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by Cisco
Product Line: Cisco Cisco 3900 Series
Product Type: Router
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Title: Surplus

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Product Description

The C3945VSECK9 is a desktop, modular 3U router featuring wired connectivity technology and compliance with standards such as IEEE 802.3, IEEE 802.1Q, IEEE 802.1ah, and IEEE 802.1ag. It is equipped with various interfaces including 3 x 10Base-T/100Base-TX/1000Base-T - RJ-45, 64 digital ports, and multiple expansion slots including 4 x EHWIC, 4 x PVDM (3 free), 2 x CompactFlash Card (1 free), 4 x service module (SM), and 1 x ISM. The device requires an AC 120/230 V power supply, measures 43.8 cm in width, 47.6 cm in depth, and 13.3 cm in height, and weighs 17.7 kg.

FAQs for the C3945VSECK9

  • What form factor does the router have?
    The router has a modular 3U desktop form factor.
  • How does the device connect to networks?
    Connectivity is achieved through wired technology.
  • Is the device compliant with any standards?
    Yes, it complies with IEEE 802.3, IEEE 802.1Q, IEEE 802.1ah, and IEEE 802.1ag standards.
  • What types of status indicators does the router have?
    It features LED status lights for link activity and power.
  • Can the router support voice or fax communications?
    Yes, it includes a voice/fax module.
  • How many digital ports are available on the router?
    There are 64 digital ports available.
  • What types of interfaces does the router offer?
    It offers 3 x RJ-45 for 10Base-T/100Base-TX/1000Base-T, 1 x mini-USB Type B for management, 1 x RJ-45 for auxiliary, 2 x 4 PIN USB Type A for high-speed USB, and 2 x SFP (mini-GBIC).
  • What are the expansion capabilities of the router?
    The router has 4 EHWIC slots, 4 PVDM slots with 3 free, 2 CompactFlash Card slots with 1 free, 4 service module (SM) slots, and 1 ISM slot, all free.
  • What type of power supply is included?
    It includes an internal power supply that requires AC 120/230 V (50/60 Hz).
  • What are the physical dimensions and weight of the router?
    The router measures 43.8 cm in width, 47.6 cm in depth, 13.3 cm in height, and weighs 17.7 kg.

Product Review

The Cisco C3945VSECK9 offers a comprehensive range of interfaces including 3 Gigabit Ethernet ports, multiple digital ports, and expandable options through EHWIC, PVDM, CompactFlash, and service module slots, catering to versatile networking needs. However, its significant weight (17.7 kg) and large form factor (3U) may limit its deployment in environments with space constraints. Additionally, the router supports a wide array of IEEE standards and provides internal power supply options for AC 120/230 V, ensuring compatibility and reliability in various operational setups.


The Cisco C3945VSECK9 is a versatile and high-performance router designed for desktop deployment in a modular 3U form factor. This device is engineered to support wired connectivity, adhering to a range of standards including IEEE 802.3, IEEE 802.1Q, IEEE 802.1ah, and IEEE 802.1ag, ensuring wide compatibility and reliable performance in diverse networking environments. At the core of its design, the router features a voice/fax module, highlighting its capability to handle voice communications alongside traditional data networking. This dual-functionality makes it an ideal choice for organizations looking to consolidate their communication infrastructure. In terms of interfaces, the Cisco C3945VSECK9 offers a comprehensive set of ports and slots to accommodate various networking needs: - Digital Ports support up to 64 connections, providing ample capacity for large-scale operations. - Three RJ-45 ports support 10Base-T/100Base-TX/1000Base-T connections, offering flexibility in network speed and cabling. - Management is facilitated through a mini-USB Type B console port, ensuring straightforward device setup and configuration. - Additional connectivity options include a serial auxiliary port (RJ-45), two high-speed USB ports (4 PIN USB Type A), and two SFP (mini-GBIC) slots for fiber optic connections. The device boasts a generous array of expansion slots, all designed to enhance the router's functionality and adaptability: - Four EHWIC slots, all free, allow for a wide range of interface cards. - Four PVDM slots, with three currently available, support voice and video processing. - Two CompactFlash Card slots, with one available, provide storage options for software, configuration files, and more. - Four service module (SM) slots, all free, and one ISM slot, free, further extend the device's capabilities in specialized applications. Powered by an internal power supply, the Cisco C3945VSECK9 requires AC 120/230 V (50/60 Hz), making it suitable for global deployment without the need for additional power converters. Its physical dimensions, with a width of 43.8 cm, a depth of 47.6 cm, and a height of 13.3 cm, coupled with a weight of 17.7 kg, are balanced to offer substantial performance while maintaining a manageable size for desktop or rack placement. LED status light indicators for link activity and power provide at-a-glance monitoring of the router's operational status, ensuring network administrators can quickly assess the health and activity of the network. In summary, the Cisco C3945VSECK9 is a comprehensive solution designed to meet the networking needs of medium to large-sized organizations. Its wide range of interfaces and expansion options, combined with reliable performance standards, make it a valuable asset in any data or voice networking environment.


Part Number and ManufacturerCisco C3945VSECK9
Form FactorModular desktop - 3U size
Connectivity TypeCable-based
Supported StandardsIEEE 802.3, IEEE 802.1Q, IEEE 802.1ah, IEEE 802.1ag
Indicator LEDsLink operation, power status
Module TypeVoice/fax module
Digital Interface Ports Quantity64
Interface3 x RJ-45 for 10Base-T/100Base-TX/1000Base-T
Interface Management1 x mini-USB Type B console
Interface Serial1 x auxiliary RJ-45
Interface USB2 x USB Type A (4-pin)
Interface2 x mini-GBIC SFP
Expansion Slots (Available)4 (4) x EHWIC
Expansion Slots (Available)4 (3) x PVDM
Expansion Slots (Available)2 (1) x CompactFlash Card
Expansion Slots (Available)4 (4) x service module (SM)
Expansion Slots (Available)1 (1) x ISM
Power SupplyInternal power supply unit
Required VoltageAC 120/230 V (50/60 Hz)
Dimensions (W x D x H)43.8 cm x 47.6 cm x 13.3 cm
Weight17.7 kg

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