Moxa Technologies UC-8540 Series User manual

P/N: 1802085400010

*1802085400010*

UC-8540 Series

Quick Installation Guide

Edition 1.0, October 2018

Technical Support Contact Information

www.moxa.com/support

Moxa Americas:

Toll

-free: 1-888-669-2872

Tel:

1-714-528-6777

Fax:

1-714-528-6778

Moxa China (Shanghai office):

Toll

-free: 800-820-5036

Tel:

+86-21-5258-9955

Fax:

+86-21-5258-5505

Moxa Europe:

Tel:

+49-89-3 70 03 99-0

Fax:

+49-89-3 70 03 99-99

Moxa Asia-Pacific:

Tel:

+886-2-8919-1230

Fax:

+886-2-8919-1231

Moxa India:

Tel:

+91-80-4172-9088

Fax:

+91-80-4132-1045



- 2 -

Overview

The UC-8540 Series computer is a programmable communication-centric

gateway offering a rich variety of communication interfaces, such as

Ethernet, serial, and wireless communication. This EN 50155-compliant

computer is built for rail applications and comes with multiple wireless

interfaces making it an ideal choice for building wireless communication

infrastructure with 802.11a/b/g/n/ac and LTE data transmission.

Model Names and Package Checklist

The UC-8540 Series includes the following models:

Available

Models

Operating

Temperature

Conformal

Coating

Stand-alone

GPS

UC-8540-LX -25 to 55°C

(-13 to 131°F)

– –

UC-8540-T-LX

-40 to 70°C

(-40 to 158°F)

–

UC-8540-T-CT-LX

-40 to 70°C

(-40 to 158°F)



–

Before you install the UC-8540 Series computer, ensure that the package

contains the following items:

•UC-8540 Series computer

•Mounting kits

•CBL-4PINDB9F-100: 4-pin pin header to DB9 female console port

cable, 100 cm

•Quick installation guide (printed)

•Warranty card

Appearance

Front View

- 3 -

Side View

Bottom View

LED Indicators

Refer to the following table for the LED indicator definitions.

LED Name

Status

Function

Green

Power is on

Off

No power input

Green

System is ready

Off

System is booting up, OS boot-up failure, or

other system initialization error

Ethernet

(located next

to the

Ethernet

ports)

Green Steady On: 100 Mbps Ethernet link

Blinking: Data transmission is in progress

Yellow

Steady On: 1000 Mbps Ethernet link

Blinking: Data transmission is in progress

Off

Data transmission speed at 10 Mbps or the data

cable is not connected

Serial

Green

Tx: Data transmission is in progress

Yellow

Rx: Receiving data

Off

No operation on the serial ports

Green

Data is being accessed from either the eMMC or

the mSATA module

Off

No data is being accessed

PGM

Red

Programmable LED for user-defined function

Wireless

Green

The number of glowing LEDs indicate the

wireless signal strength as follows:

3 Green: Excellent

2 Green: Good

1 Green: Poor

Off

No wireless signal

- 4 -

Installing the Computer

Wall or Desk Mounting

Use two screws per side to mount the UC-8540 computer on a wall or

desk.

Wall Mounting

Fasten the screws at back side of UC-8540

Desk Mounting

Fasten the screws at bottom side of UC-8540

Wiring Requirements

Be sure to read and follow these common safety precautions before

proceeding with the installation of any electronic device:

•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 communication wiring together with power

wiring in the

same wire conduit. To avoid interference, wires with

different signal characteristics should be routed separately.

•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 separate.

•It is advisable to label the wiring to all devices in the system.

- 5 -

ATTENTION

Safety First!

Be sure to

disconnect the power cord before installing and/or

wiring your UC

-8540 computer.

Wiring Caution!

Calculate the maximum possible current in each power wire and

common wire. Observe all electrical codes dictating the

maximum current allowable for each wire size. If the current goes

above the maximum ratings, the wiring could overheat, causing

serious damage to your equipment.

Temperature Caution!

Be careful when handling the unit. When the unit is plugged in,

the internal components generate heat, and consequ

ently the

outer casing may feel hot to the touch.

Connecting the Power

Connect the 24 to 110 VDC power line with M12 A-coded connector to the

UC-8540 computer. If the power is supplied properly, the “P” LED will

glow a solid green after a 25 to 30-second delay. The power input location

and pin definition are shown in the following figures:

Grounding the Unit

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 the power.

Please note that this product is intended to be mounted on a

well-grounded mounting surface, such as a metal panel. The grounding

connected is provided and located on the front panel. Connect the

grounding wire to an appropriate grounded metal surface.

Power Input

(24

-110 VDC, M12)

Grounding Connector

- 6 -

Connecting to the Network

The pin assignments for the UC-8540 computer’s Ethernet port are shown

in the following figure. If you are using your own Ethernet cable, make

sure that you match the pin assignment on the connector of the Ethernet

cable to the pin assignment shown below:

Connecting a Serial Device

Use a serial cable to connect your serial device to the computer’s serial

port. Serial ports uses DB9 connector and can be configured for RS-232,

RS-422, or RS-485 communication. The pin location and assignment are

shown in the following diagrams:

RS-232

RS-422

RS-485 (4-wire)

RS-485 (2-wire)

DCD

TxDA(-)

–

RxD

TxDB(+)

–

TxD

RxDB(+)

DataB(+)

DTR

RxDA(-)

DataA(-)

GND

DSR

–

RTS

–

CTS

–

LAN Ports x 2, LEDs x 4

(10/100/1000 Mbps, M12)

Serial Ports

(RS-232/422/485, DB9)

- 7 -

Connecting a USB Device

The UC-8540 computer is provided with a USB 3.0 port on the front panel

for connecting a USB device.

Connecting the Wi-Fi/Cellular Module and Antenna

The UC-8540 computer is provided with two sets of QMA antenna holes

for installing antennas for the Wi-Fi and cellular modules. Unfasten the

two screws on the side panel and lift up the panel to check the location of

the Wi-Fi/cellular module sockets.

Socket Name

Usage

Cellular

Cellular module

Wi-Fi

Wi-Fi module

You will need to install the SIM cards for the cellular modules in the

designated SIM-card slots 1 and 2.

USB

Port x 1

(

USB 3.0, type A)

SIM Slots x 2

(Micro SIM)

- 8 -

To install a wireless (Wi-Fi/cellular) module, do the following:

The thermal pads come attached

to the wireless module. Remove

the plastic protective film on the

thermal pads.

Insert the wireless module in

the designated socket and

tighten the two screws on the

module.

3. Attach the flat end of the antenna

cable to the connector marked

MAIN on the module. Follow the

procedure described above to

attach the AUX antenna cable.

If your UC-

8540 is not standalone

GPS version, you can attach the

GPS antenna cable to the

connector marked GSP on the

module.

Refer to the following figure provided on the front panel to identify the

antenna mounting holes for the wireless modules.

4. Connect the antennas to the connectors on the front panel. Refer to

the following figure for the specific location of each antenna

connector, including a connector for a GPS antenna.

Use the procedure described above to install other Wi-Fi or cellular

modules.

NOTE

The Wi-Fi module installed in the socket requires three antennas.

Make sure all three antennas are installed and secured properly

before you use the module.

Wi-Fi Antenna

QMA Connectors x 3

Cellular Antenna

QMA Connectors x 2

GPS Antenna

TNC Connector

- 9 -

Installing SIM Cards

Cellular module supports 2 Micro SIM cards. To install Micro SIM cards for

the cellular modules, do the following:

1. Open the case of the Micro

SIM card socket.

2. Push down the Micro SIM-card

into the socket by correct

direction. Push

again to remove

inserted SIM-card.

Installing the mSATA Module & Replacing RTC

Battery

The UC-8540 computer is provided with one storage socket for installing

an mSATA module and a replaceable RTC battery. To install the mSATA

module, do the following:

1. Unfasten the case of bottom side to locate mSATA socket.

2. Insert the mSATA module onto the socket and fasten the two screws

on the module to secure the module.

3. RTC battery (BR2032) is located at the side of mSATA socket.

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