Cisco 4431 ISR

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Hardware Installation Guide for Cisco 4000 Series
Integrated Services Routers
Last Updated February 01, 2018
Text Part Number: OL-32185-02

Cisco 4431 ISR Specifications

General

Total onboard WAN or LAN 10/100/1000 ports	4
RJ-45-based ports	4
SFP-based ports	2
NIM slots	2
Enhanced service-module slots	1
Rack height	1 RU
Redundant power supply	Optional
Memory	4 GB
Flash Memory	4 GB
USB Ports	2
Console Port	1 x RJ-45
Auxiliary Port	1 x RJ-45
Power Supply	AC 100-240V
Operating Temperature	0 to 40°C
Storage Temperature	-20 to 65°C
Humidity	5% to 85% noncondensing
Dimensions (H x W x D)	44.5 x 438.15 x 438.15 mm
Weight	7.5 kg (16.5 lb)

Summary

Preface

Objectives

Explains how to install, connect, and perform initial configurations for Cisco 4000 Series ISRs.

Important Safety Instructions

Overview of Cisco 4000 Series ISRs

About Cisco 4000 Series ISRs

Describes the Cisco 4000 Series ISRs, their modularity, and target applications.

Cisco 4451-X ISR

Cisco 4431 ISR

Cisco 4351 ISR

Details the capabilities and features of the Cisco 4351 ISR model.

Cisco 4331 ISR

Cisco 4321 ISR

Cisco 4221 ISR

Details the capabilities and features of the Cisco 4221 ISR model.

Safety Warnings

Cisco 4451 ISR Chassis

Cisco 4431 ISR Chassis

Cisco 4351 ISR Chassis

Cisco 4331 ISR Chassis

Cisco 4321 ISR Chassis

Cisco 4221 ISR Chassis

Hardware and Module Configuration

Hardware Features of Cisco 4000 Series ISRs

Removable and Interchangeable Modules and Cards

Memory

Power Supply

Discusses the variety of field-replaceable and externally accessible power supply configurations.

Slots, Subslots (Bay), Ports, and Interfaces in Cisco 4000 Series ISRs

Specifications

Cisco 4000 Series ISRs Preinstallation

Standard Warning Statements

Defines warning symbols and lists core safety warnings grouped by topic.

General Safety Warnings

Safety Recommendations

Safety with Electricity

Prevent Electrostatic Discharge Damage

General Site Requirements

Outlines site requirements for safe installation and operation of the router.

Install the Flash Memory Card

Guides on installing a flash memory card onto the memory card connector.

Site Selection Guidelines

Site Environmental Requirements

Details router environmental tolerances for temperature, humidity, and altitude.

Router Environmental Requirements

Power Guidelines and Requirements

Console Port Connections

Required Tools and Equipment for Installation and Maintenance

Install and Connect Cisco 4000 Series ISRs

Install the Router

Before You Begin

Unpack the Router

Install the Router

Details how to install modules, attach the chassis to a wall, or mount it in a rack.

Mount Cisco 4400 or 4300 ISR Chassis in Rack

Mount Cisco 4451-X ISR in Rack

Install Cisco 4200 Series ISR

Mount Cisco 4200 ISR Chassis in Rack

Mount Cisco 4200 ISR Chassis in Rack with AC Power Unit

Chassis Grounding

Connect Power

Connect to AC Power

Connect to Console Terminal or Modem

Connect to Serial Port with Microsoft Windows

Connect to Console Port with Linux

Install Cisco Microsoft Windows USB Device Driver

Install Cisco Microsoft Windows XP USB Driver

Install Cisco Microsoft Windows 2000 USB Driver

Install Cisco Microsoft Windows Vista USB Driver

Connect WAN, LAN, and Voice Interfaces

Ports and Cabling

Connection Procedures and Precautions

Configure Initial Router Settings on Cisco 4000 Series ISRs

Perform Initial Configuration on Cisco 4000 Series ISRs

Explains methods for initial router configuration using setup facility or CLI.

Use Cisco Setup Command Facility

Complete the Configuration

Use Cisco IOS XE CLI-Manual Configuration

Configure Cisco 4000 Series ISR Hostname

Configure the Enable and Enable Secret Passwords

Gigabit Ethernet Management Interface Overview

Configure Gigabit Ethernet Interfaces

Specify a Default Route or Gateway of Last Resort

Configure IP Routing and IP Protocols

Refers to comprehensive configuration information for IP routing and protocols.

Gateway of Last Resort

Configure Virtual Terminal Lines for Remote Console Access

Verify Network Connectivity

Save Your Device Configuration

Save Backup Copies of Configuration and System Image

Verify Initial Configuration on Cisco 4000 Series ISRs

ROM Monitor Overview and Basic Procedures

ROM Monitor Overview

Access ROM Monitor Mode

Commonly Used ROM Monitor Commands

Upgrading the ROMmon for a Router

Install and Upgrade Internal Modules and FRUs

Internal and External Modules

FRUs

Remove and Replace the Chassis Cover

Locate Internal and External Slots for Modules on Cisco 4451 ISR

Locate Internal and External Slots for Modules on Cisco 4351 ISR

Locate Internal and External Slots for Modules on Cisco 4331 ISR

Overview of the SSD Carrier Card NIM (NIM-SSD)

Install SSD Drives into the NIM Carrier Card

Remove SSD Drives from the NIM-SSD

Overview of the NIM-HDD Card

Remove and Replace Cisco NIM-SSD or NIM-HDD

Install and Remove DDR DIMMs on Cisco 4400 or 4300 Series ISRs

Install DIMM

Install and Remove NIMs and SM-Xs on Cisco 4000 Series ISRs

Remove SM-X or NIM

Install SM-X

Install and Remove PVDM4 on Cisco 4400 or 4300 Series ISRs

Install PVDM4 on the Motherboard of Cisco 4400 Series ISRs

Remove the PVDM4 from the Motherboard of Cisco 4400 ISRs

Install the PVDM4 on the Motherboard of Cisco 4331 ISR

Remove the PVDM4 from the Motherboard of Cisco 4331 ISR

Install the PVDM4 on Cisco Fourth-Generation T1 E1 Voice and WAN NIM

Remove and Replace the USB Flash Token Memory Stick

Remove and Replace Cisco 4000 Series ISRs Power Supplies

AC Power Supplies

Replace AC Power Supply

Overview of DC Power Supply

Remove DC Input Power from Cisco 4431 ISR

Install DC Input Power on Cisco 4431 ISR

Replace the Power Supply Module from the Cisco 4331 Router

Remove DC Input Power from Cisco 4331 ISR

Install DC Input Power on Cisco 4331 ISR

PoE Converter Power Supply Unit

Install the PoE Converter Power Supply

Details the procedure for installing a PoE converter power supply module.

Remove PoE Converter Power Supply

Explains how to remove a PoE converter power supply module from the router.

Replace a Fan Tray

Replace Fan Tray on Cisco 4331 ISR

Provides specific steps for replacing the fan tray in a Cisco 4331 ISR.

Remove and Install a CompactFlash Memory Card

Prevent Electrostatic Discharge Damage

Provides guidelines to prevent ESD damage when handling CF memory cards.

Remove the CompactFlash Memory Card

Install the CompactFlash Memory Card

Provides steps for installing a CompactFlash memory card into the router.

Remove the Flash Memory Card

Install and Remove an SSD mSATA Storage Device

Covers installing and replacing SSD mSATA storage devices in Cisco 4300 ISR routers.

Install the SSD mSATA Storage Device

Remove the SSD mSATA Storage Device

Install and Remove SFP Modules

Install SFPs

Remove SFP Modules

Remove, Replace, and Install the Internal PoE Daughter Card

Online Insertion and Removal and Hot-Swapping

OIR Procedures

Describes procedures for removing and replacing modules using OIR commands.