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B-4 Router Installation and Configuration Guide

Opening the Chassis

Step 8 When the top cover is off, set it aside. Figure B-2 to Figure B-5 show the layout

of the system cards for models 2501 to 2504 and 2513 to 2515, respectively.

Figure B-2 System Card Layout—Model 2501, 2502, 2503, and 2504 Routers

H2351

Ethernet Serial 0 Serial 1 BRI Console Aux

Shared memory

(fixed DRAM)

Primary memory

(DRAM SIMM)

System-code SIMMs

(Flash or PROMs)

Boot ROMs

FW2 FW1

CODE1 CODE0

DRAM

Polarization

notch

Flash memory card socket

1 2 ... 83 84 85 86 87 88 89 90 91 92 93 ... 137 138

About This Guide 1
Organization 2
Conventions 2
Overview of the Router 5
Hardware Features 6
Overview of the Router 1-3 7
Overview of the Router 1-5 9
System Speciﬁcations 10
Obtaining Service and Support 11
Cisco Connection Online 12
Ordering Documentation 13
ISDN Connections 21
DTE or DCE 22
Signaling Standards 24
Router connections 25
EIA/TIA-449 V.35 X.21 25
EIA/TIA-232 EIA-530 25
EIA/TIA-232 Connections 26
EIA/TIA-449 Connections 26
V.35 Connections 27
X.21 Connections 28
Where to Go Next 31
Installing the Router 33
Required Tools and Equipment 34
Setting Up the Chassis 35
Rack-Mounting the Chassis 37
Wall-Mounting the Chassis 39
TOKEN RING 41
DC Power Speciﬁcations 42
Wiring the DC Power Supply 43
Input: –40– –72V 44
Current: 1.5–1.0A 44
Watts: 40W 44
Connecting to a Network 45
Installing the Router 3-17 49
AUX SER 0 ETH 51
Installing the Router 3-21 53
Conﬁguring the Router 55
Configuring the Router 4-3 57
Configuring the Router 4-5 59
Configuring the Router 4-9 63
Configuring the Router 4-11 65
Using Conﬁguration Mode 66
Using AutoInstall 67
Cisco IOS Software Basics 68
Saving Conﬁguration Changes 71
Conﬁguring ISDN 72
SPID_no [LDN] 74
Example ISDN Conﬁguration 75
Configuring ISDN 76
Getting More Information 77
Troubleshooting the Router 79
Isolating Problems 80
° F (0to40°C) 80
Reading the LEDs 81
Figure A-3 Model 2503 LEDs 82
Figure A-4 Model 2504 LEDs 82
Figure A-5 Model 2513 LEDs 82
Figure A-6 Model 2514 LEDs 83
Figure A-7 Model 2515 LEDs 83
Maintaining the Router 85
Opening the Chassis 86
Screw Slot 87
Flat-blade screwdriver 87
Maintaining the Router B-5 89
Maintaining the Router B-7 91
Upgrading the DRAM SIMM 92
• ESD-preventive wrist strap 94
• System-code SIMM(s) 94
System-Code SIMM Replacement 95
Closing the Chassis 97
Cable Speciﬁcations 99
Identifying a Roll-Over Cable 100
Token Ring Port Pinouts 105
EIA/TIA-232 108
EIA/TIA-449 111
<— indicates DCE to DTE 114
Multiport Serial Routers 123
Safety Recommendations 124
General Site Requirements 125
Site Environment 126
Preventive Site Conﬁguration 126
Conﬁguring Equipment Racks 127
Power Supply Considerations 127
Installation Checklist 129
Creating a Site Log 130
Cabling Considerations 130
Distance Limitations 131
Console Port Connections 133
Auxiliary Port Connections 133
Ethernet Connections 134
Token Ring Connections 134
BRI Connections 136
Inspecting the System 137

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