Cisco 1721 User Manual download pdf (Page 47)

2-15

Cisco 1721 Router Hardware Installation Guide

78-13834-02

Chapter 2 Installation

Optional Installation Steps

Figure 2-8 Assembling Stacking Clip and Fastener

After assembling the clip and fastener, follow these steps to to stack the router

with another device:

Step 1 Place the clip on top of the lower device, as shown in Figure 2-9. Slide the clip

forward so that the front tabs slide into the vent slots. Make sure that the rear

hooks fit over the edge of the lower device.

H11542

Push plastic fastener

through small hole

at the end of the

stacking clip.

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Cisco 1721 Router Hardware 1
Installation Guide 1
CONTENTS 5
2 Installation 2-1 6
3 Troubleshooting 3-1 6
B Cabling Specifications B-1 7
Contents 8
Audience and Scope 9
Organization 9
Related Documentation 10
Conventions 11
78-13834-02 12
Obtaining Documentation 14
Cisco.com 15
Documentation DVD 15
Ordering Documentation 15
Documentation Feedback 16
• 1 877 228-7302 17
• 1 408 525-6532 17
Submitting a Service Request 18
Cisco 1721 Router Overview 23
Key Features 24
Back Panel Ports and LEDs 26
Front Panel LEDs 27
Router Memory 29
Types of Memory 30
Amounts of Memory 30
Unpacking the Router 31
Additional Required Equipment 31
Installation 33
Chapter 2 Installation 34
Installing WICs 36
WIC Installation 37
Installing the Cards 38
WAN interface card 39
Verifying Your Installation 41
Optional Installation Steps 42
Console port 43
Blue console cable 43
To PC or terminal 43
Connecting a Modem 44
Wall-Mounting 45
Stacking the Router 46
Push plastic fastener 47
Unstacking the Router 49
Troubleshooting 51
Recovering a Lost Password 52
Resetting the Router 54
Resetting the Password 56
Problem Solving 57
Troubleshooting ISDN 61
Technical Specifications 63
Cabling Specifications 65
Console Cable and Adapter 67
Safety Warnings 69
Opening the Chassis 70
Rear panel 71
#1 Phillips screwdriver 71
Top of router 71
Locating Modules 72
Installing a DIMM 73
Installing a VPN Module 74
Figure C-5 75
Standoff screws 76
Bottom of the board 76
Closing the Chassis 77
Figure C-1.) 78
APPENDIX 79
ISDN BRI Switch Types 80
New Zealand 81
ISDN Configuration Options 84
Dial-on-Demand Routing 85
Numerics 87

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Cisco 1721 User Manual Page 47

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