Cisco 2921 Integrated Services Router
Cisco 2921 Integrated Services RouterRequest A Quote
Cisco 2921 Integrated Services Router
Cisco 2921 Integrated Services Router
SKU: Cisco-2921-Integrated-Services-Router Category:
  • 3 Integrated 10/100/1000 Ethernet ports with 1 port capable of RJ-45 or SFP connectivity
  • 1 service module slot
  • 4 Enhanced High-Speed WAN Interface Card (EHWIC) slots
  • 3 onboard digital signal processor slots
Hardware prices are hardware prices. MDSi is the leader because we focus on what really impacts your bottom line—Cost.

Product Description

The Cisco 2921 Integrated Services Router (ISR) enables borderless networks at the branch by delivering secure data, voice, video, and application services for small offices and branches.  Offering unmatched value in the total cost of ownership savings and network congestion reduction, the Cisco 2921 Integrated Services Routers are fully customized hardware solutions that assure the continuous transfer of data and media within your company’s infrastructure. MDSi carries reliable networking products that can be delivered within 24 hours. Request a Quote to receive pricing, or call 1-800-874-9850 for more detailed information.

Cisco 2921 Integrated Services Router

The Cisco 2921 ISR builds on the best-of-class offering of the previous Cisco 2800 Series ISR by offering four distinct modules, of which the 2921 is the one of the mid-teir routers available. With its forward thinking multi-core CPU’s, support for high capacity DSPs (digital signal processors), Gigabit Ethernet switching with enhanced PoE (Power over Ethernet), hardware-based VPN encryption acceleration, intrustion-protection, and a host of monitoring and control abilities, the 2921 is the cornerstone of many stable networks. The enhanced security version, the Cisco 2921-SEC/K9 addition, is also available.

Technical Specifications

  • Services and Slot Density
    • Embedded Hardware-Based Cryptography and Acceleration
    • Cisco Unified SRST Sessions: 100
    • Cisco Unified CCME Sessions: 100
    • Total Onboard WAN 10/100/1000 Ports: 3
    • RJ-45-Based Ports: 3
    • SFP-Based Ports (use of SFP port disables the corresponding RJ-45 port): 1
    • Service Module Slots: 1
    • Double-Wide Service Module Slots (use of a double-wide slot will occupy all single-wide service module slots in a 2900): 1
    • EHWIC Slots: 4
    • Double-Wide EHWIC Slots (use of a double-wide EHWIC slot will consume two EHWIC slots): 2
    • ISM Slots: 1
    • Onboard DSP (PVDM) Slots: 3
    • Memory DDR2 ECC DRAM – Default: 512MB
    • Memory (DDR2 ECC DRAM) – Maximum: 2GB
    • Compact Flash (External) – Default:
      • Slot 0: 256MB
      • Slot 1: none
    • Compact Flash (External) – Maximum
      • Slot 0: 4GB
      • Slot 1: 4GB
    • USB Console Port (Type B) (up to 115.2 kbps): 1
    • Serial Console Port: 1
    • Serial Auxiliary Port: 1
  • Power
    • Power-Supply Options: AC, PoE, and DC
    • RPS Support (External) Cisco RPS 2300
    • AC Input Voltage: 100 to 240 VAC auto ranging
    • AC Input Frequency: 47 to 63 Hz
    • AC Input Current Range AC Power Supply (Maximum): 3.4 to 1.4A
    • AC Input Surge Current: <50A
    • Typical Power (No Modules) (Watts): 70
    • Maximum Power with AC Power Supply (Watts): 320
    • Maximum Power with PoE Power Supply (Platform Only) (Watts): 370
    • Maximum End-Point PoE Power Available from AC PoE Power Supply (Watts): 280
    • Maximum End-Point PoE Power Capacity with PoE Boost (Watts): 750
    • DC Input Voltage: 24 to 60 Vdc, autoranging positive or negative
    • DC Input Current: (MAX) 12A (24V), 5A (60V)
  • Physical Specifications
    • Dimensions (H x W x D): 3.5 x 17.25 x 18.5 in. (88.9 x 438.2 x 469.9 mm)
    • Rack Height: 2RU
    • Rack-Mount 19 in. (48.3 cm) EIA: included
    • Rack-Mount 23 in. (58.4 cm) EIA: optional
    • Wall-Mount (refer to installation guide for approved orientation): No
    • Weight with AC Power Supply (No Modules): 29 lb (13.2 kg)
    • Weight with AC PoE Power Supply (No Modules): 30 lb (13.6 kg)
    • Typical Weight Fully Configured: 34 lb (15.5 kg)
    • Airflow: Back and Side to Front
  • Environmental Specs
    • Temperature: 9,843 feet (3,000m ) Maximum Altitude: 32 to 104ºF (0 to 40ºC)
    • Temperature: 13,123 feet (4,000m) Maximum Altitude: 32 to 86ºF (0 to 30ºC)
    • Relative Humidity: 10 to 85%
    • Acoustic: Sound Pressure (Typical/Maximum): 54.4/67.4 dBA
    • Acoustic: Sound Power (Typical/Maximum): 62.6/74.5 dBA

The Cisco 2900 Series ISR

The Cisco 2921 ISR is a full-featured router and is a part of the Cisco 2900 Series ISR family, which support the industries widest range of wired and wireless connectivity options such as T1/E1, T3/E3, xDSL, copper and fiber GE. All Cisco 2900 Series Integrated Services Routers offer

  • embedded hardware encryption acceleration
  • voice and video-capable digital signal processor (DSP) slots
  • optional firewall
  • intrusion prevention
  • call processing
  • voicemail
  • application services.

About MDSi

New and Refurbished Cisco 2921 Series Integrated Services Routers

Our Cisco 2921 routers provide exceptional value and may be just what you need for your application and bottom line.  MDSi carries Cisco Integrated Services Routers and, in most cases, MDSi can ship your router overnight to more than 60 countries worldwide. To rent, lease, or buy a new Cisco 2921 ISR, simply Add to Quote and Submit.

Need Maintenance or Support?

MDSi can extend the life of your new or refurbished Cisco 2921 Integrated Services Router for as long as possible with our IT Hardware Maintenance Program. Our OEM-certified technicians can keep your Cisco switches running smoothly at a fraction of the cost charged by the manufacturer.


Before it leaves our warehouse every new and refurbished Cisco 2921 router is thoroughly tested before receiving the certified designation. The engineers who conduct this evaluation are OEM-certified, having received extensive training in testing, configuring, and troubleshooting all of our electronics. We also feature a Lifetime Warranty for qualified end users.

In today’s marketplace, other than the return address on the box, there really is no difference in the hardware or maintenance that resellers provide to the customer. The true value lies in the people, the delivery, and the execution of the solution that surrounds said hardware. The MDSi difference centers on discovering the total cost of ownership of your entire current infrastructure and balancing that against future hardware initiatives to minimize your capital investment. We accomplish this by applying our full suite of Asset Management programs and services, which include Reverse LogisticsSpares ManagementRepairsMaintenance, and Installations.

Cisco Refresh logo - deep green


There are no reviews yet.

Be the first to review “Cisco 2921 Integrated Services Router”

Request A Quote

Five Signs Your Sparing Model is Costing You Time and Money