Cisco 900 Series Manual

Hardware Installation Guide for the Cisco 900 Series Integrated

Services Router

Last Modified: 2019-01-11

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Fax: 408 527-0883

CONTENTS

Overview of Cisco 900 Series Integrated Services Routers 1

CHAPTER 1

About Cisco 900 Series Integrated Service Routers 1

Chassis Views 2

LED Indicators 5

Power Supply 6

Specifications of Cisco 900 Series Integrated Services Routers 7

Periodic Inspection and Cleaning 7

Prepare for Router Installation 9

CHAPTER 2

Safety Recommendations 9

Safety With Electricity 9

Prevent Electrostatic Discharge Damage 10

General Site Requirements 10

Site Selection Guidelines 11

Rack Requirements 11

Router Environmental Requirements 12

Power Guidelines and Requirements 12

Network Cabling Specifications 13

Console Port Connections 13

EIA/TIA-232 13

Console Port Considerations 14

Preparing for Network Connections 14

Ethernet Connections 14

Required Tools and Equipment for Installation 14

Install and Connect the Router 17

CHAPTER 3

Hardware Installation Guide for the Cisco 900 Series Integrated Services Router

iii

Unpack the Router 17

Set up Router on Desktop, Rack, Shelf, or Wall 17

Rack Mount 18

Attach the Brackets to the Router 18

Mount the Router 19

Wall Mount 21

Mount the Router on Desk or Shelf 24

Mount the Router under a Desk or a Shelf 25

Chassis Grounding 27

Connect Power Cable 28

Connect the Router to a Console 29

Connect to the Serial Port with Microsoft Windows 30

Connect to the Console Port with Mac OS X 30

Connect to the Console Port with Linux 31

Connect WAN and LAN Interfaces 31

Ports and Cabling 32

Connection Procedures and Precautions 32

Configure the Router at Startup 32

ROM Monitor Overview and Basic Procedures 33

CHAPTER 4

ROM Monitor Overview 33

Hardware Installation Guide for the Cisco 900 Series Integrated Services Router

Contents

CHAPTER 1

Overview of Cisco 900 Series Integrated Services

Routers

Cisco 900 Series Integrated Services Routers (ISRs) with Cisco IOS Software are high-performance devices

that are easy to deploy and manage. The routers combine Internet access, comprehensive security, and wireless

services (LTE Advanced 3.0, Wireless WAN and Wireless LAN).

•About Cisco 900 Series Integrated Service Routers, on page 1

•Periodic Inspection and Cleaning, on page 7

About Cisco 900 Series Integrated Service Routers

The Cisco 900 series Integrated Services Routers are the SOHO routers that offer unmatched throughput

levels. They are available in fixed form factors. The Cisco 900 series is best suited for small and midsize

businesses, enterprise branches and as customer premises equipment in managed services environments.

Table 1: Base models of the Cisco 900 series ISR

DSLConsole PortsWAN PortsSwitch PortsModel

None124C921-4P

None124C921J-4P

1114C926-4P

1114C927-4P

1114C927-4PM

None124C931-4P

For more information on the features and specifications of Cisco 900 Series Integrated Services Routers

(ISRs), refer to the Cisco 900 Series Integrated Services Routers datasheet.

Hardware Installation Guide for the Cisco 900 Series Integrated Services Router

Chassis Views

This section contains front and back panel views of the Cisco 900 Series ISR-showing locations of the power

and signal interfaces, interface slots, status indicators, and chassis identification labels.

Figure 1: Cisco C921-4P- I/O View

Power button2#6-32 Ground screw1

Console Port4Reset button3

GE LAN port6USB2.0 port5

GE LAN port8GE LAN port7

GE WAN port10GE LAN port9

VPN LED12GE WAN port11

Figure 2: Cisco C921J-4P - I/O View

Power button2#6-32 Ground screw1

Reset button412VDC input3

VPN LED6System LED5

GE LAN port8USB2.0 port7

GE LAN port10GE LAN port9

Hardware Installation Guide for the Cisco 900 Series Integrated Services Router

Overview of Cisco 900 Series Integrated Services Routers

Chassis Views

GE WAN port12GE LAN port11

Console port14GE WAN port13

Kensington Lock15

Figure 3: Cisco C926-4P- I/O View

Power button2#6-32 Ground screw1

Reset button412VDC input3

USB2.0 port6System LED5

DSL port8xDSL CD LED7

Console port10xDSL DATA LED9

GE LAN port12GE WAN port11

GE LAN port14GE LAN port13

VPN LED16GE LAN port15

Figure 4: Cisco C927-4P - I/O View

Power button2#6-32 Ground screw1

Reset button412VDC input3

USB2.0 port6System LED5

DSL port8xDSL CD LED7

Console port10xDSL DATA LED9

Hardware Installation Guide for the Cisco 900 Series Integrated Services Router

Overview of Cisco 900 Series Integrated Services Routers

Chassis Views

GE LAN port12GE WAN port11

GE LAN port14GE LAN port13

VPN LED16GE LAN port15

Figure 5: Cisco C927-4PM - I/O View

Power button2#6-32 Ground screw1

Reset button412VDC input3

USB2.0 port6System LED5

DSL port8xDSL CD LED7

Console port10xDSL DATA LED9

GE LAN port12GE WAN port11

GE LAN port14GE LAN port13

VPN LED16GE LAN port15

Figure 6: Cisco C931-4P - I/O View

Power button2#6-32 Ground screw1

Console port4Reset button3

GE LAN port6USB2.0 port5

Hardware Installation Guide for the Cisco 900 Series Integrated Services Router

Overview of Cisco 900 Series Integrated Services Routers

Chassis Views

GE LAN port8GE LAN port7

GE WAN port10GE LAN port9

VPN LED12GE WAN port11

LED Indicators

The following figures and table summarize the LED indicators that are located in the bezel or chassis of the

900 series.

Figure 7: LED Indicators on Ethernet SKUs- I/O Side

LAN LED2Power LED1

LAN LED4LAN LED3

WAN LED6LAN LED5

VPN LED8WAN LED7

Figure 8: LED Indicators on DSL SKUs- I/O Side

xDSL CD LED2System LED1

WAN LED4xDSL DATA LED3

LAN LED6LAN LED5

LAN LED8LAN LED7

VPN LED9

Hardware Installation Guide for the Cisco 900 Series Integrated Services Router

Overview of Cisco 900 Series Integrated Services Routers

LED Indicators

The following table summarizes the LED indicators that are located in the chassis of the Cisco ISR 900 series

routers.

Table 2: LED Indicators for Cisco ISR 900 Series Routers

DescriptionLED ColorPort

System is offOFFSYS

Boot up phase or in ROM Monitor

mode

Blink

Normal operationSteady on

Thermal tripAmber(steady)

ROMMON code signing

verification failure

Amber(blink)

At least one VPN session is active

GreenVPN OK

VPN not connectedOFF

LAN connection is established.

Green(Solid)LAN

Data transmission is happening on

the link.

Green (Blinking)

LAN is not connectedOFF

WAN link is established

Green(Solid)WAN

Data transmission is happening on

the link.

Green (Blinking)

WAN link is not connected.OFF

Shut

OFFDSL CD

Training, or no shut and cable

disconnected.

Green(Blinking)

TrainedGreen (solid)

ShutOFFDSL Data

TX/RX DataGreen(Blinking)

Power Supply

The product power specifications for external power supply units are as follows:

• AC input voltage: Universal 100 to 240 VAC

• Frequency: 50 to 60 Hz

Hardware Installation Guide for the Cisco 900 Series Integrated Services Router

Overview of Cisco 900 Series Integrated Services Routers

Power Supply

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