Operation Manual
Table Of Contents
- Package Contents
- Chapter 1 About This Guide
- Chapter 2 Introduction
- Chapter 3 Login to the Switch
- Chapter 4 System
- Chapter 5 Switching
- Chapter 6 VLAN
- Chapter 7 Spanning Tree
- Chapter 8 Ethernet OAM
- Chapter 9 DHCP
- Chapter 10 Multicast
- Chapter 11 QoS
- Chapter 12 ACL
- Chapter 13 Network Security
- Chapter 14 SNMP
- Chapter 15 LLDP
- Chapter 16 Cluster
- Chapter 17 Maintenance
- Chapter 18 System Maintenance via FTP
- Appendix A: Glossary

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Figure 17-6 Backup Log
The following entry is displayed on this screen:
Backup Log
Backup Log
: Click the Backup Log button to save the log as a file to your
computer.
Note:
It will take a few minutes to backup the log file. Please wait without any operation.
17.3 Device Diagnostics
This switch provides Cable Test functions for device diagnostics.
Cable Test functions to test the connection status of the cable connected to the switch, which
facilitates you to locate and diagnose the trouble spot of the network.
Choose the menu Maintenance→Device Diagnostics→Cable Test to load the following page.
Figure 17-7 Cable Test
The following entries are displayed on this screen:
Cable Test
Port:
Select the port for cable testing.
Pair:
Displays the Pair number.
Status
:
Displays the connection status of the cable connected to the port.
The test results of the cable include normal, close, open or
impedance.
Length
:
If the connection status is normal, here displays the length range of
the cable.