ISR4321/K9 Overview Cisco 4321 Integrated Services router is design to deliver advanced services to the small enterprise branch environment. It delivers 50Mbps thoughtput by default. With pay-as-you-grow performance, you can increase forwarding capacity to 100Mbps by buying FL-4320-PERF-K9 licenses. Cisco ISR4321/K9 Specification Aggregate Throughput 50 Mbps to 100 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) Yes Onboard ISC slot 1 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) 8 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 4 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) 1 Serial console port - RJ45 (up to 115.2 kbps) 1 Serial auxiliary port - RJ45 (up to 115.2 kbps) 1 Power-supply options External: AC and PoE 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) 36 Maximum power with AC power supply (watts) 125 Maximum power with PoE power supply (platform only) (watts) 260 Maximum endpoint PoE power available from PoE power supply (watts) 120
