
NPort 5100 Series
Quick Installation Guide
Edition 4.2, November 2018
Technical Support Contact Information
www.moxa.com/support
Moxa China (Shanghai office):
Toll
2018 Moxa Inc. All rights reserved.

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Overview
NPort 5100 series of device servers are compact, palm-sized data
communication devices that allow you to control RS-232 (NPort 5110),
RS-422/485 (NPort 5130), and RS-232/422/485 (NPort 5150) serial
devices over a TCP/IP-based Ethernet.
“-T” indicates an extended temperature model.
Package Checklist
Before installing the NPort 5100 series of device servers, verify that the
package contains the following items:
• 1 NPort 5100 Series 1-port serial device server
• 100 to 240 VAC power adapter (excluding T models)
• 4 stick-on pads
• Quick Installation Guide
• Warranty card
Optional Accessories
• DK-35A: DIN-Rail Mounting Kit (35 mm)
otify your sales representative if any of the above items are
The operating temperature of the power adapter in the box is
from 0 to 40°C. If your application is out of this range, please
use a power adapter supplied by UL
Supply (The power output meets SELV and LPS and rated 12
48 VDC, minimum current 0.73 A). Moxa has power adapters
with wide temperature range (
-40 to 75°C, -40 to 167°F), the
PWR-12150-(plug type)-SA-T series, for your reference.

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Hardware Introduction
As shown in the following figures, NPort 5100 series of device servers
have one male DB9 port for transmitting RS-232 (NPort 5110), RS422/485 (NPort 5130), or RS-232/422/485 (NPort 5150) serial data.
The NPort 5110, NPort 5130, and NPort 5150 have the same
form factor.
Reset Button—Press the Reset button continuously for 5 sec to load
factory defaults: Use a pointed object, such as a straightened paper clip
or toothpick, to press the reset button. This will cause the Ready LED to
blink on and off. The factory defaults will be loaded once the Ready LED
stops blinking (after about 5 seconds). At this point, you should release
the reset button.

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LED Indicators—NPort 5100’s top panel has three LED indicators,
which are described in the following table.
Ready
Red
Steady on: Power is on and NPort is booting
up.
Blinking: Indicates an IP conflict, or DHCP or
BOOTP server is not responding properly.
Steady on: Power is on and NPort is functioning
normally.
Blinking: The NPort has been located by NPort
Administrator’s Location function
Power is off, or power error condition exists.
10 Mbps Ethernet connection.
100 Mbps Ethernet connection.
Ethernet cable is disconnected, or has a short.
Serial port is receiving data.
Serial port is transmitting data.
No data is being transmitted or received
through the serial port.
Adjustable pull high/low resistor for RS-422/485 (150
KΩ or 1 KΩ)
Jumpers are used to set the pull
high/low resistor values. The default is
150 KΩ. Short the jumpers to set this
value to 1 KΩ. Do not use the KΩ setting
with RS
-232 mode, since doing so will
on distance.
Hardware Installation Information
STEP 1: After removing the NPort 5100 device server from the box,
connect the NPort 5100 device server to a network. Use a standard
straight-through Ethernet cable to connect to a hub or switch. When
setting up or testing the NPort 5100 device server, you might find it
convenient to connect directly to your computer’s Ethernet port. In this
case, use a cross-over Ethernet cable.
STEP 2: Connect the NPort 5100 device server’s serial port to a serial
device.
STEP 3: Connect the power adaptor.
STEP 4: Placement options

In addition to placing the
NPort 5100 on a desktop or
other horizonta
you may also make use of
the DIN
options, as illustrated here.
The operating temperature of the power adapter in the box is
from 0 to 40°C. If your application is out of this range, please
use
a power adapter supplied by UL Listed External Power
Supply (The power output meets SELV and LPS and rated 12
48 VDC, minimum current 0.73 A). Moxa has power adapters
with wide temperature range (
-40 to 75°C, -40 to 167°F), the
PWR-12150-(plug type)-SA-T series, for your reference.
For the NPort’s configuration, the default IP address of the NPort is:
LAN: Static IP = 192.168.127.254; netmask = 255.255.255.0
You may log in with the password moxa to change any setting to meet
your network topology (e.g., IP address) or serial device (e.g., serial
parameters). If you would like to apply the Real COM mode to your
application, you will need to install the NPort’s driver on your desktop.
You may also refer to Moxa’s support website
https://www.moxa.com/support/
for the user’s manual, driver, NPort
Search Utility, and more.
For the NPort with DB Male serial ports, you may refer to the
DB9 Male Ports
Pin Assignment section to loop back pin 2 and
-232 interface to carry out a self test on the
Pin Assignments
Ethernet Port Pinouts

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NPort 5110—DB9 male (RS-232) port pinouts
NPort 5130—DB9 male (RS-422/485) port pinouts
NPort 5150—DB9 male (RS-232/422/485) port pinouts
NPort 5110: 128.7 mA @ 12V, 72 mA @ 24V
NPort 5130: 200 mA @ 12V, 106 mA @ 24V
NPort 5150: 200 mA @ 12V, 106 mA @ 24V
0 to 55°C (32 to 131°F), for standard models
-40 to 75°C (-40 to 167°F), for -T models
75.2 x 80 x 22 mm
(2.96 x 3.15 x 0.87 in)
15 KV ESD for serial port
Level 2 Burst (EFT), EN61000-4-4
Level 2 Surge, EN61000-4-5
FCC Class A, CE Class A, UL, LVD