PLANET FGSW-2840 - Manual (Page 230)

User’s Manual of FGSW-2840 / FGSW-4840S
230
 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
Managed Switch is available.
Loopback Port
 Loopback Port Select the desired port for loopback test.
Loopback Result
Display the port information.  Port: N/A
Display the loopback test type result.  Type: N/A
Display the loopback test result.  Result: N/A
Buttons
: Click to start the cable test function.
: Click to display help web page.