D-Link DP-301U - Print Server - USB Guida di Installazione Scaricare il pdf (Pagina 8)

Immediately after power-up, all three of the green LEDs should illuminate steadily

for several seconds. Then the USB LED should ﬂash ON three times. Irregularity

of the LED during this LED test may mean there is a problem with the LED itself.

The actual component tests immediately follow the LED tests. A normal (no fault)

result is signaled by a ﬂashing of the USB LED, followed by a darkened LED.

If the Self-Test routine traps any component error, then following the LED tests

the Self-Test will halt and the LEDs will continuously signal the error according to

the following table. In the event of any such error signal, contact your dealer for

correction of the faulty unit.

When the DP-301U is powered ON, it also automatically performs a Self-Test

on each of its major components. The ﬁnal result of the Self-Test is signaled by

the state of the USB LED indicator following the Self-Test. Preliminary to the

actual component tests, the LED indicators are tested to conﬁrm their steady and

ﬂashing operation.

Power ON Self-Test

Every DP-301U has been factory-tested to operate properly.

USB LED

Faulty Component

low speed ﬂashing

Need to reload ﬁrmware

steady ON

DRAM error

1 long 2 short

1 long 3 short

1 long 5 short

1 long 6 short

1 long 7 short

1 long 11short

LAN I/O base error

LAN memory error

LAN Controller error

Flash Erase/Program error

Flash Protected

Timer INT error

1 long 18 short

USB error

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D-Link DP-301U - Print Server - USB Guida di Installazione Pagina 8