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Integrated Services Router - ISR4331/K9
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Cisco Linksys Integrated Services Router - ISR4331/K9

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Condition: Brand new, USA Warranty
Cisco ISR 4331 (2GE,2NIM,1SM,4G FLASH,4G DRAM,IPB)
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The Cisco 4000 Family Integrated Services Router (ISR) revolutionizes WAN communications in the enterprise branch. With new levels of built-in intelligent network capabilities and convergence; it specifically addresses the growing need for application-aware networking in distributed enterprise sites. These locations tend to have lean IT resources. But they often also have a growing need for direct communication with both private data centers and public clouds across diverse links; including Multiprotocol Label Switching (MPLS) VPNs and the Internet.

Product Features:

  • Concurrent software services at speeds up to 2 Gbps
  • A distributed multicore architecture with the industry's first internal services plane
  • Remote installation of application-aware services; which run identically to their counterparts in dedicated appliances
  • Embedded IWAN solution for creating lower-cost; business-class Internet connections
  • Router capacity can be increased with a remote performance-on-demand license upgrade (no hardware upgrade) for exceptional savings
  • Dynamic Multipoint VPN (DMVPN); zone-based firewalls and Cisco Cloud Web security protect data; authentication credentials; and transmissions not backhauled through the data center
  • Secure boot feature performs hardware-based authentication of the boot loader software to prevent malicious or unintended software from booting on the system
  • Code signing verifies digital signatures of executables prior to loading to prevent execution of altered or corrupted code
  • Hardware authentication protects against hardware counterfeiting by using an on-board tamper-proof silicon; including field replaceable modules
  • Single converged branch platform integrates routing; switching; virtual server; storage; security; unified communications; WAN optimization and performance management tools
  • Modular network interfaces with diverse connection options for load-balancing and network resiliency
  • Modular interfaces with online removal and insertion (OIR) for module upgrades without network disruption
  • Cisco Unified Survivable Remote Site Telephony (SRST); which serves as a resiliency complement to Cisco Hosted Collaboration Solution (HCS); a Cisco cloud-based UC service
  • High-performance analog/digital gateway; allowing VoIP over less expensive Session Initiation Protocol (SIP) trunks
  • Single; universal software image for all features and performance-on-demand licensing flexibility
  • No additional services and support needed for compute and storage
  • Supported by Cisco and third-party management tools; with programmability and automation


  • Aggregate Throughput: 100 Mbps to 300 Mbps
  • Total Onboard WAN 10/100/1000 Ports: 3
  • RJ-45-Based Ports: 2
  • SFP-Based Ports: 2
  • Enhanced service-module slots
  • NIM slots: 2
  • OIR (all I/O modules): Yes
  • Onboard ISC slot: 1
  • Default Memory Double-Data-Rate 3 (DDR3) error-correction-code (ECC) DRAM (Combined control/services/data planes): 4 GB
  • Maximum Memory DDR3 ECC DRAM (Combined control/services/data planes): 16 GB
  • Default Flash Memory: 4 GB
  • Maximum Flash Memory: 16 GB
  • External USB 2.0 Slots (Type A): 1
  • USB Console Port Type B mini (up to 115.2 kbps): 1
  • Serial Console Port (up to 115.2 kbps): 1
  • Serial Auxiliary Port (up to 115.2 kbps): 1
  • Power-Supply Options: Internal: AC and PoE

Power Specifications

  • 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 to 1.3A
  • AC Input Surge Current: 60 A Peak and Less Than 5 Arms per Half Cycle
  • Typical Power (no modules) (Watts): 42
  • Maximum Power with PoE Power Supply (platform only) (Watts): 250
  • Maximum Endpoint PoE Power available from PoE Power Supply (Watts): 530
  • Maximum power with PoE Power Supply (platform only) (Watts): 250
  • Dimensions (H x W x D): 1.75 x 17.25 x 17.25 in (44.45 x 438.15 x 438.15 mm)
  • Shipping Box Dimensions (H x W x D): 7.125 x 22.75 x 22.5 in (180.98 x 577.85 x 571.5 mm)
  • Rack Height: 1 rack unit (1RU)
  • Rack-Mount 19 in. (48.3 cm) EIA: Included
  • Rack-mount 23in. (58.4 cm) EIA: Optional
  • Wall-Mount: Yes
  • Weight with AC PS (No Modules): 13.5 lb (6.2 kg)
  • Weight with AC PS with POE (no modules): 14.1 lb (6.4 kg)
  • Typical Weight (fully loaded with modules): 16.1 lb (7.3 kg)
  • Packaging Weight: 4.6 lb (2.1 kg)
  • Airflow: I/O side to bezel side

Operating Conditions

  • Temperature: 32 to 104?F (0 to 40?C)
  • Altitude (China): 0 - 6;560 ft. (0 - 2;000 m)
  • Altitude (Rest of the world): 0 - 10;000 ft. (0 - 3;050 m)
  • Relative Humidity: 5% to 85%
  • Short-term Humidity: 5% to 90%; not to exceed 0.024 kg water/kg of dry air
  • Acoustic: Sound Pressure (Typical/Maximum): 52.8/74.8 dBA
  • Acoustic: Sound Power (Typical/Maximum): 61.2/81.6 dBA

Non-Operating Conditions

  • Temperature: -40 to 158?F (-40 to 70?C)
  • Relative Humidity: 5% to 95%
  • Altitude: 15;584 ft (4570m)

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