Cisco Router 4000 Series ISR4431/K9
Cisco Router 4000 Series ISR4431/K9
Cisco Router 4000 Series ISR4431/K9
  • Cisco Router 4000 Series ISR4431/K9
  • Cisco Router 4000 Series ISR4431/K9
  • Cisco Router 4000 Series ISR4431/K9

ISR4431/K9

500Mbps-1Gbps system throughput, 4 WAN/LAN ports, 4 SFP ports, multi-Core CPU, Dual-power, Security, Voice, WAAS, Intelligrnt WAN, OnePK, AVC, separate control data and services CPUs.

Description

ISR4431/K9 Overview


Cisco 4431 Integrated Services Router, which supports 3 Network Interface 

Modules (NIM) slots, delivers 500 Mbps to 1 Gbps aggregate throughput. 

This router also supports two kinds of DDRM, data plane and 

control/services plane, which make administrator easy to 

manage the router.


ISR4431/K9   Specification

Aggregate Throughput

500Mbps to 1Gbps

Total onboard WAN or

 LAN 10/100/1000 ports

4

RJ-45-based ports

4

SFP-based ports

4

Enhanced 

service-module 

slots

0

Doublewide 

service-module 

slots

0

NIM slots

3

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)

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 memory

8 GB

Maximum flash memory

32 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 options

Internal: AC, DC, and PoE

Redundant power supply

Internal: AC, DC, and PoE

AC input voltage

100 to 240 VAC autoranging

AC input frequency

47 to 63 Hz

AC input current range, 

AC power supply 

(maximum)

3 to 1.3A

AC input surge current

 60  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 

(watts)

250 W with optional redundancy

 

The Modules, Cards, Licenses & Accessories

Table 3 shows some recommended modules, cards, licenses and several cables.

 

Items

Models

Descriptions

Console

and 

Auxillary 

Cables

CAB-AUX-RJ45

Cisco   CAB-AUX-RJ45 Auxiliary Cable 8ft 

with RJ45 and DB25M

CAB-ETH-S-RJ45

Cisco   Router Cable CAB-ETH-S-RJ45

CAB-CONSOLE-RJ45

Cisco   CAB-CONSOLE-RJ45 Console 

Cable 6ft with RJ45 and DB9F

CAB-CONSOLE-USB

Cisco   CAB-CONSOLE-USB Console 

Cable 6 ft with USB Type A and mini-B

Licenses

L-SL-44-APP-K9=

Cisco ISR   4431/4451 AppX license 

L-SL-44-APP-K9= with WAAS/vWAAS 

1300/2500 conns RTU

Network 

Interface 

Modules

NIM-1MFT-T1/E1

Cisco   Fourth-Generation Multiflex 

Trunk Voice and WAN network 

interface module

NIM-2CE1T1-PRI

Cisco   Multiflex Trunk Voice and WAN 

network interface module

NIM-4E/M

Analog   voice network interface card 

(ear and mouth)

NIM-2FXS

Cisco   Analog voice network interface 

card NIM-2FXS

NIM-2FXS/4FXO

Cisco   Analog voice network interface 

card NIM-2FXS/4FXO

NIM-8MFT-T1/E1

Cisco   Fourth-Generation Multiflex Trunk 

Voice and WAN network interface module

SFPs for 

On-Board

GE Ports

GLC-SX-MMD

Cisco   GLC-SX-MMD 1000BASE-SX SFP 

transceiver module, MMF, 850nm, DOM

GLC-LH-SMD

Cisco   GLC-LH-SMD 1000BASE-LX/LH SFP 

transceiver module, MMF/SMF, 1310nm, DOM

GLC-ZX-SMD

Cisco   GLC-ZX-SMD 1000BASE-ZX SFP 

transceiver module, SMF, 1550nm, DOM


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