Moxa Technologies AWK-4252A Series User manual

AWK-4252A Series

Quick Installation Guide

Moxa AirWorks

Technical Support Contact Information

www.moxa.com/support

P/N:

*1802032520012*

- 2 -

Overview

The AWK-4252A Series is an industrial-grade AP/bridge/client with IEEE

802.11ac Wave 2 technology. This Series features concurrent dual-band

Wi-Fi data transmissions up to 400 Mbps (2.4 GHz mode) and 867 Mbps

(5 GHz mode) simultaneously, meeting the speed and flexibility

requirements for industrial applications. In addition, the built-in dual

band pass filter and the wide-temperature design ensure the reliability

and continuous operation in harsh environments. The dual redundant

DC power inputs enhance availability while support for PoE power

provides more flexibility and simplifies field-site deployments.

Meanwhile, backwards compatibility with 802.11a/b/g/n makes the

AWK-4252A the ideal solution for constructing a versatile wireless data

transmission system.

Hardware Setup

This section covers the hardware setup for the AWK-4252A.

Package Checklist

Moxa’s AWK-4252A is shipped with the following items. If any of these

items is missing or damaged, please contact your customer service

representative for assistance.

•

1 x AWK-4252A wireless AP/client

•

2 x 2.4/5 GHz antennas: ANT-WDB-ARM-0306

•

Wall-mount kit

•

1 x Field-installable power plug

•

2 x Field-installable RJ45 plugs

•

Quick installation guide (printed)

•

Warranty card

Optional Mounting Accessories (Sold Separately)

•

DIN-rail kit including 8 screws (M3x6)

- 3 -

Panel Layout of the AWK-4252A

Antenna connector 2

Antenna connector 1

System LEDs: PWR, LAN2,

LAN1, 2.4GHz, 5 GHz, SYS

Grounding screw (MS5)

Power connector (5 pin

M12 A-coded male)

Digital IO connector (8 pin

M12 A coded female)

USB Type A connector

Console port (RJ45)

LAN2

10/100/1000BaseT(X)

ports RJ45 port

10.

LAN1

10/100/1000BaseT(X)

ports RJ45 port

11.

Reset button

12.

Waterproof vent

- 4 -

Mounting Dimensions

Wall Mounting

For some applications, it may be more convenient to mount the AWK-

4252A to a wall, as illustrated below.

STEP 1:

Align the wall-mounting

plates to the wall-mounting

screw holes on the rear

panel, then attach the wall-

mounting plates with the

M5 screws, as shown in the

adjacent diagrams.

STEP 2:

Mounting the AWK-4252A to a wall requires 4 screws.

Use the AWK-4252A device with the wall-mounting

plates attached as a guide to mark the correct location

of the 4 screws on the wall. The heads of the screws

should be less than 6.0 mm in diameter, the shafts

should be less than 3.5 mm in diameter, and the screw

length should be at least 15 mm, as shown in the figure

on the right.

- 5 -

NOTE Test the screw head and shank size by inserting the screws into

one of the keyhole shaped apertures of the wall-mounting

plates before they are fixed to the wall.

Do not drive the screws in all the way—leave a space of about 2 mm to

allow room for sliding the wall-mounting panel between the wall and

the screws.

STEP 3:

Once the screws are fixed into the wall, insert the four screw heads

through the large opening of the keyhole-shaped apertures, and then

slide the AWK-4252A downwards, as indicated on the right. Tighten the

four screws for added stability.

DIN-rail Mounting (Optional)

Mount the AWK-4252A onto a corrosion-free mounting rail that adheres

to the EN 60715 standard.

STEP 1:

Insert the upper lip of the DIN-rail

kit into the mounting rail.

STEP 2:

Press the AWK-4252A towards the

mounting rail until it snaps into

place.

- 6 -

WARNING

Safety First!

Be sure to disconnect the power cord before installing and/or

wiring your AWK-4252A.

Calculate the maximum possible current in each power wire

and common wire. Observe all electrical codes that dictate the

maximum current allowed for each wire size. If the current

goes above the maximum ratings, the wiring could overheat,

causing serious damage to your equipment.

WARNING

•

This equipment is intended to be used in a Restricted

Access Location, such as a dedicated computer room where

only authorized service personnel or users can gain access.

Such personnel must be instructed about the fact that the

metal chassis of the equipment is extremely hot and may

cause burns.

•

Service personnel or users have to pay special attention

and take special precautions before handling this

equipment.

•

Only authorized, well-trained professionals should be

allowed to access the restricted access location. Access

should be controlled by the authority responsible for the

location with lock and key or a security identity system.

•

External metal parts are hot!! Pay special attention or

use special protection before handling the equipment.

To remove the AWK-4252A from the DIN rail, do the following:

STEP 1:

Pull down the latch on the DIN-rail kit

with a screwdriver.

STEP 2 & 3:

Slightly pull the AWK-4252A forward

and lift it up to remove it from the

mounting rail.

Wiring Requirements

Read and Follow These Guidelines:

•

Use separate paths to route wiring for power and devices. If power

wiring and device wiring paths must cross, make sure the wires are

perpendicular at the crossing point.

- 7 -

ATTENTION

Make sure the external power adapter (including power cords

and plug assemblies) provided with the unit is certified and

suitable for use in your country or region.

ATTENTION

DO NOT use a PoE Injector. Instead, use an IEEE 802.3at

compliant PSE (Power Sourcing Equipment) for PoE (Power

over Ethernet) devices.

NOTE If the device is powered by PoE, the PSE equipment and cabling

should not be connected to outside facilities.

NOTE The product is intended to be supplied by a UL Listed Power

Unit marked "L.P.S." (or "Limited Power Source") and is rated

1) 12-48 VDC, 2.2-0.5A min. (supplied by power adapter) or 48

VDC, 0.5A min. (supplied by PoE), Tma = 75 degree C. If you

need further assistance with purchasing the power source,

please contact Moxa for further information.

NOTE If using a Class I adapter, the power cord must be connected to

a socket-outlet with an earthing connection.

•

You can use the type of signal transmitted through a wire to

determine which wires should be kept separate. The rule of thumb

is that wiring that shares similar electrical characteristics can be

bundled together.

•

Keep input wiring and output wiring separated.

•

For future reference, you should label the wiring used for all of your

devices.

Grounding the AWK-4252A

Grounding and wire routing help limit the effects of noise due to

electromagnetic interference (EMI). Run the ground connection from

the ground screw to the grounding surface prior to connecting devices.

NOTE Do not run signal or communications wiring and power wiring in

the same wire conduit. To avoid interference, wires with

different signal characteristics should be routed separately.

- 8 -

ATTENTION

This product is intended to be mounted to a well-grounded

mounting surface, such as a metal panel. The potential

difference between any two grounding points must be zero. If

the potential difference is NOT zero, the product could be

permanently damaged.

Power Input

V1+

V2+

V1-

V2-

GND

Installations with Cable Extended Antennas for Outdoor

Applications

If an AWK device or its antenna is installed in an outdoor location,

proper lightning protection is required to prevent direct lightning strikes

to the AWK device. In order to prevent the effects of coupling currents

from nearby lightning strikes, a lightning arrester should be installed as

part of your antenna system. Ground the device, antenna, as well as

the arrester properly to provide maximum outdoor protection for the

device.

Arrester Accessories

•

SA-NMNF-02: Surge arrester, N-type (male) to N-type (female)

•

SA-NFNF-02: Surge arrester, N-type (female) to N-type (female)

Power Input Pin Assignment

The AWK-4252A can be connected to an IEEE 802.3at compliant Power

over Ethernet (PoE) power source. When powered via DC power, the

AWK-4252A comes with a M12 A-coded 5-pin power input connector

located on the bottom panel of the device. The power input connector

contains dual power inputs and a ground pin. Refer to the following

figure and table for the detailed pin assignment.

- 9 -

ATTENTION

If the AWK-4252A is connected to a motor or other similar type

of equipment, be sure to use power isolation protection. Before

connecting the AWK-4252A to the DC power inputs, make sure

the DC power source voltage is stable.

Wiring the Digital Inputs and Relay Contact (Digital

Output)

The AWK-4252A has two sets of digital input—DI1 and DI2. Each DI

comprises of two contacts of the 8-pin M12 connector on the AWK-

4252A’s bottom panel. These two digital inputs can be connected to

digital-output-enabled sensors for on-site status monitoring.

The AWK-4252A also has one relay output, which consists of the two

contacts. These relay contacts are used to detect user-configured

events. The two wires attached to the Relay contacts form an open

circuit when a user-configured event is triggered. If a user-configured

event does not occur, the Relay circuit will be closed.

A field-installable plug, M12A-8PMM-IP68, is recommended for

connecting the AWK-4252A’s DIs and relay.

Signal

Relay

DI1 I1

DI1 COM_1

DI2 I2

DI2 COM_2

Reserved

NOTE Before connecting the AWK-4252A DC power inputs, make sure

the DC power source voltage is stable.

•

The wiring for the input terminal block shall be installed by

a skilled person.

•

Wire type: Cu

•

Only use 16-28 AWG wire size.

•

Use only one conductor in a clamping point between the DC

power source and the power input.

- 10 -

1000BaseT

MDI/MDI-

10/100BaseT

(X)

MDI

10/100BaseT

(X)

MDI-

TRD(0)+

TX+

RX+

TRD(0)–

TX-

RX-

TRD(1)+

RX+

TX+

TRD(2)+

–

TRD(2)-

–

TRD(1)-

RX-

TX-

TRD(3)+

–

TRD(3)-

–

Description

DSR

GND

TXD

RXD

DTR

Communication Connections

10/100/1000BaseT(X) Ethernet Port Connection

The 10/100/1000BaseT(X) ports located on the AWK-4252A’s front

panel are used to connect to Ethernet-enabled devices.

MDI/MDI-X Port Pinouts

RS-232 Connection

The AWK-4252A has one RS-232 (8-pin RJ45) console port located on

the front panel. Use either an RJ45-to-DB9 or RJ45-to-DB25 cable to

connect the AWK-4252A’s console port to your PC’s COM port. You may

then use a console terminal program to access the AWK-4252A for

console configuration.

Waterproofing the RJ45 Plug

Dimensions (unit: mm)

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