Cisco ISR4221 K9

in stock

Model: Cisco ISR 4221 (2GE,2NIM,8G FLASH,4G DRAM,IPB)
Detail: 35Mbps-75Mbps system throughput, 2 WAN/LAN ports, 1 SFP port, multi-Core CPU,2 NIM

Overview: The CISCO 4221/K9 Integrated Services Router delivers next-level services to small branch offices. It provides 35 Mbps throughput by default and forwarding capacity of up to 75 Mbps with pay-as-you-grow performance. Get a scalable foundation, simplify day-to-day network management, and meet
the demands of cloud-based application adoption.
Key features of CISCO 4221 routers include:

  • 2 WAN/LAN ports
  • 2 RJ-45-based ports
  • 1 SFP-based port
  • 2 Network Interface Module (NIM) slots
  • 4 GB default memory DDR3 ECC DRAM
  • 4 GB maximum memory DDR3 ECC DRAM
  • 8 GB default flash memory
  • 8 GB maximum flash memory
  • External USB 2.0 slot

Secure SD-WAN support, industry-leading cyberthreat protection, and more with the CISCO 4221/K9

SKU: c4221-01 Category:

General and Specification

Aggregate Throughput35 Mbps to 75 Mbps
Total onboard WAN or LAN 10/100/1000 ports2
RJ-45-based ports2
SFP-based ports1
Enhanced service-module slots0
Doublewide service-module slots0
NIM slots2
OIR (all I/O modules)No
Onboard ISC slotNo
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)4 GB
Default memory DDR3 ECC DRAM (data plane)N/A
Maximum memory DDR3 ECC DRAM (data plane)N/A
Default memory DDR3 ECC DRAM (control/services plane)N/A
Maximum memory DDR3 ECC DRAM (control/services plane)N/A
Default flash memory8 GB
Maximum flash memory8 GB
External USB 2.0 slots (type A)1
USB console port -type B mini (up to 115.2 kbps)0
Serial console port – RJ45 (up to 115.2 kbps)1 (combo CON/AUX port)
Serial auxiliary port – RJ45 (up to 115.2 kbps)1 (combo CON/AUX port)
Power-supply optionsExternal: AC Only
Redundant power supplyN/A
AC input voltage100 to 240 VAC autoranging
AC input frequency47 to 63 Hz
AC input current range, AC power supply (maximum)1.5 to 0.6A
AC input surge current90 A peak and less than 3 Arms per half cycle
Typical power (no modules) (watts)24
Maximum power with AC power supply (watts)90
Maximum power with PoE power supply (platform only) (watts)NA (no PoE support)
Maximum endpoint PoE power available from PoE power supply (watts)NA (no PoE support)

Front Panel

routers 4221 isr front panel There are 4 LEDs on the front panel.

Back Panel

routers 4221 isr back panel
  1. GE 0/0/0 RJ-45 (copper cable) port
  2. Power switch
  3. Power input connector
  4. GE MGMT port (with USB port below)
  5. Console port
  6. GE 0/0/1 (copper cable) port
  7. GE 0/0/0 SFP (fiber-optic) port
  8. NIM slots

The Modules & Cards




Console and Auxillary Cables


Cisco CAB-CONSOLE-RJ45 Console Cable 6ft with RJ45 and DB9F

Network Interface Modules


Cisco Fourth-Generation Multiflex Trunk Voice and WAN network interface module


Cisco 4000 Series Integrated Services Router 4-Port Gigabit Ethernet Switch Module layer 2


Cisco 4000 Series Integrated Services Router 8-Port Gigabit Ethernet Switch Module NIM

SFPs for On-Board GE Ports


Cisco GLC-LH-SMD 1000BASE-LX/LH SFP transceiver module, MMF/SMF, 1310nm, DOM


Cisco GLC-ZX-SMD 1000BASE-ZX SFP transceiver module, SMF, 1550nm, DOM


Cisco GLC-SX-MMD 1000BASE-SX SFP transceiver module, MMF, 850nm, DOM


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