Compaq MPAC-18 manual Power Input, USB Ports

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BJ79 jacks. The I/O plate also includes a DB9 female jack for the keyboard and mouse connections. Two male DB9 jacks are present for serial communications these are COM 2 as an RS232 interface and COM 3, which is configurable as either RS232 or RS485 by the BIOS settings. An industry standard DB25 parallel port is also provided.

Communication connectors are provided from the main CPU motherboard. Some of the CPU motherboard connectors are available on the Bottom Panel.

Keyboard/mouse port (bottom access)

Two serial ports, COM2 and COM3 (bottom access).

Parallel port, LPT-1 (bottom access).

Two USB ports (bottom access).

Ethernet 10 Base 2 (bottom access)

Power Input

DP027010 military computers are powered by an internal, auto-ranging AC power supply unit that accepts 85 to 135 VAC input ranges.

The power supply unit houses an integral ventilation fan that provides cooling for the power supply. There are no user-serviceable fuses.

Warning

For all equipment that is connected to a power outlet, the socket outlet shall be installed near the equipment and shall be easily accessible.

Caution

External devices (printer, external disk drive etc.) should not be powered up when connecting to ports.

USB Ports

Two USB ports are located on the bottom access panel of the unit. The SBC-PIII provides an interface for two USB 1.0 Ports for Serial Transfers at 1.5 or 12 Mbit/sec. The USB interface supports Legacy Keyboard and Mouse Software with USB-Based Keyboard and Mouse connections. The USB interface Complies with UHCI Design Guide, Revision 1.1 interface. The connector is a 5 x 2 straight 0.1” center header. A Dual rear bracket connector compatible with the USB Host Cable is available from Computer Dynamics.

Keyboard/Mouse Port

A DB9 connector is located on the bottom access panel. This port is labeled accordingly. This temporary connection is intended to be used for such things as initial setup, downloading data, uploading software, etc.

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Copyright March 2003, Computer Dynamics, Inc.

All Rights Reserved

MPAC-18 Manual

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Contents MPAC-18 Trademarks Revision History Table of Figures Ethernet Jacks Power Jack USB Jack Unit Specifcations Keyboard JackFeatures IntroductionAs Used in this Publication Feature Summary Standard Features & I/OInstallation Guidelines GeneralClearances System Startup Power-up and Software InstallationInstallation MPAC-18 Manual MPAC-18 Manual MPAC-18 Manual MPAC-18 Manual MPAC-18 Manual MPAC-18 Manual Hardware Installing Application SoftwarePower Supply Section Circuit Breaker and ATX Switch Single Board Computer SBCP3/133TFT Graphic Display System Touch ScreenPower Input USB PortsPrinter Port LPT-1 Installed Network Components Networking CommunicationsBios Settings USBDiagnostics and Troubleshooting Self-Test DiagnosticsMaintenance Troubleshooting Power-upDisplay MemoryExternal PS/2 Mouse KeyboardNetwork Communications PrintingSee the Appendix for I/O panel layout Top Plan View Back Plan View Installation Diagram Specifications Vertical Connectors and Strapping Fields 3 4Appendix I/O Layout and Pinout Configuration O PanelParallel LPT-1 Jack GNDEthernet Jacks Serial Jack, RS232 & RS485 RS232 Jack RS485 JackAdditional Reading Computer Dynamics Incorporated