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HP 100Base-T Hubs Installation and Reference Guide
A-4 Troubleshooting
Physical Configuration
If problems occur after altering the network configuration,
restore the original connections, and try to track the problem
down by implementing the new changes, one step at a time.
Ensure that cable distances and other physical aspects of the
installation do not exceed 100Base-TX specifications (refer to
Chapter 2).
System Integrity
As a last resort verify the hub’s integrity with a power-on reset.
Turn the power to the hub off and then on several times. If the
problem still persists and you have completed all the preceding
diagnoses, then contact your HP-authorized reseller for further
assistance. (Refer to Appendix F.)
- Package Contents 3
- Quick Installation 5
- iv Quick Installation 6
- Quick Installation v 7
- vi Quick Installation 8
- Quick Installation vii 9
- About this Guide 11
- Contents 12
- List of Figures 17
- List of Tables 18
- Chapter 1: Product Overview 21
- 1-2 Product Overview 22
- W Cat 5 UTP or STP) 22
- Hub-12TX 23
- Hub-12TXM 23
- Hub-24TX 24
- Switch Port Modules 24
- Network Management Software 24
- Product Overview 1-5 25
- Basic Hub Functions 27
- Outstanding Performance 27
- Extensive Management 27
- Capabilities 27
- Easy Installation 28
- Complete Standards 28
- Conformance 28
- Networking Flexibility 29
- (via Switch Port Modules) 29
- Switching Technology 30
- Switching Methods 31
- 1-12 Product Overview 32
- Installing the System 2-1 33
- Hardware Installation 34
- Mounting Hubs in a Rack 35
- Connecting the Hub System 36
- Installing the System 2-5 37
- 2-6 Installing the System 38
- Category 5 shielded or 38
- Installing the System 2-7 39
- 2-8 Installing the System 40
- Installing the System 2-9 41
- 2-10 Installing the System 42
- Installing the System 2-11 43
- 0RGXOHVLQ 43
- Powering on the Hub 44
- Hot Swap 45
- Verifying Port Status 46
- Installing the System 2-15 47
- Isolation Architecture 48
- Hub ID Setting 49
- Using Management Agents 50
- Backup Links Function 51
- Security Features 51
- Hub Configuration screen 53
- Isolating Multiple Hubs 54
- Twisted-pair Cable 55
- Connecting Remote Stacks 58
- Configuring the System 4-1 60
- Direct Connection 61
- Network Connection 61
- Remote Connection 62
- 4-4 Configuring the System 63
- Configuring the Remote Site 63
- Configuring Your System 64
- 4-6 Configuring the System 65
- Configuring the System 4-7 66
- 4-8 Configuring the System 67
- Configuring the System 4-9 68
- Configuring the System 4-11 70
- 4-12 Configuring the System 71
- Configuring the System 4-13 72
- System Configuration 72
- 4-14 Configuring the System 73
- Configuring the System 4-15 74
- 4-16 Configuring the System 75
- Configuring the SNMP Agent 75
- Configuring the System 4-17 76
- Receivers as shown below: 77
- Configuring the System 4-19 78
- 4-20 Configuring the System 79
- Configuring Hub Parameters 79
- 4-22 Configuring the System 81
- Configuring the System 4-23 82
- Configuring Port Parameters 82
- 4-24 Configuring the System 83
- Configuring the System 4-25 84
- 4-26 Configuring the System 85
- Port Intrusion Control 85
- Configuring the System 4-27 86
- Defining Backup Ports 86
- 4-28 Configuring the System 87
- Table 4.16 Backup Links Menu 87
- Configuring the System 4-29 88
- System Statistics 88
- Figure 4.21 Statistics Menu 88
- Table 4.17 Statistics Menu 88
- Refresh Statistics 89
- Configuring the System 4-33 92
- Port Statistics 92
- )LHOG 'HVFULSWLRQ 95
- Configuring the System 4-37 96
- 4-38 Configuring the System 97
- Xmodem Download 97
- Configuring the System 4-39 98
- Console Security 98
- 4-40 Configuring the System 99
- Configuring the System 4-41 100
- Connectivity Test 100
- 4-42 Configuring the System 101
- Table 4.26 IP Ping Test Menu 101
- Configuring the System 4-43 102
- 4-44 Configuring the System 103
- Figure 4.35 Link Test Menu 103
- Table 4.28 Link Test Menu 103
- Rebooting the Hub 104
- Configuring the System 4-45 104
- Chapter 5: Hardware Reference 105
- Indicator Panel 106
- Exp Slot 107
- Managed 108
- Management Mode Indicators 108
- Hub ID 109
- Console 109
- Isolated 109
- Utilization % 110
- Collision % 110
- Port Status Indicators 111
- Troubleshooting 112
- Hardware Reference 5-9 113
- Diagnostic Test Indicators 114
- Network Connections 115
- Console Port 116
- Rear Panel Components 117
- Stacking Ports 118
- Appendix A: Troubleshooting 119
- System Diagnostics 120
- MDI port), make sure a 121
- Physical Configuration 122
- System Integrity 122
- Appendix B: Pin Assignments 123
- B-2 Pin Assignments 124
- Figure B.2 124
- Pin Assignments B-5 127
- Modem Configuration C-1 128
- C-2 Modem Configuration 129
- Product Specifications 132
- D-2 Product Specifications 133
- Statements 134
- Power Precautions 135
- Safety Information 136
- Hinweise zur Sicherheit 138
- Regulatory Statements 143
- European Community 144
- Canada 144
- Australia 144
- Declaration of Conformity 145
- World Wide Web 146
- Location Phone Number 147
- Glossary 148
- 12MDI-X/24MDI-X.) 151
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