Description 

The Cisco CISCO2921/K9 is a modular Integrated Services Router (ISR) from the Cisco 2900 Series, designed to deliver secure data, voice, video, and application services for small to medium-sized branch offices.

 

 

Technical Specifications 

Condition	New/Never Used Surplus
Brand	Cisco
Category	Networking Equipment
Part Number	CISCO2921/K9
Subcategory	Integrated Services Routers
Enclosure Type	Rack-mountable - modular - 2U
Connectivity Technology	Wired
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet
Network / Transport Protocol	IPSec, L2TPv3
RAM	512 MB (installed) / 2 GB (max)
Flash Memory	256 MB (installed) / 8 GB (max)
Status Indicators	Link activity, power
Interfaces	3 x 10Base-T/100Base-TX/1000Base-T - RJ-45 ¦ Management : 1 x console - RJ-45 ¦ Management : 1 x console - mini-USB Type B ¦ Serial : 1 x auxiliary - RJ-45 ¦ USB : 2 x 4 pin USB Type A ¦ 1 x SFP (mini-GBIC)
Expansion Slot(s)	4 (total) / 4 (free) x HWIC ¦ 3 (total) / 3 (free) x PVDM ¦ 2 (total) / 1 (free) x CompactFlash Card ¦ 1 (total) / 1 (free) x expansion slot
Voltage Required	AC 120/230 V ( 50/60 Hz )
Min Operating Temperature	32 °F
Max Operating Temperature	104 °F
Humidity Range Operating	10 - 85%
Dimensions (W × D × H)	17.2 × 18.5 × 3.5 in (47 x 43.8 x 8.9 cm)
Weight	29.1 lbs

  

 

Information About CISCO2921/K9

The Cisco CISCO2921/K9 is a modular Integrated Services Router (ISR) from the Cisco 2900 Series, designed to deliver secure data, voice, video, and application services for small to medium-sized branch offices. It offers high performance, scalability, and a wide range of connectivity options to meet evolving network demands.

Key Features:

• Routing Performance: Supports concurrent services at up to 75 Mbps

• Integrated Interfaces: 3 × 10/100/1000 Mbps Gigabit Ethernet ports

• Expansion Slots:

  • 4 × Enhanced High-Speed WAN Interface Card (EHWIC) slots

  • 2 × Service Module (SM) slots

  • 1 × Internal Services Module (ISM) slot

  • 3 × Packet Voice Digital Signal Processor Module (PVDM3) slots

• Memory:

  • 512 MB DRAM (upgradeable to 2.5 GB)

  • 256 MB flash memory (upgradeable to 8 GB)

• Security Features: Embedded hardware encryption, Cisco IOS Firewall, Intrusion Prevention System (IPS), and VPN support

• Voice and Video Support: Optimized for voice and video applications with high-density DSP modules

• Power Options: Supports redundant power supplies and Power over Ethernet (PoE)

• Form Factor: 2U rack-mountable

This router is ideal for organizations seeking a reliable, scalable solution to integrate multiple services into a single platform, reducing complexity and operational costs.