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

The C3945EVSECK9 Cisco router supports Voice-Security Bundle and is designed for desktop placement with a modular 3U form factor, ensuring compatibility with various networking environments. It features 1 GB of DRAM memory, expandable to 2 GB, and 256 MB of flash memory, upgradeable to 8 GB, to accommodate advanced networking needs. Connectivity options include three 10Base-T/100Base-TX/1000Base-T - RJ-45 interfaces, two SFP (Mini-GBIC) ports, and support for Ethernet, Fast Ethernet, and Gigabit Ethernet protocols, alongside comprehensive routing, network/transport, and remote management protocols for versatile network configuration and management.

FAQs for the C3945EVSECK9

  • What form factor does the networking device support?
    The device supports a desktop modular form factor with a 3U size.
  • Can the device handle Gigabit Ethernet connections?
    Yes, it supports Ethernet, Fast Ethernet, and Gigabit Ethernet data line protocols.
  • What routing protocols are included?
    It includes OSPF, IS-IS, BGP, EIGRP, DVMRP, and PIM-SM routing protocols.
  • Is SNMP supported for remote management?
    Yes, the device supports SNMP and RMON for remote management.
  • How much DRAM memory is installed, and what is the maximum supported?
    The device comes with 1 GB of DRAM memory installed, with support for up to 2 GB.
  • What voice codecs does the device support?
    Supported voice codecs include G.711, G.722, G.723.1, G.728, G.729, G.729a, G.729ab, and G.726.
  • How many digital ports are available?
    The device features 64 digital ports.
  • What is the voltage rating for this device?
    The voltage rating is 120 VAC / 230 VAC.
  • What are the dimensions and weight of the device?
    The device measures 43.8 cm in width, 13.3 cm in height, and 47.6 cm in depth, weighing 17.7 kg.
  • How many SFP ports does the device have?
    There are 2 SFP (Mini-GBIC) ports available.

Product Review

The Cisco C3945EVSECK9 offers a comprehensive suite of network protocols including advanced routing protocols such as OSPF, IS-IS, BGP, EIGRP, alongside robust security features with IPSec and PPPoE, catering well to diverse network infrastructure needs. However, the initial DRAM and flash memory capacities might be limiting for high-demand environments, though they are expandable to 2 GB and 8 GB respectively, offering some level of future-proofing. Additionally, its form factor and weight necessitate considerable rack space and planning for physical installation in a network closet or data center.


The Cisco C3945EVSECK9 is a desktop modular router designed for secure voice and data communication within a network. This model, part of Cisco's 3900 series, integrates multiple services that optimize the performance of medium to large-sized enterprise networks. The router's form factor is desktop-modular with a 3U size, making it suitable for rack-mount installation as well. Key specifications include support for various connectivity and data line protocols. It offers wired connectivity with Ethernet, Fast Ethernet, and Gigabit Ethernet capabilities. For network and transport protocols, it supports IPSec, PPPoE, and L2TPv3, among others. The routing protocols available on this device are comprehensive, including OSPF, IS-IS, BGP, EIGRP, DVMRP, and PIM-SM, allowing for flexible and scalable network designs. Remote management is streamlined through SNMP and RMON protocols, facilitating efficient network operations and monitoring. The Cisco C3945EVSECK9 adheres to several IEEE standards such as IEEE 802.3, IEEE 802.1Q, IEEE 802.1ah, and IEEE 802.1ag, ensuring interoperability and reliability within diverse network environments. Hardware specifications detail a DRAM memory configuration that starts at 1 GB and can be expanded up to 2 GB. Flash memory is initially set at 256 MB but supports expansion up to 8 GB, providing ample space for operating system and application storage. The router features LED status indicators for link activity and power, offering at-a-glance system monitoring.
  • It includes 64 digital ports that support a wide range of voice codecs such as G.711, G.722, G.723.1, G.728, G.729, and more, ensuring high-quality voice transmission.
  • The device is equipped with three RJ-45 interfaces for 10Base-T/100Base-TX/1000Base-T connections, two management interfaces (Console RJ-45 and Mini-USB Type B), and one serial auxiliary RJ-45 port.
  • For external connections, there are two high-speed USB ports (Type A) and two SFP (Mini-GBIC) ports, alongside 16 expansion slots, allowing for significant network customization and expansion.
The Cisco C3945EVSECK9 operates on a voltage rating of 120 VAC /230 VAC, accommodating a variety of power supplies and reducing the need for additional power converters in different regions. Its dimensions are 43.8 cm in width, 13.3 cm in height, and 47.6 cm in depth, with a weight of 17.7 kg, making it a substantial but manageable piece of networking equipment for enterprise environments. In summary, the Cisco C3945EVSECK9 is a versatile and secure router designed for medium to large-sized enterprises. It offers a wide range of connectivity options, robust security protocols, and flexible expansion capabilities to meet the demands of complex network infrastructures.


Item Number Cisco C3945EVSECK9
Package Includes Voice-Security Bundle
Design Configuration Desktop, Modular, 3U
Connection Type Wired
Supported Communication Protocols Ethernet, Fast Ethernet, Gigabit Ethernet
Protocols for Network and Transport IPSec, PPPoE, L2TPv3
Supported Routing Protocols OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM
Management Protocols SNMP, RMON
Standards Compliance IEEE 802.3, IEEE 802.1Q, IEEE 802.1ah, IEEE 802.1ag
Memory - DRAM (Installed/Max) 1 GB / 2 GB
Storage - Flash (Installed/Max) 256 MB / 8 GB
Indicator Lights Link Activity, Power
Digital Port Count 64
Supported Voice Codecs G.711, G.722, G.723.1, G.728, G.729, G.729a, G.729ab, G.726
Ethernet Ports - RJ-45 3
Interface for Management 2 (Console RJ-45 and Mini-USB Type B)
Serial/Aux Ports - RJ-45 1
USB Ports - High-Speed 2 (Type A)
SFP (Mini-GBIC) Port Count 2
Expansion Slot Total 16
Power Requirement 120 VAC / 230 VAC
Width 43.8 cm
Height 13.3 cm
Depth 47.6 cm
Unit Weight 17.7 kg

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