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Chapter 14 Cable Diagnostics
GS-1524/GS-1548 User’s Guide
88
Status This field displays the results of the test:
Ok - the cable is working properly.
Open - there is no cable connected to the port or the cable is
damaged.
Short - there is a short along the cable.
Short-between-pair - there is a short between two twisted pairs of
cable.
Pair A .. Pair D This field displays the whether the twisted pair has a good connection -
Ok, or it displays the type of fault the Switch has detected: Open,
Short or Short-between-pair. It also displays the length of total
twisted pair length or the distance to the detected fault depending
whether the cable tested Ok or a fault was found.
Table 28 Cable Diagnostic (continued)
LABEL DESCRIPTION
- GS-1524 / GS-1548 1
- About This User's Guide 3
- Document Conventions 5
- Icons Used in Figures 6
- Safety Warnings 7
- Contents Overview 10
- GS-1524/GS-1548 User’s Guide 10
- Table of Contents 11
- Introduction and 17
- Hardware Overview 17
- CHAPTER 1 19
- 1.1.2 Bridging Example 20
- CHAPTER 2 23
- 2.2.1.1 Precautions 24
- CHAPTER 3 27
- 3.1.1 Ethernet Ports 28
- 3.1.2 Mini-GBIC Slots 28
- 3.2 LEDs 30
- 3.3 Rear Panel 31
- 3.4.1 Power Connector 32
- Basic & Advanced 33
- Settings 33
- CHAPTER 4 35
- 4.3 The Status Screen 36
- 4.3.1 The LED Panel 37
- 4.3.2 The Navigation Panel 37
- LINK DESCRIPTION 38
- 4.5 Switch Lockout 40
- 4.6 Resetting the Switch 40
- 4.8 Help 41
- CHAPTER 5 43
- 5.1.1 Configure IP Address 44
- 5.1.3 Backup Settings 45
- 5.1.4 Restore Settings 46
- 5.3 Firmware Upgrade 47
- CHAPTER 6 49
- 6.2 Port Configuration 50
- Chapter 6 Port Settings 51
- Chapter 6 Port Settings 52
- CHAPTER 7 53
- 7.3 Port Statistics 54
- CHAPTER 8 57
- 8.2 Static VLAN 58
- Table 12 VLAN: VLAN Status 59
- Figure 35 VLAN: Edit VLAN 60
- Table 13 VLAN: Create VLAN 60
- Table 14 VLAN: Edit VLAN 61
- Chapter 8 VLAN 62
- CHAPTER 9 63
- 9.2 Trunk Setting Screen 64
- CHAPTER 10 65
- Chapter 10 Mirroring 66
- CHAPTER 11 67
- 11.2 QoS Enhancement 68
- 11.3 Configuring QoS 69
- 11.4 Advanced QoS Settings 70
- 11.4.1 Port Based QoS 71
- 11.4.2 DSCP Based QoS 72
- 11.4.4 DSCP Based QoS Screen 73
- 11.4.5 ToS Based QoS 74
- 11.4.6 IP Address Based QoS 75
- CHAPTER 12 77
- 12.1.1 Rate Limit Screen 78
- CHAPTER 13 83
- CHAPTER 14 87
- Chapter 14 Cable Diagnostics 88
- CHAPTER 15 89
- Table 29 DoS Attack Summary 90
- CHAPTER 16 93
- 16.2 Auto VoIP Settings 94
- PART III 95
- CHAPTER 17 97
- 17.2 Logging Screen 98
- 17.3 Logging: Add Server 99
- Figure 56 Logs: RAM/Flash 100
- Table 35 Logs: RAM/Flash 100
- Chapter 17 Event Logging 101
- LABEL DESCRIPTION 101
- Chapter 17 Event Logging 102
- 17.5.1 Search Results 103
- CHAPTER 18 105
- 18.1.1 Supported MIBs 106
- 18.1.2 SNMP Traps 107
- 18.1.4 SNMP EngineID 107
- 18.2 SNMP Group 108
- 18.2.1 SNMP Group: Create 109
- 18.3 SNMP User 110
- Figure 64 SNMP User 111
- Table 44 SNMP User 111
- 18.3.1 SNMP User: Create 112
- 18.3.2 SNMP User: Modify 113
- 18.4 SNMP Community 114
- 18.5 SNMP Notification 116
- 18.6 SNMP Trap Station 117
- Table 51 SNMP Trap Station 118
- Chapter 18 SNMP 120
- CHAPTER 19 121
- 19.4 RMON-Lite History MIB 124
- 19.5 RMON Alarm: Overview 129
- Chapter 19 RMON-Lite 131
- 19.6 RMON Event: Overview 132
- Chapter 19 RMON-Lite 136
- CHAPTER 20 137
- 20.2 Enabling Dynamic ARP 138
- Table 67 ARP Table 139
- Table 68 ARP Table 140
- CHAPTER 21 141
- 21.2 Switch Access and Login 142
- Chapter 21 Troubleshooting 144
- CHAPTER 22 145
- Table 72 Firmware Features 148
- Appendices and 151
- APPENDIX A 153
- Subnet Masks 154
- Network Size 155
- Notation 156
- Subnetting 156
- Example: Four Subnets 158
- Table 77 Subnet 1 159
- Table 78 Subnet 2 159
- Table 79 Subnet 3 159
- Table 80 Subnet 4 159
- Example: Eight Subnets 160
- Subnet Planning 160
- Configuring IP Addresses 161
- Private IP Addresses 162
- APPENDIX B 163
- FCC Warning 164
- CE Mark Warning: 164
- Warning: 164
- Notices 164
- ZyXEL Limited Warranty 165
- Appendix B Legal Information 166
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