Moxa Technologies NPort P5250A Quick Installation Manual

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P/N: 1802051501010

NPort P5250A Series Quick

Installation Guide

First Edition, August 2011

Overview

NPort P5250A series device servers are compact, palm-sized data
communication devices that allow you to control RS-232/422/485
serial devices o ver a TCP/IP-ba sed Ethernet.

Note: “-T ” indicates an extended temperature model.

Package Checklist

Before installing the NPort P525 0A series device server, verify that
the package contains the following items:

• 1 NPort P525 0A serial devic e server

• 4 stick-on pads

• Document & Software CD

• Quick Installat ion Guide

• Product Warranty Statement

Optional Accessory

• DK-35A: DIN-Ra il Mounting Kit ( 35 mm)

Notify your sales representative if any of the above items are
missing or damaged.

Hardware Introduction

As shown in the following figures, NPort P5250A series device
servers have one male DB9 port for transmitting RS-232/422/485
serial data.

Reset Button—Press and hold the Reset button for 5 seconds to
load factory defaults: Use a pointed object, such as a straightened

paper clip or toothpick, to depress the reset button. This will cause
the Ready LED to blink on and off. Once the Ready LED stops
blinking (after about 5 seconds), release the reset button and the
device server will start to load the factory defaults.

WARNING

1. T

he equipment is designed for in-buildin g

installation only and is not intended to be connected
to exposed (outside plant) networks.

2. This equipment is inte nded to be used in a
Restricted Access Location.

3. This product is intended to be supplied by an
UL60950

-1 and IEC60950-1 certified Power Unit

marked “LPS” and rated output rating: 12 to 48 VDC,

0.18 A minimum, 75°C.

LED Indicators—NPort P5250A’s top panel has three LED

indicators, whic h are describe d in the followin g table.

LED
Name

LED
Color

LED Function

Ready

Red

Steady on: Power is on and the NPort is booting

up.

Blinking:

Indicates an IP conflict, or DHCP or

BOOTP server is not responding

properly.

Green

Steady on:

Power is on and the NPort is
functioning normally.

Blinking: The NPort has been located by the

NPort Administrator’s Location

function.

Off

Power is off, or a power error..

Link

Orange

10 Mbps Ethernet connection.

Green

100 Mbps Ethernet con nection.

Off

Ethernet cable is disconnected.

Tx/Rx

Orange

Serial port is re ceiving data.

Green

Serial port is transmitting data.

Off

No data is being transmitted or received through

the serial port.

Adjustable pull high/low resi stor and termina tor for RS-485

Remove the NPort P5250A’s top cover
and you will find DIP switches to adjust
each serial

port’s pull-high, pull-low,

and terminator.

Do not use the 1 KΩ

setting with RS

-232 mode, as

doing so

will degrade the RS

-232 signals a nd

shorten the communication

s range.

SW

1 2 3

Pull-high resistor

Pull-low resistor

Terminator

ON

1 KΩ

1 KΩ

120Ω

OFF

*150 KΩ

*150 KΩ

*---

*Default

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www.moxa.com/support

The Americas:

[phone] (toll-free: 1-888-669-2872)

Europe:

[phone]

Asia-Pacific:

[phone]

China:

[phone] (toll-free: 800-820-5036)

 2011 Moxa Inc. All r ights reserved.

Hardware Installation Information

STEP 1: After removing the NPort P525 0A series device server

from the box, if you are not using a PoE switch, the first thing you
should do is connect the power adaptor.

STEP 2: Con nect the NPort P5250A series device server to a
network. Use a standard straight-through Ethernet cable to
connect to a PoE swit ch.

STEP 3: Con nect the NPort P5250A series device server’s serial
port to a serial device.

STEP 4: Placement options .

In addition to placing the NPort P5250A on a desktop or other

horizontal surface, you may also make use of the DIN-Rail or Wall
Mount options, as illustrated below.

Software Installation Information

To install NPort Administration Suite, insert the NPort
Document & Softwa re CD into your computer’s CD-ROM dr ive.
Once the NPort Installation CD window opens, click on the
Software folde r, and then follow the instructions on the screen.

To view detailed information about NPort Administration Suite,
click on the Documents folder, and then select “NPort P5250A
Series User’ s Manual” to open the pdf version of the user’s guide.

Pin Assignments

Ethernet Port Pinouts

Pin Numbe r Ethernet

1

Tx+

2

Tx-

3 Rx+

6

Rx-

NPort P5250A—DB9 male (RS-232/422/485) port pinouts

Pin

Number

RS-232

RS-422/

485 (4W)

RS-485

(2W)

1

DCD

TxD-(A)

---

2

RxD

TxD+(B)

---

3

TxD

RxD+(B)

Data+(B)

4

DTR

RxD-(A)

Data-(A)

5 GND GND GND

6

DSR

---

---

7

RTS

---

---

8 CTS --- ---

9

---

---

---

Specifications

Power Requirements

Power Input

12 to 48 VDC (Supplied by power adapter)
or 48 VDC (Supplied by PoE.)

Power Output

12 VDC, 5W (Supplied from PoE)

Power Consumption

125 mA @ 12V, 40 mA @ 48 VDC (Supplied
by power adapter)
180 mA @ 48V (Sup plied by PoE.)

Operating
Temperature

0 to 60°C (32 t o 140°F), for standard
models

-40 to 75°C (-40 to 167°F), for -T models

Operating Humidity

5 to 95% RH

Dimensions

100 x 111 x 26 mm
(

3.94 x 4.37 x 1.02 in)

with ears

77 x

111 x 26 mm

(3.03 x 4.37 x 1.02 in)



without ears

Serial Line Protection

15 KV ESD for s

erial port

Level 2 Surge, EN61000-4-5

Magneti c Isolation

1.5 KV for Etherne t

Power Line
Protection

Level 2 Burst (EFT), EN61000

-4-4

Level 3 Surge, EN61000-4-5

Regulatory
Approvals

FCC Class A, CE Class A, UL 60950-1, EN
60950-1