Chapter 4: Product Design
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Fig.4-4 LED Lamps of UT-6516U Switch
Fig.4-5 LED Lamps of UT-6524 Switch
PWR lamp (power indicator): After the switch power is on, this lamp will light up in a
constant red. If this lamp fails to light up, check whether the power has been
properly connected.
100 Mpbs lamp (speed indicator): When one port is connected to a 100 Mbps
device, the corresponding LED lamp will light up in a constant green. The LED lamp
will not light up if one port is connected to a 10 Mbps device.
Link/Act lamp (linkage indicator): When a port is connected to a network device, the
corresponding LED lamp will light up in a constant green. After a port is connected,
the corresponding LED lamp will flash in green while data is transmitted and
received.
