Allied-telesis AT-MR820T Instrukcja Użytkownika Pobierz pdf (Strona 31)

AT-MR420T and AT-MR820T Installation Guide

In general, Port status LEDs show the functionality of the port. If the

LINK OK status light is green and the Receive status is flashing

amber, a signal is being received and the segment attached to the port

is functional.

If there is no link light, there is no signal continuity.

Check that the attached DTE is ON and that the proper cable is

being used.

If this check does not identify the problem, it may indicate that a

repeater or the device connected to the port is faulty. Move the cable to

the adjacent ports to further isolate the problem to the repeater or to

the attached device. It may be necessary to change cables to isolate the

fault lot a particular cable.

Hub Status Indicators

Three Hub Status LEDs at the far right of the front panel indicate the

overall status of the repeater. Figure 6 shows the location of these

indicators.

Figure 6: Hub Status LEDs

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Allied-telesis AT-MR820T Instrukcja Użytkownika Strona 31