Moxa Technologies AWK-3131A-M12-RTG-EU-T User manual

P/N: 1802031312012

*1802031312012*

AWK-3131A-RTG Series

Quick Installation Guide

Industrial IEEE 802.11n wireless AP/client

Version 2.1, January 2021

Technical Support Contact Information

www.moxa.com/support



- 2 -

Overview

The AWK-3131A-RTG Series 3-in-1 industrial AP/client devices are

designed specifically for train-to-ground communication for trains moving

at speeds of up to 120 km/h. The AWK-3131A-RTG is compliant with

mandatory sections of the EN 50155 standard, covering operating

temperature, power input voltage, surge, ESD, and vibration, as well as

conformal coating and power insulation, making the AWK-3131A-RTG

suitable for a variety of industrial applications. Installation is easy, with

DIN-rail mounting that makes it convenient to install the AP inside

distribution boxes, and the wide operating temperature range and IP30

housing with LED indicators, make the AWK-3131A-RTG a convenient yet

reliable solution for any rolling stock application.

Package Checklist

Before installing the AWK-3131A-RTG, verify that the package contains

the following items:

•AWK-3131A-RTG wireless AP/client

•DIN-rail kit

•2 plastic RJ45 protective cap: One for the console port and the other

for use as a backup

•1 plastic protective cap for fiber port (AWK-3131A-SSC-RTG only)

•Cable holder with one screw

•Quick installation guide (printed)

•Warranty card

If any of these items is missing or damaged, please contact your

customer service representative for assistance.

NOTE

Antennas are not included with the product and should be

purchased separately. The AWK is certified

for 2 dBi

omni-directional antennas with QMA to RP-SMA adapters.

Installation and Configuration

Before installing the AWK-3131A-RTG, make sure that all items in the

Package Checklist are in the box. In addition, you will need access to a

notebook computer or PC equipped with an Ethernet port. The

AWK-3131A-RTG has a default IP address that you must use when

connecting to the device for the first time.

Step 1: Select the power source

The AWK-3131A-RTG can be powered by a DC power input or PoE (Power

over Ethernet). The AWK-3131A-RTG will use whichever power source

you choose.

Step 2: Connect the AWK to a notebook or PC

Since the AWK-3131A-RTG supports MDI/MDI-X auto-sensing, you can

use either a straight-through cable or crossover cable to connect the

AWK-3131A-RTG to a computer. If the LED indicator on the

AWK-3131A-RTG’s LAN port lights up, it means a connection has been

established.

- 3 -

Step 3: Set up the computer’s IP address

Update the computer’s IP address so that the computer is on the same

subnet as the AWK-3131A-RTG. Since the AWK-3131A-RTG’s default IP

address is 192.168.127.253, and the subnet mask is 255.255.255.0, you

should set the IP address of the computer to 192.168.127.xxx and subnet

mask to 255.255.255.0.

Step 4: Use the web-based manager to configure the AWK

Open your computer’s web browser and type http://192.168.127.253

in the address field to access the homepage of the web-based manager.

Before the homepage opens, you will need to enter the user name and

password. For first-time configuration, enter the default user name and

password given below and then click on the Login button:

User name: admin

Password: root

ATTENTION

For security reasons, we strongly recommend changing the

default

password. To do so, select Maintenance Password

and then follow the on-screen instructions.

Step 5: Select the AWK’s operation mode

By default, the AWK-3131A-RTG’s operation mode is set to AP. You can

change the setting in Wireless Settings Basic Wireless Settings if

you would like to use the Client mode.

NOTE

To make the change effective, click Save Configuration

Restart; either option saves all changes.

- 4 -

Panel Layout of the AWK-3131A-M12-RTG

1. Grounding screw (M5)

Terminal block for PWR1, PWR2,

relay, DI0, and DI1

3. Reset button

4. System LEDs: PWR1, PWR2,

PoE, FAULT, and STATE LEDs

5. LEDs for signal strength

6. LEDs: CLIENT, WLAN, and LAN

7. RS-232 console port

8. 10/100BaseT(X) M12 port

9. Antenna port A

10.

Antenna port B

11.

Model name

12.

Screw hole for wall-

mounting kit

13.

DIN-rail mounting kit

- 5 -

Panel Layout of the AWK-3131A-SSC-RTG

1. Grounding screw (M5)

Terminal block for PWR1, PWR2,

relay, DI0, and DI1

3. Reset button

4. System LEDs: PWR1, PWR2,

FAULT, and STATE LEDs

5. LEDs for signal strength

6. LEDs: CLIENT, WLAN, and

100M

7. RS-232 console port

8. 100BaseFX fiber port

9. Antenna port A

10.

Antenna port B

11.

Model name

12.

Screw hole for wall mounting kit

13.

DIN-rail mounting kit

- 6 -

Mounting Dimensions (unit = mm)

AWK-3131A-M12-RTG

AWK-3131A-SSC-RTG

DIN-rail Mounting

The aluminum DIN-rail attachment plate should be fixed to the back panel

of the AWK-3131A-RTG when you take it out of the box. If you need to

reattach the DIN-rail attachment plate to the AWK-3131A-RTG, make

sure the stiff metal spring is situated towards the top, as shown in the

figures below:

- 7 -

STEP 1:

Insert the top of

the DIN rail into the

slot just below the stiff metal spring.

STEP 2:

The DIN

-rail attachment unit will

snap into place as shown below.

To remove the AWK-3131A-RTG from the DIN rail, simply reverse the

steps 1 and 2.

Wall Mounting (Optional)

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

AWK-3131A-RTG to a wall, as illustrated below.

STEP 1:

Remove the aluminum

DIN

-rail attachment plate

from the AWK

-3131A-RTG,

and then attach the wall

mount plates with

screws, as shown in the

diagrams.

STEP 2:

Mounting the AWK

-3131A-RTG to a wall requires 4

screws. Use the AWK

-3131A-

RTG with wall mount plates

attached as a guide to mark the correct locations of the 4

screws. The heads of the screws should be less than 6.0

mm in diameter, and the

shafts should be less than 3.5

mm in diameter, as shown in the figure at the right.

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

allow room for sliding the wall mount panel between the wall and the

screws.

NOTE

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

one of the keyhole shaped apertures of the Wall Mounting Plates

before it is screwed into the wall.

- 8 -

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

-3131A-RTG downwards,

as indicated to the right. Tighten

the four screws for added

stability.

WARNING

•

This equipment is intended to be used in a Restricted Access

Location, such as a dedicated computer room, with access

restricted to SERVICE PERSONNEL

or USERS who have been

instructed about the fact that the metal chassis of the

equipment is extremely hot and may cause burns.

•

Service personnel or users need

to pay special attention and

take special precautions before handling the equipment.

•

Access is to be controlled through the use of a lock and key or

a security identity system, controlled by the authority

responsible for the location. Only authorized, well-trained

professionals should be allowed to access the restricted

access location.

•

External metal parts are hot!! Pay special attention or use

special protection before handling.

Wiring Requirements

WARNING

Safety First!

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

wiring your Moxa AWK-3131A-RTG.

WARNING

Safety First!

Calculate the maximum possible current in each power wire and

common wire. Observe all electrical codes

dictating the

maximum current allowed for each wire size.

If the curren

t goes

above the maximum rating

, the wiring could overheat, causing

serious damage to your equipment.

- 9 -

You should also pay attention to the following items:

•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 intersection point.

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.

•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 with similar electrical characteristics can be bundled

together.

•Keep input wiring and output wiring separate.

•It is strongly advised that you label wiring to all devices in the system

when necessary.

ATTENTION

This product is intended to be supplied by a Listed Power Unit

marked

“Class 2” or “LPS” and rated O/P:

•

AWK-3131A-M12-RTG:

Maximum 10.5 W (12 V/0.85 A to 48 V/0.22 A), 25°C.

•

AWK-3131A-SSC-RTG:

Maximum 13 W (12 V/1.0 A to 48 V/0.27 A), 25°C.

ATTENTION

Make sure

the external power adapte

r (includes power cords and

plug assemblies) provided with the unit is certified and suitable

for use in your country.

Grounding the Moxa AWK-3131A-RTG

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.

ATTENTION

This product is intended to be

mounted to a well-grounded

mounting surface, such as a metal panel.

Installations with Unstable Power Inputs

There are cases where the device has to be wired to the same power

source as other equipment. In such cases if equipment such as motors

that are connected in the circuit draw a large amount of current during

operation, the transient voltage drop could potentially cause the AWK to

become unstable.

- 10 -

Installing a DC/DC power isolator, in between the two equipment, is

recommended to isolate the transient effect and to ensure a stable power

input for the AWK.

Wiring the Redundant Power Inputs

The top two pairs of contacts of the 10-contact terminal block connector

on the AWK-3131A-RTG’s top panel are used for the AWK-3131A-RTG’s

two DC inputs. Top and front views of the terminal block connector are

shown here.

STEP 1:

Insert the negative/positive DC wires into the

-/V+ terminals.

STEP 2:

To keep the DC wires from pulling

loose, use a

small flat

-blade screwdriver to tighten the

wire

-clamp screws on the front of the terminal

block connector.

STEP 3:

Insert the plastic terminal block connector prongs

into the terminal block receptor, which is

located

on the AWK-3131A-RTG’s top panel.

ATTENTION

Before connecting th

e AWK-3131A-RTG

to the DC power inputs,

make sure the DC power source voltage is stable.

Wiring the Relay Contact

The AWK-3131A-RTG has one relay output, which consists of the two

contacts of the terminal block on the AWK-3131A-RTG’s top panel. Refer

to the previous section for detailed instructions on how to connect the

wires to the terminal block connector, and how to attach the terminal

block connector to the terminal block receptor. These relay contacts are

used to indicate 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.

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