Moxa Technologies AWK-3121B Series Manuale utente

AWK-3121B Series

QuickInstallation Guide

Version 1.4,SEP 2022

Technical Support Contact Information

www.moxa.com/support

-2 -

Overview

The AWK-3121B wireless AP/client is the ideal rugged wireless solution

for railway onboard/wayside and train-to-ground applications such as

CCTV and CBTC communications. It can provide speeds of up to 300

Mbps with IEEE 802.11n technology. The AWK-3121B's can operate at

temperatures ranging from

-40 to 75°C and meet the requirements of

the EN 50155/50121 regulations.

Package Checklist

The

AWK-3121B

is shipped with the following items:

•1 AWK-3121B

•

Quick installation guide

(printed)

•

Product warranty statement

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

service representative for assistance.

Installation and Configuration

Before installing the AWK-3121B, make sure that all items in the

package checklist are included in the box. In addition, you will need

access to a notebook computer or PC equipped with an Ethernet port.

The AWK-3121B 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-3121B can be powered by a DC power input.

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

Since the AWK-3121 is provided with the MDI/MDI-X auto-sensing

capability of Ethernet connection,you can use either a straight-through

cable or crossover cable to connect it to a computer. When the

connection between the AWK-3121B and the computer is established,

the LED indicator on the AWK-3121B's LAN port lights up.

-3 -

Step 3: Set up the computer’s IP address

Set anIPaddress for thecomputer sothat it ison thesame subnet as

that of the AWK-3121B.Since the AWK-3121B’s default IP address is

192.168.127.253, and the subnet mask is 255.255.255.0, set the IP

address of the computer in the 192.168.127.xxx IP range and subnet

mask to 255.255.255.0.

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

AWK-3121B

Open your computer’s web browser and type

http://192.168.127.253 in the address field toaccess the homepage

of the web-based manager.Enter the Username and Password to

open the AWK-3121B homepage. If you are configuring the AWK-3121

Bfor the first time, enter the following default Username and Password

and click on the Login button:

Username: admin

Password: moxa

ATTENTION

For security reasons, we strongly recommend changing the

password after first access. To change the password, select

Maintenance Password and follow the on-screen

instructions.

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

By default, the operation mode of the AWK-3121B is set to AP. You

can change this setting to Client mode on the Wireless Settings 

Basic Wireless Settings page.

NOTE You must either click the Save Configuration or the Restart

button for the configuration changes to be effective.

-4 -

Panel Layout of the AWK-3121B

1. 1A N-type antenna port

2. 1B N-type antenna port

3. Model name

4. LEDs

5. 4-pin male M12 A-coded

connector for PWR-1

and

PWR-2

6. 10/100/1000BaseT(X) 8-pin

M12 X-coded

female

connector

for LAN1

7. Grounding screw

8. RJ45 RS-232 console

Reset button

Wall Mounting (optional)

In most applications, wall mounting the AWK-3121Bis the most

commonly used method, which makes installation easier as illustrated

below:

STEP 1:

Attach the wall-mounting plates with the M4 screws in the

accessory package.

-5-

STEP 2:

Mounting the AWK-3121B to a wall requires 4 screws. Use

the AWK-3121B device, with wall-mounting plates

attached, as a guide to mark the correct locations of

the 4 screws. The heads of the screws should be 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 drive 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 driving the screws into the wall.

STEP 3:

Once the screws are

driven

into thewall, insert the

four screw heads

through the large opening ofthe

keyhole-shaped apertures in the wall-

mount

plates,and then slide the

AWK-3121B

downwards, as indicated

the right. Tighten the four screws

for added stability.

DIN-Rail

Mounting (Optional)

The

DIN-rail mounting method is used in industrial or railway

application. You will require a DIN-rail attachment plate, which is an

optional accessory, to mount the AWK-3121B to a DIN rail. When

you attach the

DIN-rail attachment plate to the AWK-3121B, make

sure that the stiff metal spring is

situated towards the top as shown

in the following instructions:

STEP 1:

Attached

the

DIN-rail

mounting

plates

the

AWK-3121 B

with

the

M4 screws

the

accessory

package.

M4 screws specification for Wall Mounting Kit:

-6-

WARNING

•This equipment is intended to be used in a Restricted

Access Location, such as a dedicated computer room where

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.

•Access to the equipment should be controlled through the

use of a lock and key or a security identification

system,

controlled by the authority responsible for the location.

Only authorized, well-trained professionals should be

allowed to access the restricted access location.

•Service persons or users must pay special attention and

take special precautions before handling this equipment.

External Metal Parts are Hot!

• Use adequate protection before handling this device.

STEP 2:

Insert the top of the DIN rail into

the slot just below the stiff metal

spring.

STEP 3:

The DIN-rail attachment unit will

snap into place as shown in the

figure below:

To remove the AWK-3121B from the DIN rail, simply reverse Steps 2

and 3.

M4 screws specification for DIN-Rail Mounting Kit:

-7-

ATTENTION

The equipment is intended to be supplied by external power

source (UL listed / IEC 60950-1 / IEC 62368-1) which output is

complied with ES1 (SELV for IEC 60950-1), PS2/LPS, output

rating 24 Vdc, min. 0.789 A, ambient temperature 75 °C

minimum.

ATTENTION

Make sure the external power adapter (includes power cords

and plug assemblies) provided with the unit is certified and

suitable for use in your country.

•Youcan 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 for easy identification.

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.

Wiring

Requirements

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.

WARNING

Safety

First!

Calculate

the

maximum

possible

current

each

power

wire

and common

wire.

Observe

all

electrical

codes

that

dictate

the maximum

current

allowed

for

each

wire

size.

the

current

goes

above

the

maximum

ratings,

the

wiring

could overheat, causing serious damage to your equipment.

WARNING

Safety First!

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

wiring your AWK-3121B.

-8-

ATTENTION

Before connecting the AWK-3121B to the DC power inputs,

make

sure

the

DC power source voltage is stable.

Communication Connections

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

The AWK-3121B has a 10/100/1000BaseT(X) Ethernet port (LAN1 8-

pin shielded

M12

X-coded

connector).

The

10/100/1000TX

port

located

the

front

panel

used

connect

Ethernet-enabled

devices.

Most

users

configure

this

port

for

Auto

MDI/MDI-X

mode,

which

case

the

port’s

pinouts

are

adjusted

automatically

depending

the

type

Ethernet

cable

used

(straight-through

cross-over), and

the

type

device

(NIC-type

HUB/Switch-type)

connected

the

port.

Pinouts

for

the

10/100/1000BaseT(X)

(M12

8-pin female

X-

coded)

port

No.

GbE Conn.

FE Conn.

DA+

TD+

DA-

TD-

DB+

RD+

DB-

RD-

5DD+ –

6DD- –

7DC-

–

8DC+

–

Grounding the Moxa AWK-3121B

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.

Connecting the Power Supplies

The AWK-3121B supports two types of power supplies—PWR1 and

PWR2. The 4-pin male M12 A-coded connector on the AWK-3121B front

panel is used for the dual power inputs. You can use the metal M12

male 4-pin A-coded screw-type crimp circular connector with pins for

power connection included with the product or purchase the

M12 power cable (optional) CBL-M12(FF4P)/Open-BK-100-IP68 for lab

use/tests.

Pinouts for the power input (4-pin male M12 A-coded) port:

Pin No. Power

Input

1 V1+

2 V2+

3 V1-

4 V2-

ATTENTION

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

mounting surface, such as a metal panel.

-9-

LED

Indicators

The

front

panel

theAWK-3121B

contains

several

LED

indicators.

The function of each LED is described in the table below:

RS-232 Console Connection

The AWK-3121B has one RS-232 (8-pin RJ45) console port on the front

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

AWK-3121B console port to your PC’s COM port. You may then use a

console terminal program to access the AWK-3121B for console

configuration.

Console Pinouts for 10-pin or 8-pin RJ45

10-Pin Description 8-Pin

-10 -

Specifications

WLAN Interface

Standards IEEE 802.11b/g for Wireless LAN

IEEE 802.11i for Wireless Security

IEEE 802.3 for 10BaseT

IEEE 802.3u for 100BaseT(X)

IEEE 802.3ab for 1000BaseT

Spread Spectrum and

Modulation (typical)

•DSSS with DBPSK, DQPSK, CCK

•OFDM with BPSK, QPSK, 16QAM, 64QAM

•802.11b: CCK @ 11/5.5 Mbps, DQPSK @ 2

Mbps, DBPSK @ 1 Mbps

•802.11g: 64QAM @ 54/48 Mbps, 16QAM @

36/24 Mbps, QPSK @ 18/12 Mbps, BPSK @

9/6 Mbps

Operating Channels

(central frequency)

•US:

2.412 to 2.462 GHz (11 channels)

• EU:

2.412 to 2.472 GHz (13 channels)

•JP:

2.412 to 2.484 GHz (14 channels, DSSS)

Security • SSID broadcast enable/disable

•Firewall for MAC/IP/Protocol/Port-based

filtering

•64-bit and 128-bit WEP encryption, WPA/

WPA2 Personal and Enterprise (IEEE

802.1X/RADIUS, TKIP and AES)

Transmission Rates • 802.11b: 1, 2, 5.5, 11 Mbps

•802.11g: 6, 9, 12, 18, 24, 36, 48, 54

Mbps

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