Cisco 2525 Uživatelská příručka stáhnout pdf (Strana 56)

3-24 Cisco 2524 and Cisco 2525 Router User Guide

Connecting to the Network

Step 5 If you have an ISDN BRI module (without an integrated NT1 device), use a

straight-through RJ-45-to-RJ-45 cable to connect the ISDN BRI (RJ-45) port to

an NT1 device. (See Figure 3-24.)

Figure 3-24 Connecting the ISDN BRI Module to an NT1 Device

SERIAL 1

SERIAL 0

BRI 0

ISDN BRI port (RJ-45)

H5257

NT1 device

Router

Straight-through

RJ-45-to-RJ-45 cable

S/T interface

ISDN-BRI

ACTIVITY

1 2 ... 51 52 53 54 55 56 57 58 59 60 61 ... 165 166

About This Guide 1
Document Organization 2
Document Conventions 3
Safety Warnings.”) 4
Overview of the Cisco 2524 5
Features 10
Speciﬁcations 11
FCC Part 68 13
Preparing to Install the 15
Cisco 2524 and Cisco 2525 15
Safety Recommendations 16
Site Environment 18
Preventive Site Conﬁguration 18
Conﬁguring Equipment Racks 19
Power Supply Considerations 19
Installation Checklist 20
Creating a Site Log 22
1. kHz = kilohertz 23
ISDN Connections 26
1. nF = nanoFarad 27
Ethernet Connections 29
Token Ring Connections 29
Console Port Connections 30
Auxiliary Port Connections 30
Inspecting the System 31
Installing the Cisco 2524 and 33
Required Tools and Parts 34
Setting Up the Chassis 35
Rack-Mounting the Chassis 36
Attaching the Brackets 37
Figure 3-6 or Figure 3-7 38
Figure 3-8 or Figure 3-9 39
Installing in a Rack 40
Wall-Mounting the Chassis 41
SERIAL 1 42
SERIAL 0 42
DC Power Speciﬁcations 43
Wiring the DC Power Supply 44
Input: –40––72V 45
Current: 1.5–1.0A 45
Watts: 40W 45
Connecting to the Network 46
Connecting to a WAN 51
Figure 3-20.) 52
Figure 3-21.) 53
Figure 3-22.) 54
ACTIVITY 55
Console port 59
RJ-45 roll-over cable 59
RJ-45-to-DB-25 adapter 59
Conﬁguring the Cisco 2524 and 63
Conﬁguring the Router 64
Using Conﬁguration Mode 65
Using AutoInstall 66
Configuring the Router 67
Conﬁguring ISDN 76
Conﬁguring Switched 56 78
Conﬁguring DDS 79
Specifying the Boot Method 82
Getting More Information 84
Cabling Speciﬁcations for the 85
Identifying a Roll-Over Cable 86
Pin 1 and pin 8 87
(labeled Terminal) 88
(labeled Modem) 89
Token Ring Port Pinouts 93
RJ-48C jack 94
EIA/TIA-232 97
EIA/TIA-449 99
<— indicates DCE to DTE 102
APPENDIX 109
Running Diagnostic Tests 111
Getting Help 111
Cisco 2525 Routers 113
Installing WAN Modules 114
Opening the Chassis 115
Tools Required 116
Removing the Chassis Cover 116
Screw Slot 117
Flat-blade screwdriver 117
CODE0CODE1 118
Upgrading the DRAM SIMM 119
Tools and Equipment Required 121
DRAM SIMM Installation 121
System-Code SIMM Replacement 123
Replacing the Cover 126
Recovering Lost Passwords 127
(Router#): 132
> b [tftp] flash filename 134
Translated Safety Warnings 141
Product Disposal Warning 142
Jewelry Removal Warning 143
Ground Connection Warning 144
Installation Warning 145
TN Power Warning 146
Circuit Breaker (15A) Warning 146
SELV Circuit Warning 148
ISDN Connection Warning 152
Qualiﬁed Personnel Warning 154
Restricted Area Warning 155
DC Power Supply Warning 159
DC Power Connection Warning 160
Lightning Activity Warning 161
Grounded Equipment Warning 162
Power Supply Warning 164

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