Analogue, Mixed Signal, LSI


Hardcoated mobile workstation with 15"/12" TFT screen

10 September 2002 Analogue, Mixed Signal, LSI

On land, at sea or in the air, the MIL Series is a reliable, rugged device for when one needs computing power in obscure places. Arbor's MIL Series has been carefully designed and constructed to meet an extensive set of electrical and mechanical specifications.

It is comprised of three major components: main console, detachable display unit and detachable keyboard unit. The keyboard serves as front protection when the system is being transported. An additional EMI protection layer ensures system integrity by shielding it from ground loops, common impedance paths, direct magnetic/electric field coupling, electrostatic discharge (ESD), power line conducted emissions or other radiated emissions.

A big advantage of MIL Series main console design is that all the card interfaces and slots are located at the right side. This allows the system to be positioned and operated in both horizontal and vertical position while still providing full access to card interfaces connectors and wiring.

Rugged

The unit with four large durometer rubber corner bumpers, may be safely positioned on any surfaces. The mounting rails, which extends around the system, provides for the attachment of various external devices. Additionally, these rails enable the system to be securely mounted and operated on any kind of working surface such as under the dashboard, in a cabinet, in an equipment rack or on the wall.

The removable power and drive bay assembly consists of an aluminium cover with frame mounted to the lower rear of the main chassis. Removing the assembly gives full access to the system's interior as well as easy access to power supply and drive bays. The assembly provides space for two 31/2" drives external/internal and one slim size CD-ROM drive. Other combinations are available in optional drive bays. In between frame and drive(s), a shock and vibration absorbing rubber media is standard with all the drive bays. The rubber media provides a vibration absorbing mounting environment to improve dynamic operating stability of the drive itself.

Long-life and high-volume cooling fans are located on the top of the drive bays. The cooling fans absorb cool air through an air filter and force air flow across the heat generating area where CPU, memory and add-on cards are situated. The air exits through the ventilation holes on top of the I/O ports.

EMI/RF protection

For high EMI/RFI resistance and low EMI/RFI transmission for EMI shielding requirements, an electrical conductive layer is added (both inside and outside) to the hardcoated aluminium chassis and its parts. This coating provides the chassis with an electrical conductive shield. Its standard resistivity level enables the chassis to provide the necessary EMI attenuation to easily pass FCC and CE requirements.

Detachable display unit

The detachable display unit is an all-aluminium structure located at the front of the main console and attached to the inner walls of the console by means of dual display swing arm assembly. The display unit may be manually positioned and set to rest at any desired viewing position with the main console remaining in either horizontal or a vertical operating position.

The display unit may be detached from the main console, with or without the display swing-arm attachment, simply by removing the thumbscrews, which are located at the ends of the display swing arms. All major system controls and indicators have been positioned on the display unit to facilitate system control when remotely operating display and keyboard.

Low voltage differential signalling (LVDS) has low noise emittance and virtual noise immunity, which make LVDS excellently suited to be used where connection of display and system can be subject to high noise levels. For this reason, all display solutions standard provide for LVDS circuitry resulting in a very stable and clear picture even in harsh environments.

The detachable keyboard unit is an all-aluminium assembly comprising 105 keys with alternated standard keys layout. The keyboard is available with either integrated rugged trackball or touchpad device. A special feature of the keyboard is that it is designed to be attached to the main console to protect the display when transporting the unit.



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