Cisco 4221 Integrated Services router is design to deliver advanced services to the small enterprise branch environment. It delivers 35Mbps thoughtput by default. With pay-as-you-grow performance, you can increase forwarding capacity to 75Mbps by buying licenses. Quick Specs Product Code Cisco ISR4221/K9 Aggregate Throughput 35 Mbps to 75 Mbps Total onboard WAN or LAN 10/100/1000 ports 2 RJ-45-based ports 2 SFP-based ports 1 NIM (Network Interface Modules) slots 2 Onboard ISC slot No Default memory double-data-rate 3 (DDR3) error-correction-code (ECC) DRAM (Combined control/services/data planes) 4 GB Flash Memory 8 GB Power-supply options External AC only Rack height 1 RU Dimensions (H x W x D) 1.72 x 12.7 x 10 in (43.7 x 322.6 x 254 mm) Weight with AC PS (no modules) 7.1 lb (3.22 kg) Cisco ISR4221/K9 Specification Aggregate Throughput 35 Mbps to 75 Mbps Total onboard WAN or LAN 10/100/1000 ports 2 RJ-45-based ports 2 SFP-based ports 1 Enhanced service-module slots 0 Doublewide service-module slots 0 NIM slots 2 OIR (all I/O modules) No Onboard ISC slot No 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) NA Maximum memory DDR3 ECC DRAM (data plane) NA Default memory DDR3 ECC DRAM (control/services plane) NA Maximum memory DDR3 ECC DRAM (control/services plane) NA Default flash memory 8 GB Maximum flash memory 8 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 options External: AC Only Redundant power supply N/A AC input voltage 100 to 240 VAC autoranging AC input frequency 47 to 63 Hz AC input current range, AC power supply (maximum) 1.5 to 0.6A AC input surge current 90 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)
