 4 x HWIC (High-Speed WAN Interface Card) slots, and 5 x Services Module slots. These expansion options enhance the router's adaptability, allowing users to customize and scale their networking infrastructure according to their specific requirements.

Integrated Services

The inclusion of 4 x PVDM modules signifies the router's commitment to supporting voice applications. These modules provide the necessary processing power for voice and video traffic, ensuring clear and reliable communication over the network.

HWIC (High-Speed WAN Interface Card) Slots

The 4 x HWIC slots play a pivotal role in extending the router's capabilities by supporting a variety of high-speed WAN connectivity options. This flexibility is crucial for businesses with diverse connectivity needs, such as multiple branch offices or remote locations.

Services Module Slots

With 5 x Services Module slots, the CISCO3945/K9 allows users to integrate additional services into their network infrastructure. These modules can accommodate various services, ranging from security features to advanced routing protocols, enhancing the overall functionality of the router.

Storage Capabilities

The presence of 2 x Compact Flash (CF) Card slots ensures ample storage space for the router. This is particularly valuable for storing configuration files, firmware updates, and other essential data. The CF card slots contribute to the overall reliability and accessibility of the router's storage system.

SFP (mini-GBIC) Slots

The CISCO3945/K9 is equipped with 2 x SFP (mini-GBIC) slots, offering additional flexibility for network connectivity. These slots support Small Form-Factor pluggable transceivers, enabling the router to connect to fiber-optic networks and extend its reach in diverse networking environments.

Network Performance and Efficiency

The 3 x 10/100/1000Base-T Network WAN ports contribute significantly to the router's network performance. These high-speed ports ensure efficient data transfer and low-latency communication, making the CISCO3945/K9 suitable for bandwidth-intensive applications and large-scale network deployments.

Applications and Use Cases

The Cisco CISCO3945/K9 router is well-suited for enterprise networking, providing the necessary features and scalability to support the complex requirements of large organizations. Its robust architecture and integrated services make it an ideal choice for businesses with diverse networking needs.

Branch Office Connectivity

For organizations with multiple branch offices, the router's modular design and versatile interfaces make it an excellent solution. The ability to add HWIC and Services Module cards allows for seamless integration with various connectivity options, ensuring reliable communication between headquarters and remote locations.

Voice and Video Applications

The inclusion of PVDM modules makes the CISCO3945/K9 a viable option for voice and video applications. The router can efficiently process and prioritize voice and video traffic, ensuring a high-quality user experience for communication and collaboration applications.

Security Features

In addition to its networking capabilities, the CISCO3945/K9 router incorporates robust security features to protect against potential threats and vulnerabilities. The router supports advanced security protocols, encryption algorithms, and access control mechanisms, making it a secure choice for safeguarding sensitive data and network integrity.

General Information about the Cisco CISCO3945/K9

  • Manufacturer: Cisco
  • Model Number or SKU# CISCO3945/K9
  • Product Type: Router

Technical Information for the 3-Port Router

  • Network / Transport Protocol: IPSec, PPPoE, L2TPv3
  • Form Factor: Rack-mountable
  • Routing Protocol: OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing, policy-based routing (PBR)
  • Remote Management Protocol: SNMP, RMON
  • Encryption Algorithm: SSL
  • RAM: 1 GB (installed) / 2 GB (max)
  • Flash Memory: 256 MB (installed) / 8 GB (max)
  • Status Indicators: Power, link/activity

Interfaces/Ports of 3 Ports Router

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

I/O Expansions for Integrated Services Module Router

  • Number of Total Expansion Slots 17
  • Expansion Slot Type SFP (mini-GBIC)
  • Expansion Slot Type HWIC
  • Expansion Slot Type PVDM

Network and Communication

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

Management & Protocols

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

Product Features

  • Firewall protection, VPN support, MPLS support, Syslog support, content filtering, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED), Quality of Service (QoS), Dynamic Multipoint VPN (DMVPN)

Expansion / Connectivity

  • Interfaces: 3 x 10Base-T/100Base-TX/1000Base-T - RJ-45 ¦ Management: 1 x console - RJ-45 ¦ Management: 1 x console - mini-USB Type B ¦ Serial: 1 x auxiliary - RJ-45 ¦ USB 2.0: 2 x 4 pin USB Type A ¦ 2 x SFP (mini-GBIC)
  • Expansion Slots: 4 (total) / 4 (free) x EHWIC ¦ 4 (total) / 4 (free) x PVDM ¦ 2 (total) / 1 (free) x CompactFlash ¦ 1 (total) / 1 (free) x expansion slot ¦ 4 (total) / 4 (free) x service module (SM)


  • Standard Memory: 1 GB
  • Maximum Memory: 2 GB
  • Memory Technology: DRAM
  • Memory Card Supported CompactFlash (CF) Card
Power Description
  • Input Voltage: 110 V AC
  • Input Voltage: 220 V AC
  • Power Source Power Supply
  • Redundant Power Supply: Yes
Environmental Parameters
  • Min Operating Temperature 32 °F
  • Max Operating Temperature 104 °F
  • Humidity Range Operating 5 - 85%
  • Package Contents: 3945 Integrated Services Router
  • Services Performance Engine (SPE)
  • Compact Flash (external): Default 256MB

Outline, the Cisco CISCO3945/K9 3-Port Router emerges as a formidable contender in the realm of integrated services routers. Its combination of versatile interfaces, expansion options, and integrated services makes it a valuable asset for businesses seeking a reliable and scalable networking solution. Whether deployed in enterprise environments, branch offices, or for specific applications like voice and video communication, the CISCO3945/K9 exemplifies Cisco's commitment to delivering cutting-edge networking solutions. As technology continues to advance, the CISCO3945/K9 stands ready to meet the evolving needs of the digital landscape, providing a foundation for robust and efficient network infrastructure.

Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

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