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NPort P5150A Series

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1-port RS-232/422/485 PoE serial device servers

Product Feature

  • IEEE 802.3af-compliant PoE power device equipment
  • Speedy 3-step web-based configuration
  • Surge protection for serial, Ethernet, and power
  • COM port grouping and UDP multicast applications
  • Screw-type power connectors for secure installation
  • Real COM/TTY drivers for Windows and Linux
  • Standard TCP/IP interface and versatile TCP and UDP operation modes


NPort® P5150A device servers are designed to make serial devices network-ready in an instant. It is a power device and is IEEE 802.3af compliant, so it can be powered by a PoE PSE device without an additional power supply. Use the NPort® P5150A device servers to give your PC software direct access to serial devices from anywhere on the network. The NPort® P5150A device servers are ultra-lean, ruggedized, and user-friendly, making simple and reliable serial-to-Ethernet solutions possible.


Surge Protection for Serial, Ethernet, and Power

Surge, which is typically caused by high voltages that result from switching and lightning transients, is a common threat to all electrical devices. Moxa’s leading-edge surge immunity solution, which is applied to the NPort® P5150A’s serial, power, and Ethernet lines, is tested and proven compliant with IEC 61000-4-5. This state-of-the-art surge protection provides a robust serial-to-Ethernet solution that can protect electrical devices from voltage spikes and withstand electrically noisy environmental conditions.


3-Step Web-based Configuration

The NPort® P5150A’s 3-step web-based configuration tool is straightforward and user-friendly. The NPort® P5150A’s web console guides users through 3 simple configuration steps that are necessary to activate the serial-to-Ethernet application. With this speedy 3-step web-based configuration, a user only needs to spend an average of 30 seconds to complete the NPort® settings and enable the application, saving a great amount of time and effort.


Easy to Troubleshoot

NPort® P5150A device servers support SNMP, which can be used to monitor all units over Ethernet. Each unit can be configured to send trap messages automatically to the SNMP manager when user-defined errors are encountered. For users who do not use SNMP manager, an email alert can be sent instead. Users can define the trigger for the alerts using Moxa’s Windows utility, or the web console. For example, alerts can be triggered by a warm start, a cold start, or a password change.

Ethernet Interface

10/100BaseT(X) Ports 
(RJ45 connector)
Magnetic Isolation Protection1.5 kV (built-in)
StandardsPoE (IEEE 802.3af)

Ethernet Software Features

Configuration OptionsWindows Utility, Serial Console, Telnet Console, Web Console
SNMPv1/v2c, TCP/IP, Telnet, UDP
FilterIGMP v1/v2
Windows Real COM DriversWindows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7/8/8.1/10
(x86/x64), Windows 2008 R2/2012/2012 R2 (x64), Windows Embedded CE
5.0/6.0, Windows XP Embedded
Linux Real TTY DriversKernel versions: 2.4.x, 2.6.x, 3.x, 4.x, and 5.x
Fixed TTY DriversSCO UNIX, SCO OpenServer, UnixWare 7, QNX 4.25, QNX 6, Solaris 10,
FreeBSD, AIX 5.x, HP-UX 11i, Mac OS X
Android APIAndroid 3.1.x and later
MIBRFC1213, RFC1317

Serial Interface

ConnectorDB9 male
No. of Ports1
Serial StandardsRS-232, RS-422, RS-485
Operation ModesDisabled, Ethernet Modem, Pair Connection, Real COM, Reverse Telnet,
RFC2217, TCP Client, TCP Server, UDP
BaudrateSupports standard baudrates (unit=bps): 50, 75, 110, 134, 150, 300, 600,
1200, 1800, 2400, 4800, 7200, 9600, 19200, 38400, 57600, 115200, 230.4k,
460.8k, 921.6k
Data Bits5, 6, 7, 8
Stop Bits1, 1.5, 2
ParityNone, Even, Odd, Space, Mark
Pull High/Low Resistor for RS-4851 kilo-ohm, 150 kilo-ohms
RS-485 Data Direction ControlADDC® (automatic data direction control)

Serial Signals

RS-422Tx+, Tx-, Rx+, Rx-, GND
RS-485-4wTx+, Tx-, Rx+, Rx-, GND
RS-485-2wData+, Data-, GND

Power Parameters

Input CurrentDC Jack I/P: 125 mA @ 12 VDC
PoE I/P: 180 mA @ 48 VDC
Input Voltage12 to 48 VDC (supplied by power adapter), 48 VDC (supplied by PoE)
No. of Power Inputs1
Source of Input PowerPower input jack


Automatic Reboot TriggerBuilt-in WDT

Physical Characteristics

Dimensions (with ears)100 x 111 x 26 mm (3.94 x 4.37 x 1.02 in)
Dimensions (without ears)77 x 111 x 26 mm (3.03 x 4.37 x 1.02 in)
Weight300 g (0.66 lb)

Environmental Limits

Operating TemperatureNPort P5150A: 0 to 60°C (32 to 140°F)
NPort P5150A-T: -40 to 75°C (-40 to 167°F)
Storage Temperature (package
-40 to 75°C (-40 to 167°F)
Ambient Relative Humidity5 to 95% (non-condensing)

Standards and Certifications

EMCEN 55032/24
EMICISPR 32, FCC Part 15B Class A
EMSIEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV
IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m
IEC 61000-4-4 EFT: Power: 2 kV; Signal: 1 kV
IEC 61000-4-5 Surge: Power: 2 kV; Signal: 1 kV
IEC 61000-4-6 CS: 150 kHz to 80 MHz: 3 V/m; Signal: 3 V/m
IEC 61000-4-8 PFMF
IEC 61000-4-11 DIPs
SafetyUL 60950-1


Time2,231,530 hrs
StandardsTelcordia (Bellcore) Standard TR/SR


Warranty Period5 years
Name Type Version Release Date
Datasheet for NPort P5150A Series Datasheet V1.3 26 November 2019

NPort P5150A

Operating Temp. 0 to 60°C
Baudrate 50 bps to 921.6 kbps
Serial Standards RS-232/422/485
No. of Serial Ports 1
Input Voltage 12-48 VDC by power adapter or 48 VDC by PoE

NPort P5150A-T

Operating Temp. -40 to 75°C
Baudrate 50 bps to 921.6 kbps
Serial Standards RS-232/422/485
No. of Serial Ports 1
Input Voltage 12-48 VDC by power adapter or 48 VDC by PoE

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