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UC-8481 Hardware User's Manual
Edition 3.0, February 2017
www.moxa.com/product
© 2017 Moxa Inc. All rights reserved.

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Summary of Contents for Moxa Technologies UC-8481

  • Page 1 UC-8481 Hardware User’s Manual Edition 3.0, February 2017 www.moxa.com/product © 2017 Moxa Inc. All rights reserved.
  • Page 2 UC-8481 Hardware User’s Manual The software described in this manual is furnished under a license agreement and may be used only in accordance with the terms of that agreement. Copyright Notice © 2017 Moxa Inc. All rights reserved. Trademarks The MOXA logo is a registered trademark of Moxa Inc.
  • Page 3: Table Of Contents

    Table of Contents Introduction ............................1-1 Overview ............................1-2 Package Checklist ..........................1-2 Product Features ..........................1-2 Product Hardware Specifications ......................1-3 Appearance and Dimensions ......................2-1 Appearance ............................2-2 Dimensions ............................2-3 Hardware Block Diagram ........................2-4 LED Indicators ............................ 2-4 Reset Button ............................
  • Page 4: Introduction

    This manual introduces the hardware of the UC-8481 embedded computers. After a brief introduction of the hardware features, we will focus on installing and configuring the hardware.
  • Page 5: Overview

    Introduction Overview The UC-8481 uses the Intel XScale IXP435 CPU. This powerful computing engine is built around a RISC architecture, and clocks in at 533 MHz. The IXP435 runs cool, and is optimized for communication applications. The built-in 32 MB NOR Flash ROM and 512 MB SDRAM give you enough memory to directly run software applications, and a 512 MB NAND Flash is provided for data storage.
  • Page 6: Product Hardware Specifications

    UC-8481 Series Hardware Introduction Product Hardware Specifications Computer CPU: Intel XScale IXP435, 533 MHz OS: Linux (pre-installed) USB: USB 2.0 hosts x 2 DRAM: 512 MB DDR2 SDRAM onboard Flash: • NOR Flash, 32 MB (max. 32 MB) onboard to store OS •...
  • Page 7 UC-8481 Series Hardware Introduction Band Options: • Five band UMTS(WCDMA/FDD) • 800/850/1900 AWS and 2100 MHz • Quad-band GSM: 850/900/1800/1900 MHz HSDPA/HSUPA Data Rates: DL: 3.6/7.2/14.4 Mbps; UL: 2.0/5.76 Mbps UMTS Data Rates: DL: max 384 kbps; UL: max 384 kbps EDGE Class 12: DL: max 237 kbps;...
  • Page 8 UC-8481 Series Hardware Introduction Environmental Limits Operating Temperature: Standard Models: -25 to 55°C (-13 to 131°F) Wide Temp. Models: -25 to 70°C (-13 to 158°F) Storage Temperature: Standard Models: -25 to 75°C (-13 to 167°F) Wide Temp. Models: -40 to 80°C (-40 to 176°F)
  • Page 9: Appearance And Dimensions

    Appearance and Dimensions The following topics are covered in this chapter:  Appearance  Dimensions  Hardware Block Diagram  LED Indicators  Reset Button  Real Time Clock...
  • Page 10: Appearance

    UC-8481 Series Hardware Appearance and Dimensions Appearance Front View Top View Rear View...
  • Page 11: Dimensions

    UC-8481 Series Hardware Appearance and Dimensions Dimensions Unit = mm (inch)
  • Page 12: Hardware Block Diagram

    Hardware Block Diagram The following block diagram shows the layout of the UC-8481’s internal components. LED Indicators The UC-8481 has 14 LED indicators on the top panel. Refer to the following table for information about each LED. LED Name LED Color...
  • Page 13: Reset Button

    Real Time Clock The UC-8481’s real time clock is powered by a lithium battery. We strongly recommend that you do not replace the lithium battery without help from a qualified Moxa support engineer. If you need to change the battery, contact the Moxa RMA service team.
  • Page 14: Mounting Options

    Mounting Options The following topics are covered in this chapter:  Wall or Cabinet Mounting  DIN Rail Assembly...
  • Page 15: Wall Or Cabinet Mounting

    Wall or Cabinet Mounting The two metal brackets that come standard with the UC-8481 are used to attach the UC-8481 to a wall or the inside of a cabinet. First, use two screws per bracket to attach the brackets to the bottom of the UC-8481 (Fig.
  • Page 16: Hardware Connection Description

    Hardware Connection Description This section describes how to connect the UC-8481 to serial devices for initial testing purposes. The following topics are covered in this chapter:  Wiring Requirements  Connecting the Power  Connecting to the Network  Connecting to the Serial Device ...
  • Page 17: Wiring Requirements

    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 UC-8481. When plugged in, the UC-8481’s internal components generate heat, and the outer casing may feel hot to the touch. You should also observe the following common wiring rules: •...
  • Page 18: Connecting To The Network

    Connecting to the Network Connect one end of the Ethernet cable to one of the UC-8481’s 10/100M Ethernet ports (M12) and the other end of the cable to the Ethernet network. See the following figure for the M12 Ethernet connector pin...
  • Page 19: Connecting To The Console Port

    UC-8481 Series Hardware Hardware Connection Description Connecting to the Console Port The UC-8481’s console port is an RS-232 4-pin header connector. Refer to the following figure for pin assignments on the console port cable. Serial Console Port and Pinouts Serial Console Cable Signal The console port is located just below the CF card socket, on the opposite side of the motherboard.
  • Page 20: Compactflash

    The following description explains the installation process for CompactFlash cards. The CF is located on the motherboard beneath the cover at the back of the UC-8481. Use a screwdriver to remove the cover and access the slot. See the following figure for the locations of the CF socket.
  • Page 21: Sim Card

    SIM Card The UC-8481 comes with 3 SIM card sockets that users can use to install three SIM cards for cellular communications. To insert a SIM card, remove the cover at the front panel and insert the SIM card according to the specific locations.
  • Page 22: Digital Inputs/Outputs

    UC-8481 Series Hardware Hardware Connection Description Digital Inputs/Outputs The UC-8481 has 4 digital outputs and 4 digital inputs. The pinouts for the I/O are shown in the following figures: Digital Input Wiring Dry Contact Wet Contact Note: If are using wet contacts, you must connect “COM” to power.
  • Page 23: Installing The Wireless Modules

    Hardware Connection Description Installing the Wireless Modules The UC-8481 comes with 1 Wi-Fi module and 1 cellular module pre-installed. However, users may add up to 1 Wi-Fi module and 2 cellular modules for further wireless connectivity. To connect further wireless modules you first need to remove the four screws on the top panel, two screws on the front panel, and two screws on the rear panel.
  • Page 24: Installing The Wi-Fi Module

    UC-8481 Series Hardware Hardware Connection Description Installing the Wi-Fi Module The Wi-Fi Module package includes 1 Wi-Fi module, 2 Wi-Fi antenna cables and connectors, 1 thermal pad, 5 black screws and 3 bronze screws. 1. To install the module, first find the locations of the antenna connectors and connect the antenna cables to the module.
  • Page 25 UC-8481 Series Hardware Hardware Connection Description Remove the socket protection cover. 4. Install the module on the socket, and fasten the five black screws on the module. Please note that two of them are threaded differently and need to be fastened on one side of the module (on the aluminum standoffs), and the other three need to be fastened on the other side (on the brass standoffs).
  • Page 26: Installing The Cellular Module

    UC-8481 Series Hardware Hardware Connection Description 7. Pass the antenna mount’s threaded connection ring through the mounting hole; keeping the locking washer against the rear panel face, secure the antenna connector by by tightening the provided nut onto the threaded protection ring.
  • Page 27 UC-8481 Series Hardware Hardware Connection Description 2. You may install the cellular module on either Cellular Socket 2 or Cellular Socket 3. Before installing, you need you fasten the bronze standoff to the appropriate socket location. See the following figure for details on where these spots are located on the various sockets.
  • Page 28: Connecting The Antenna

    8. The cellular antenna may now be connected via the connector on the rear panel of the computer. Connecting the Antenna The UC-8481 comes with its GPS, 3G GSM/HSPA+, and dual 802.11n antenna connectors already mounted by default; three more empty port-holes are provided, to be used when mounting antenna connectors for additional wireless, cellular or GPS modules.
  • Page 29: Regulatory Approval Statements

    Regulatory Approval Statements This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

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