Cisco 2511 - Router - EN Guía de usuario descargar pdf (Pagina 159)

Cable Specifications C-21

Asynchronous Serial Ports

3 1 CTS 47

2 DSR 13

3 RXD 46

4 RXD GND 12

5 TXD GND 45

6 TXD 11

7 DTR 44

8 RTS 10

4 1 CTS 51

2 DSR 17

3 RXD 50

4 RXD GND 16

5 TXD GND 49

6 TXD 15

7 DTR 48

8 RTS 14

5 1 CTS 55

2 DSR 21

3 RXD 54

4 RXD GND 20

5 TXD GND 53

6 TXD 19

7 DTR 52

8 RTS 18

RJ-45

Plug Pin Signal

68-Pin

SCSI (J1)

1 2 ... 154 155 156 157 158 159 160 161 162 163 164 ... 173 174

About This Guide 1
Document Organization 2
Document Conventions 3
Safety Warnings.” 4
Overview of the Cisco 2500 5
Access Server Services 7
System Speciﬁcations 8
System Specifications 10
2500 Series Access Server 11
Safety Recommendations 12
General Site Requirements 13
Site Environment 14
Preventive Site Conﬁguration 14
Power Supply Considerations 15
Installation Checklist 16
Creating a Site Log 17
Cabling Considerations 17
Distance Limitations 18
Console Port Connections 20
Auxiliary Port Connections 20
Ethernet Connections 20
• Slide latch connectors 21
• Jackscrew connectors 21
Inspecting the System 22
• Warranty pack 23
Access Server 25
Required Tools and Parts 26
Installing the Rubber Feet 27
Rack-Mounting the Chassis 28
19-Inch Rack 29
Telco Rack 30
Wall-Mounting the Chassis 31
Vertical 32
Power supply 32
Connecting to the Network 33
RJ-45 to DB-25 adapter 36
Connector plugged into the 36
Access server 36
Modem or terminal 36
AUX SER 0 ETH 39
Conﬁguring the Cisco 2500 41
Additional Publications 42
Contacting Customer Service 42
• WWW: http://www.cisco.com 43
• Telnet: cio.cisco.com 43
• Chassis serial number 43
• Maintenance contract number 43
• Phone: 32 2 778 42 42 44
• Fax: 32 2 778 43 00 44
• E-mail: [email protected] 44
Conﬁguring the Access Server 45
Router> enable 46
Configuring the Access Server 47
Checking Your Settings 57
Internetworking Primer 59
• Internal memory components 60
• Command modes 60
• Conﬁguration ﬁles 60
ROM Monitor 62
Boot ROM 62
Cisco IOS 63
Command Modes 63
EXEC Modes 64
User EXEC Mode 64
Privileged EXEC Mode 64
Conﬁguration Mode 65
Conﬁguration Files 66
LANs and WANs 67
LAN Technologies 69
Ethernet LANs 70
Conﬁguring Ethernet 70
Token Ring LANs 70
Conﬁguring Token Ring 71
LAN Addressing 71
WAN Technologies 72
WAN Physical Layer (Layer 1) 73
Master Clock Timing 73
WAN Data Link Layer 74
Point-to-Point WANs 75
High-Level Data Link Control 75
Point-to-Point Protocol 76
Multipoint WAN Technologies 76
• Fully meshed topology 77
• Partially meshed topology 77
Desktop Protocols 78
Routed Protocol Design Goals 79
Routing Protocols 81
Internet Protocol 82
IP Network Numbering 83
IP Node Numbering 84
IP Routing Protocols 84
IP Directory Services 85
IP Conﬁguration Example 85
IPX Protocol 86
• IPX RIP 87
• IPX enhanced IGRP 87
• Novell Link State Protocol 87
IPX Directory Services 88
IPX Data Link Encapsulations 88
AppleTalk Protocol 89
AppleTalk Network Numbering 90
AppleTalk Node Numbering 91
AppleTalk Routing Protocols 92
AppleTalk Directory Services 92
• Conﬁguring the Modem 95
• Data transfer (TX/RX) 96
• Modem control (DTR/DCD) 96
Data Transfer (TX/RX) 97
Modem Control (DTR/DCD) 98
Conﬁguring the Line 99
Security Commands 99
Global commands 99
Line security options 100
Communicating with the Modem 101
Testing the Modem Connection 102
Conﬁguring the Modem 103
Locking EIA/TIA-232 Speed 104
Correct DCD Operation 104
Other Modem Settings 105
Best error correction 105
Best data compression 105
Answering calls 105
Proper DTR Interpretation 105
Initializing the Modem 106
Asynchronous Protocols 107
The EXEC Session 108
Launching Autoselect 108
Conﬁguring Asynchronous Ports 109
Modem Conﬁguration 110
Conﬁguring PPP, SLIP, and ARA 110
Serial Line Internet Protocol 112
Conﬁguration Example 113
Maintaining the Cisco 2500 115
Series Access Server 115
Opening the Chassis 116
Screw Slot 117
Flat-blade screwdriver 117
CODE 1 CODE 0 118
• Two boot PROMs 119
Upgrading the Boot PROMs 120
• ESD-preventive wrist strap 122
Replacing System-Code SIMMs 124
Closing the Chassis 126
Replacing the Cover 127
> o/r 0x042 129
Press RETURN to get started! 129
• Recover a lost password 132
• Enable or disable Break 132
> b [tftp] flash filename 134
Copying to Flash Memory 137
Cable Speciﬁcations 139
EIA/TIA-232 143
EIA/TIA-449 146
Token Ring Pinout 156
Pin 1 and pin 8 161
Translated Safety Warnings 163
Jewelry Removal Warning 164
Installation Warning 166
TN Power Statement 166
Circuit Breaker (15A) Warning 167
SELV Circuit Warning 168
Power Supply Warning 171
Lightning Activity Warning 173

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Cisco 2511 - Router - EN Guía de usuario Pagina 159

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