Moxa Technologies AWK-3121-M12 User manual

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P/N: 1802031210060

AWK-3121-M12

Quick Installation Guide

Moxa AirWorks

Second Edition, March 2012

- 2 -

Overview

Moxa’s AWK-3121-M12 Access Point/Bridge/AP Client is ideal for

applications that are hard to wire, too expensive to wire, or use mobile

equipment that connects over a TCP/IP network. The AWK-3121-M12 is

rated to operate at temperatures ranging from -25 to 60°C for standard

models and -40 to 75°C for extended temperature models, and is rugged

enough for any harsh industrial environment. Installation is easy, with

either DIN-Rail mounting or distribution boxes. The DIN-Rail mounting

ability, wide operating temperature range, and IP30 housing with LED

indicators make the AWK-3121-M12 a convenient yet reliable solution for

any industrial wireless application.

Package Checklist

Moxa’s AWK-3121-M12 is shipped with the following items. If any of these

items is missing or damaged, please contact your customer service

representative for assistance.

•1 AWK-3121-M12

•1 Quick Installation Guide

•1 Software CD

•1 Moxa Product Warranty Booklet

•1 Cable Holder with a Screw

•2 Protective Caps

Installation and Configuration

Before installing the AWK-3121-M12, 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-3121-M12 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-3121-M12 can be powered by a DC power input or PoE (Power

over Ethernet). The AWK-3121-M12 will use whichever power source you

choose.

Step 2: Connect the AWK-3121-M12 to a notebook or PC

Since the AWK-3121-M12 supports MDI/MDI-X auto-sensing, you can

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

AWK-3121-M12 to a computer. If the LED indicator on the

AWK-3121-M12’s LAN port lights up, it means the connection is

established.

Step 3: Set up the computer’s IP address

Set an IP address on the same subnet as the AWK-3121-M12. Since the

AWK-3121-M12’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.

- 3 -

Step 4: Use the web-based manager to configure

AWK-3121-M12

Open your computer’s web browser and then type

http://192.168.127.253 in the address field to access the homepage

of the web-based management. 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 and then click on the Login

button:

User name: admin

Password: root

ATTENTION

For security reasons, we strongly recommend changing the

password. To do so,

select Maintenance



Password

, and then

follow the on-screen instructions.

Step 5: Select the operation mode for the AWK-3121-M12

By default, the AWK-3121-M12’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, you must click Save Configuration

to save the change or Restart ( Save and Restart button to apply

all changes.

Step 6: Test communications

We will describe two test methods. Use the first method if you are using

only one AWK-3121-M12, and use the second method if you are using two

or more AWK-3121-M12s.

Testing method for one AWK-3121-M12

If you are only using one AWK-3121-M12, you will need a second

notebook computer (B) equipped with a WLAN card. Configure the WLAN

card to connect to the AWK-3121-M12 (the default SSID is MOXA) and

change the IP address of notebook B so that it is on the same subnet as

the first notebook (A), which is connected to the AWK-3121-M12.

After configuring the WLAN card, establish a wireless connection with the

AWK-3121-M12 and open a DOS window on notebook B. At the prompt,

type

ping IP address of notebook A

and then press the Enter key. A “Reply from IP address …” response

means the communication was successful. A “Request timed out.”

response means the communication failed. In this case, recheck the

configuration to make sure the connections are correct.

- 4 -

Testing method for two or more AWK-3121-M12s

If you have two or more AWK-3121-M12s, you will need a second

notebook computer (B) equipped with an Ethernet port. Use the default

settings for the first AWK-3121-M12 connected to notebook A, and

change the second or third AWK-3121-M12 connected to notebook B to

Client mode and then configure the notebooks and AWK-3121-M12s

properly.

After setting up the testing environment, open a DOS window on

notebook B. At the prompt, type

ping IP address of notebook A

and then press Enter key. A “Reply from IP address …” response means

the communication was successful. A “Request timed out.” response

means the communication failed. In this case, recheck the configuration

to make sure the connections are correct.

Panel Layout of the AWK-3121-M12

1. Grounding screw

Terminal block for PWR1, PWR2,

relay, DI1, and DI2

3. Reset button

4. Heat dissipation orifices

5. System LEDs: PWR1, PWR2,

PoE, FAULT, and STATE LEDs

6. LEDs for signal strength

7. WLAN LEDs: CLIENT BRIDGE,

WLAN, and LAN LEDs

8. RS-232 console port

9. 10/100BaseT(X) RJ45 Port

10.

MAIN antenna port

11.

AUX antenna port

12.

Model name

13.

Screw hole for wall mounting kit

14.

DIN-Rail mounting kit

- 5 -

Mounting Dimensions (unit = mm)

DIN-Rail Mounting

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

panel of the AWK-3121-M12 when you take it out of the box. If you need

to reattach the DIN-Rail attachment plate to the AWK-3121-M12, make

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

figures below.

STEP 1:

Insert the top of the DIN

-Rail into

the

slot j

ust

below the stiff metal spring.

STEP 2:

The DIN

-Rail attachment unit will

snap into place as shown below.

To remove the AWK-3121-M12 from the DIN-Rail, simply reverse Steps 1

and 2.

- 6 -

Wall Mounting (optional)

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

AWK-3121-M12 to a wall, as illustrated below.

STEP 1:

Remove the aluminum

DIN

-Rail attachment plate

from the

AWK-3121-M12,

and then attach the wall

mount plates with M3

screws, as shown in the

adjacent diagrams.

STEP 2:

Mounting the

AWK-3121-M12 to a wall requires 4

screws. Use the

AWK-3121-M12 device, 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

ould 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.

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

-3121-M12

downwards, as indicated to

the right. Tighten the four

screws for added stability.

- 7 -

WARNING

•

This equipment is intended to be used in a Restricted

Access

Location, such as a dedicated computer room. Access can

only be gained by SERVICE PERSONS or by USERS who have

been instructed about the fact that the

metal chassis of the

equipment is extremely hot and may cause burns.

•

Service persons or users have to pay special attention and

take special precaution 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 are 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 M

oxa AWK-3121-M12.

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 current goes above the maximum ratings, the wiring could

overheat, causing serious damage to your equipment.

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.

- 8 -

ATTENTION

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

marked

“Class 2” or “LPS” and rated O/P: 12 to 48 VDC

, minimum

6 W (12 V/0.494 A to 48V/0.121 A)

, 25°C.

ATTENTION

Make sure

the external power adapto

r (includes power cords and

plug assemblies) provided with the unit is certified and suitable

for use in your country.

Grounding the Moxa AWK-3121-M12

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.

Wiring the Redundant Power Inputs

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

on the AWK-3121-M12’s top panel are used for the AWK-3121-M12’s two

DC inputs. Top and front views of the terminal block connector is shown

here.

STEP 1: Insert the negative/positive DC wires

into the

V-/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

-3121-M12’s top panel.

- 9 -

ATTENTION

Before connecting the

AWK-3121-M12 to the DC power inputs,

make sure the DC

power source voltage is stable.

Wiring the Relay Contact

The AWK-3121-M12 has one relay output, which consists of the two

contacts of the terminal block on the AWK-3121-M12’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.

Wiring the Digital Inputs

The AWK-3121-M12 has two sets of digital input—DI1 and DI2. Each DI

comprises two contacts of the 10-pin terminal block connector on the

AWK-3121-M12’s top panel. You can refer to the “Wiring the Redundant

Power Inputs” 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.

Cable Holder Installation (Optional)

You can attach the cable holder to the bottom of the AWK-3121-M12. This

helps to keep cabling neat and avoid accidents that result from untidy

cables.

STEP 1: Screw the cable holder onto the bottom

of the

AWK-3121-M12.

STEP 2:

After mounting the AWK-3121-M12 and plugging in the LAN

cable, tighten the cable along the device and wall.

- 10 -

Communication Connections

10/100BaseT(X) Ethernet Port Connection

All AWK-3121-M12s have a 10/100BaseT(X) Ethernet port (4-pin

shielded M12 connector with D coding). The 10/100TX port located on the

AWK-3121-M12 front panel is used to connect to Ethernet-enabled

devices. Most users configure this port for Auto MDI/MDI-X mode, in

which case the port’s pinouts are adjusted automatically depending on

the type of Ethernet cable used (straight-through or cross-over), and the

type of device (NIC-type or HUB/Switch-type) connected to the port.

Pinouts for the 10/100BaseT(X) Port

RS-232 Connection

The AWK-3121-M12 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 Moxa AWK-3121-M12’s console port to your PC’s COM port.

You may then use a console terminal program to access the

AWK-3121-M12 for console configuration.

Console Pinouts for 10

-pin or 8-pin RJ45

10-Pin

Description

8-Pin

-----

DSR

RTS

GND

5 TxD 4

6 RxD 5

7 DCD 6

8 CTS 7

9 DTR 8

10 -----

ATTENTION

For railway rolling stock applications, AWK

-3121 devices must

use a galvanically isolated power supply that is compliant with the

EN 50155 standard.

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