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ISR4431/K9 Specification
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Aggregate Throughput
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500Mbps to 1Gbps
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Total onboard WAN or LAN 10/100/1000 ports
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4
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RJ-45-based ports
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4
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SFP-based ports
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4
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Enhanced service-module slots
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0
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Doublewide service-module slots
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0
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NIM slots
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3
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OIR (all I/O modules)
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Yes
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Onboard ISC slot
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1
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Default memory DDR3 ECC DRAM (data plane)
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2 GB
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Maximum memory DDR3 ECC DRAM (data plane)
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2 GB
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Default memory DDR3 ECC DRAM (control/services plane)
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4 GB
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Maximum memory DDR3 ECC DRAM (control/services plane)
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16 GB
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Default flash memory
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8 GB
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Maximum flash memory
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32 GB
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External USB 2.0 slots (type A)
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2
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USB console port -type B mini (up to 115.2 kbps)
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1
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Serial console port - RJ45 (up to 115.2 kbps)
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1
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Serial auxiliary port - RJ45 (up to 115.2 kbps)
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1
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Power-supply options
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Internal: AC, DC, and PoE
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Redundant power supply
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Internal: AC, DC, and PoE
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AC input voltage
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100 to 240 VAC autoranging
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AC input frequency
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47 to 63 Hz
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AC input current range, AC power supply (maximum)
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3 to 1.3A
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AC input surge current
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60 A peak and less than 5 Arms per half cycle
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Typical power (no modules) (watts)
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65
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Maximum power with AC power supply (watts)
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250 (no PoE)
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Maximum power with PoE power supply (platform only) (watts)
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500 with PoE redundant
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Maximum endpoint PoE power available from PoE power supply (watts)
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250 W with optional redundancy
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