Loopback; Network Diagnose - TP-Link TL-SL2428 User Manual

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.

11.3.2 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 Diagnose→Loopback to load the following page.
The following entries are displayed on this screen:
Loopback Type

Internal:
External:
Loopback Port

Loopback Port:
Test:

11.4 Network Diagnose

This switch provides Ping test and Tracert test functions for network diagnose.
Figure 11-8 Loopback
Select Internal to test whether the port is available.
Select External to test whether the device connected to the port
of the switch is available
Select the desired port for loopback test.
Click the Test button to start the loopback test for the port.
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