Cisco Router 4000 Series ISR4321/K9
Cisco Router 4000 Series ISR4321/K9
Cisco Router 4000 Series ISR4321/K9
Cisco Router 4000 Series ISR4321/K9
Cisco Router 4000 Series ISR4321/K9
  • Cisco Router 4000 Series ISR4321/K9
  • Cisco Router 4000 Series ISR4321/K9
  • Cisco Router 4000 Series ISR4321/K9
  • Cisco Router 4000 Series ISR4321/K9
  • Cisco Router 4000 Series ISR4321/K9

ISR4321/K9

50Mbps-100Mbps system throughput, 2 WAN/LAN ports, 1 SFP port, multi-Core CPU,2 NIM, Security, Voice, WAAS, Intelligent WAN, OnePK, AVC

Description

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.


ISR4321/K9 Specification

Product Number

ISR4321/K9

Product Description

50Mbps-100Mbps system throughput, 

2 WAN/LAN ports, 1 SFP port, multi-Core 

CPU,2 NIM, Security, Voice, WAAS, 

Intelligent WAN, OnePK, AVC

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


The Modules, Cards, Licenses & Accessories

Table 2 shows some recommended modules, cards, licenses and several cables.


Items

Models

Description

License

L-SL-4320-APP-K9=

Cisco AppX license   L-SL-4320-APP-K9= with 200 

conns/ISRWAAS or 750 conns/vWAAS

Smart 

Serial 

Cables

CAB-SS-449FC

Cisco CAB-SS-449FC   RS-449 Cable, 

DCE Female to Smart Serial, 10 Feet

Console 

and 

Auxillary 

Cables

CAB-CONSOLE-RJ45

Cisco CAB-CONSOLE-RJ45 onsole Cable 6ft with 

RJ45 and DB9F

CAB-CONSOLE-USB

Cisco CAB-CONSOLE-USB   Console Cable 6 ft with 

USB Type A and mini-B

Network

Interface 

Modules

NIM-2CE1T1-PRI

Cisco Multiflex Trunk   Voice and WAN network 

interface module

NIM-1MFT-T1/E1

Cisco   Fourth-Generation 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

SFPs for

On-Board 

GE Ports

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

GLC-SX-MMD

Cisco GLC-SX-MMD   1000BASE-SX SFP 

transceiver module, MMF, 850nm, DOM


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