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ISR4451-X/K9

Cisco 4451 Integrated Services Router, named as ISR4451-X, which supports 2 Enhanced service-module (SM-X) slots, delivers 1 Gbps to 2Gbps aggregate throughput. This router also supports two kinds of DDRM, data plane and control/services plane, which make administrator easy to manage the router.

Cisco ISR4451-X/K9 Specification
Aggregate Throughput1 Gbps to 2Gbps
Total onboard WAN or
LAN 10/100/1000 ports		4
RJ-45-based ports4
SFP-based ports4
Enhanced service-module
slots		2
Doublewide service-
module slots		1 (assumes no singlewide
SM-X modules installed)
NIM slots3
OIR (all I/O modules)Yes
Onboard ISC slot1
Default memory
double-data-rate 3 (DDR3)
error-correction-code
(ECC) DRAM
(Combined control/services
/data planes)		NA
Maximum memory
DDR3 ECC DRAM
(Combined control/services
/data planes)		NA
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)		7.1 to 3.0A
AC input surge current<50 A
Typical power (no modules)
(watts)		158
Maximum power with AC
power supply (watts)		450 (no PoE)
Maximum power with PoE
power supply (platform only)
(watts)		1000 with PoE redundant
1450 with PoE boost no redundancy
Maximum endpoint PoE
power available from PoE
power supply (watts)		500 W with optional redundancy
Maximum endpoint PoE
power capacity with PoE
boost (watts)		950 W no redundancy


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