TP-LINK TL-SG3424P User Manual

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Note: 
1.  The Length displayed here is the length of pair cable not that of the physical cable. 
2.  The test result is just for your reference. 
16.3.2  Loopback 
Loopback test function, looping the sender and the receiver of the signal, is used to test whether 
the port of the switch is available as well as to check and analyze the physical connection status of 
the port to help you locate and solve network malfunctions.   
Choose the menu Maintenance→Device Diagnostics→Loopback to load the following page. 
 
Figure 16-8 Loopback 
The following entries are displayed on this screen: 
¾
 
Loopback Type   
Internal: 
Select Internal to test whether the port is available. 
External: 
Select External to test whether the device connected to the port
of the switch is available   
¾
 
Loopback Port  
Loopback Port: 
Select the desired port for loopback test. 
Test: 
Click the Test button to start the loopback test for the port. 
16.4 Network Diagnostics 
This switch provides Ping test and Tracert test functions for network diagnostics. 
16.4.1  Ping 
Ping test function, testing the connectivity between the switch and one node of the network, 
facilitates you to test the network connectivity and reachability of the host so as to locate the 
network malfunctions. 
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