We now accept purchase orders on terms. Contact our sales team for approval learn more

(800)504-7199 United States

Your cart is empty

Cisco C2851-35UC/K9
Actual item may differ from photo shown. UsedCisco.com does not sell or include licensed software of any kind. All products are tested and reset to factory defaults.

Guaranteed Pre-Owned

Limited Availability

Get the latest availability info:

Extend Your Warranty

Our Price: Call us at (800)-504-7199
Average Rating :
This product has not yet been reviewed.

This item may qualify for Free Super Saver Shipping!





Questions? Post your question instantly!

I need to buy this product!


Should we email you when a response is posted?

The Cisco 2851 Integrated Services Router features the ability to deliver multiple high-quality simultaneous services at wire speed up to multiple T1/E1/xDSL connections. The 2851 Integrated Services Router offer embedded encryption acceleration and on the motherboard voice digital-signal-processor (DSP) slots, intrusion prevention system (IPS) and firewall functions, optional integrated call processing and voice mail support, high-density interfaces for a wide range of wired and wireless connectivity requirements and sufficient performance and slot density for future network expansion requirements and advanced applications.

Cisco C2851-35UC/K9 General Information

Manufacturer: Cisco Systems, Inc
Brand Name: Cisco
Product Series: 2800
Product Model: 2851
Product Name: 2851 Integrated Services Router
Product Type: Integrated Services Router

Cisco C2851-35UC/K9 Interfaces/Ports

Number of Ports: 2
Gigabit Ethernet Port: Yes
Interfaces/Ports: 2 x RJ-45 10/100/1000Base-T LAN
Interfaces/Ports: 1 x RJ-45 RS-232 Auxiliary Management
Interfaces/Ports: 2 x USB 1.1 USB
Interfaces/Ports: 1 x RJ-45 RS-232 Console Management

Cisco C2851-35UC/K9 Media & Performance

Connectivity Media: Category 5 or higher UTP 10/100/1000Base-T

Cisco C2851-35UC/K9 I/O Expansions

Number of Expansion Slots: 12
Expansion Slots: (4 Total) Interface Card
Expansion Slots: (1 Total /1 Populated) Network Module
Expansion Slots: (2 Total) AIM
Expansion Slots: (1 Total) EVM
Expansion Slots: (1 Total) CompactFlash (CF) Card
Expansion Slots: (3 Total /2 Free /1 Populated) PVDM
Modules: 1 x PVDM2-48 Packet Voice/Fax DSP Module
Modules: 1 x NME-CUE Network Module

Cisco C2851-35UC/K9 Management & Protocols


  • Web-based device-management
  • SNMP v3
  • VLAN
  • CLI
  • QoS
  • CiscoWorks
  • Security Device Manager (SDM)

  • Cisco C2851-35UC/K9 Memory

    Standard Memory: 256MB
    Maximum Memory: 1GB
    Memory Technology: DRAM
    Flash Memory: 64 MB

    Cisco C2851-35UC/K9 Software

    Operating System:

    Cisco IOS 12.3(8)T

    Cisco C2851-35UC/K9 Power Description

    Input Voltage: 110V AC
    Input Voltage: 220V AC
    Input Voltage Range: 100V AC to 240V AC
    Power Source: Power Supply
    Redundant Power Supply: Yes

    Cisco C2851-35UC/K9 Physical Characteristics

    Compatible Rack Unit: 2U
    Form Factor: Rack-mountable
    Form Factor: Desktop
    Dimensions: 3.5 Height x 17.25 Width x 16.4 Depth
    Weight: 25 lb

    Cisco C2851-35UC/K9 Miscellaneous

    Additional Information:

  • 4 Interface Card slots can support HWIC, WIC, VIC, or VWIC type modules
  • 1 Network-Module slot supports NM, NME, NME-X, NMD and NME-XD type modules