Sell Your used Hardware
Request a Quote


Cisco 2821 Routers

Online Store Pricing World Data Products has new and used CISCO2821 routers in stock with next day delivery options. Our Cisco certified experts custom design and configure Cisco hardware to meet your specifications resulting in maximized performance. Refurbished Cisco products are staged, tested, cleaned and configured at our state-of-the art facility for reliability you can trust. Our Total Quality Refurbishment Process is your guarantee of the highest quality pre-owned Cisco available in the market today.

Manufacturer Part Number: CISCO2821
Number of Ports: 2
Gigabit Ethernet Port: Yes
Interfaces/Ports: 2 x USB
1 x Console Management
1 x Auxiliary Management
2 x RJ-45 10/100/1000Base-T LAN
Number of Expansion Slots: 11
Expansion Slots: (2 Total) AIM
(3 Total) PVDM
(4 Total) Expansion Slot
(1 Total) EVM
(1 Total) NME
Management: Cisco Router and Security Device Manager (SDM)
Simple Network Management Protocol (SNMP)
Protocols: SNMP
Standard Memory: 256MB
Maximum Memory: 1GB
Memory Technology: DRAM
Flash Memory: 64 MB
Operating System: Cisco 2800 IOS IP BASE
Input Voltage: 220V AC
110V AC
Input Voltage Range: 100V AC to 240V AC
Input Current: 2A @ 230V AC
3A @ 110V AC
Frequency: 50 Hz or 60 Hz
Temperature: -4 °F (-20 °C) to 149 °F (65 °C) Non-operating
32 °F (0 °C) to 104 °F (40 °C) Operating
Humidity: 5% to 95% Non-condensing Operating
Compatible Rack Unit: 2U
Form Factor: Rack-mountable
Dimensions: 3.5" Height x 17.25" Width x 16.4" Depth
Package Contents: 2821 Router
Cisco 2800 IOS IP BASE
Device manager for routers (ROUTER-SDM)
256MB DDR DRAM Memory factory default for the Cisco 2800 (MEM2800-256D-INC)
64MB CF default for Cisco 2800 Series (MEM2800-64CF-INC)
Blank WAN Interface Card Panel (WIC-BLANK-PANEL)
Cisco 2800 and 3800 Series Blank network module panel (NM-28/38BLNK-PANEL)
Cisco 2821/51 AC power supply (PWR-2821-51-AC)
Power Cord, 110V (CAB-AC)
RJ-45-to-DB-9 console cable and RJ-45-to-DB-25 modem cable for management access
One pair of rack-mount brackets with screws for 19-inch racks
Cisco Product Registration Card
Cisco 2800 Series Regulatory Compliance and Safety Information document
Cisco Router and Security Device Manager (SDM) Quick Start Guide document
Cisco 2800 Series Integrated Services Routers Quick Start Guide
Additional Information: With the Cisco IOS Software Advanced Security feature set, the Cisco 2821 provides a robust array of common security features such as a Cisco IOS Software Firewall, intrusion prevention, IPsec VPN, Secure Shell (SSH) Protocol Version 2.0, and Simple Network Management Protocol (SNMPv3) in one secure solution set
Cisco CME is an optional solution embedded in Cisco IOS Software that provides call processing for Cisco IP phones
AC input surge current: 50A maximum, one cycle (-48V power included)

Interface Card Slots:

Each slot can support HWIC, WIC, VIC, or VWIC type modules


External only, connector for RPS provided by default

Operation Altitude (derate 1.5°C per 1000 ft):

27.5°C @ 15 kft
35°C @ 3km/10 kft
40°C @ sea level
System Requirements: Minimum Cisco IOS Software release: 12.3(8)T
Certifications & Standards: IEEE 802.3: 10BASE-T
IEEE 802.3u: 100BASE-TX
IEEE 802.3ab: 1000BASE-T
USB 1.1


UL 60950
CAN/CSA C22.2 No. 60950
IEC 60950
EN 60950-1
AS/NZS 60950




FCC Part 15
ICES-003 Class A
EN55022 Class A
CISPR22 Class A
AS/NZS 3548 Class A
VCCI Class A
EN 300386


Interfaces comply with FCC Part 68, CS-03, JATE Technical Conditions, European Directive 99/5/EC and relevant TBR's