HP 10BASE-T Guia do Utilizador descarregar pdf (Página 115)

Example Topologies

Following are two simple example topologies that may give you some

ideas on how a backup link could be used in your network.

Example 1: Hub-to-Hub

In this example topology, the primary and backup links consist of

twisted-pair cable segments between two HP AdvanceStack hubs.

Wiring Closet 1

Wiring Closet 2

To another network

Backup Link

Primary Link

Backup Links

D-8

1 2 ... 110 111 112 113 114 115 116 117 118 119 120 ... 135 136

HP AdvanceStack 10Base-T Hubs 1
Features 4
(continued on next page) 4
(continued) 5
HP Customer Support Services 7
Contents 8
3 Hub Reference 10
4 Troubleshooting 11
A Cables and Connectors 12
B Specifications 12
C Network Addressing 12
D Backup Links 13
10Base-T Hubs 14
Installation Summary 15
Installation Steps 16
2. Verify the Hub’s Operation 17
3. Mount the Hub 18
10-mm M4 19
Important 20
Mounting the Hub on a Wall 23
to the Hub 24
Distributed Management 26
Network Port Connections 27
24681012 1357911 28
10Base-T 28
24681012 28
Cable Management 32
Installing and Using 38
HP Stack Manager 38
Software Description 39
Computer Requirements 40
Installing and Starting 41
Communications Settings 43
Connect/Disconnect 43
Automatic Chain Display 44
Online Help 44
Port Status Display 44
LAN Traffic Statistics 44
Hub Identification 44
Port Enable/Disable 45
Port Counters 45
Redundant Power Supply (RPS) 45
Advanced Features 46
IP Configuration 47
Password 47
Authorized Managers 48
Backup Link 48
Robust Port Control 48
Network Tests 49
Factory Reset 49
Hub Reference 50
Front Panel 51
Back Panel 51
Front of the hub 52
How the Hubs Work 54
Auto-Segmentation 55
Link Beat 56
Managing Your Hub — 57
HP Distributed Management 57
Chaining the Hubs 58
Out-of-Band Management 58
In-Band (Network) Management 58
Security Features 59
Port Security 60
Authorized Managers List 60
Optional Modules 61
HP Transceiver Modules 63
HP Router Module 64
HP Dial-a-LAN Remote Access 66
HP J2624A Dial-A-LAN 4A 67
Firmware Enhancements 68
Troubleshooting 70
Troubleshooting Approaches 71
Diagnosing with the LEDs 72
LED Error Indications 73
Installation Problems 75
Cabling Problems 76
Unusual Network Activity 77
IP Configuration Errors 77
Diagnostic Tests 78
Testing Twisted-Pair Cabling 79
Clearing a Password 80
Customer Support Services 81
CompuServe 83
Cables and Connectors 86
Recommended Cables 88
Twisted-Pair Cable/Connector 89
Pin-Outs 89
Management Chaining 90
(not a network connection) 90
Hub-to-Hub Network Connection 91
ThinLAN Cable Requirements 92
AUI Cable Minimum Pin-Out 93
RS-232 Connector and Cable 94
RS-232-C “Null Modem” Cable 95
(supplied with the hub) 95
RS-232-C Modem Cable 95
Specifications 96
Network Addressing 100
Communication Between the Hub 101
IPX Addressing Notes: 102
Networks 103
Using BOOTP 105
This tag must precede the 106
For the HP 106
Backup Links 108
Description 109
Limitations 110
Additional Notes 110
Configuring a Backup Link 111
Identifying the Backup Link 112
Indications of Backup Link 113
Activation 113
Reactivating the Primary Link 114
Example Topologies 115
Safety Information 119
Symboles de sécurité 120
Safety and Regulatory 120
Statements 120
Hinweise zur Sicherheit 121
Simboli di sicurezza 122
Símbolos de seguridad 123
Regulatory Statements 125
Declaration of Conformity 126
*5964-4601* 136

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