The ISR4431-SEC/K9 is a Cisco Integrated Services Router (ISR) model. This router is designed to provide robust and secure networking capabilities for various enterprise and business applications. The "SEC" in its name indicates that it comes equipped with enhanced security features, making it well-suited for applications where data security is a critical concern. Cisco ISR routers like the ISR4431-SEC/K9 are known for their reliability, performance, and versatility, making them valuable assets for building and managing modern network infrastructures.

Cisco ISR4431-SEC/K9 Specification
TypeCisco ISR4431/K9 with Security Bundle
Aggregate Throughput500Mbps to 1Gbps
Total onboard WAN or LAN 10/100/1000 ports4
RJ-45-based ports4
SFP-based ports4
Enhanced service-module slots0
Doublewide service-module slots0
NIM slots3
OIR (all I/O modules)Yes
Onboard ISC slot1
Default memory double-data-rate 3 (DDR3) error-correction-code
(Combined control/services/data planes)
Maximum memory DDR3 ECC DRAM (Combined control/
services/data planes)
Default memory DDR3 ECC DRAM (data plane)2 GB
Maximum memory DDR3 ECC DRAM (data plane)2 GB
Default memory DDR3 ECC DRAM (control/services plane)4 GB
Maximum memory DDR3 ECC DRAM (control/services plane)16 GB
Default flash memory8 GB
Maximum flash memory32 GB
External USB 2.0 slots (type A)2
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 optionsInternal: AC, DC, and PoE
Redundant power supplyInternal: AC, DC, and PoE
AC input voltage100 to 240 VAC autoranging
AC input frequency47 to 63 Hz
AC input current range, AC power supply (maximum)3 to 1.3A
AC input surge current60 A peak and less than 5 Arms per half cycle
Typical power (no modules) (watts)65
Maximum power with AC power supply (watts)250 (no PoE)
Maximum power with PoE power supply (platform only) (watts)500 with PoE redundant
Maximum endpoint PoE power available from PoE power supply
250 W with optional redundancy

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