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6
Network Cable Connector
The Print Server’s rear panel features an RJ-45 connector for connection to
10Base-T Ethernet cabling or 100Base-TX Fast Ethernet cabling (which should
be Category 5 twisted-pair cable).
The port supports the NWay protocol, allowing
the Print Server to automatically detect or negotiate the transmission speed of the
network.
DC Power Connector
The DC power input connector is located on the Print Server’s rear panel and is
labeled DC 5V.
LED Indicators
The front panel of the
Print Server features
five LED indicators:
Power
Rear Panel Connectors
USB
Power
LAN
USB
RJ-45
Reset
Page 7 / 80
7
Power
Steady or flashing green confirms that the Print Server is powered
ON
.
Link/Act
Steady or flashing green confirms that the Print Server has a good
connection to the Ethernet or Fast Ethernet network.
The indicator blinks off briefly to indicate that the Print Server is
receiving or transmitting from the network.
USB
These three indicators are also used by the Print Server’s Power-
ON
Self Test
(POST) to indicate any hardware failures.
Setting up the DP-301U
Installing the Print Server
WARNING:
Configuration problems may result if the Print Server is powered up without
first establishing its network connection. Follow this procedure to avoid complications at
the configuration stage.
The LED indicator lights up to show that the Print Server is transferring
print data through the USB port.
Confirm proper operation of each of the printers to be connected to the
DP-301U.
1.
When you have confirmed proper operation of each printer, switch its power
OFF
.
2.
Confirm that your network is operating normally.
3.
Connect the DP-301U RJ-45 Connector to the network, using an Ethernet
CAT5 cable.
4.
While the printer is powered
OFF
, install the USB printer cable to connect the
printer’s USB port to the USB port of the Print Server.
5.
Switch on each connected printer.
6.
Plug the AC power adapter’s DC output plug into the DC 5V power socket on
the rear panel of the Print Server.
7.
Plug the power adapter into a power outlet. This will supply power to the Print
Server, as it has no external power switch. The green Power LED on the Print
Server’s front panel should illuminate steadily, and the Print Server’s Self-Test
will proceed.
8.
Front Panel LED Indicators
Page 8 / 80
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
Page 9 / 80
9
Getting Started
Below is a sample network using the DP-301U. The DP-301U has a built- in Web-
based management feature that allows users to easily configure and manage
multiple print queues through TCP/IP.
Warning!
Only a USB printer may be connected to the USB port of the
DP-301U. Do not
connect any other USB devices to the USB port of the DP-301U; to do so, may
damage the unit and will void the warranty for this product.
For a list of printers that are compatible with the DP-301U, please see the
Ap-
pendix
in this manual. The compatibility list is not comprehensive. Even if it is
not included in the list,
your printer may be compatible with the DP-301U.
Page 10 / 80
10
When you entered the default IP address, the main screen of the Print Server’s
configuration will appear (see below).
In addition to the product information, you
can access and control the Print Server’s configuration through four links on the top
of this main screen:
Home,
Configuration
,
Tools
, and
Help
.
Open your web browser and type
in the address box, and
press <Enter>.
This set of numbers is the default IP Address of your Print Server.
Please note that the PC’s IP Address must correspond with the Print Server’s
IP Address in the same segment for the two devices to communicate.
Using the
Web Configuration

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