Diamond Systems Athena III Benutzerhandbuch - Seite 11

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SBC I/O SECTION – TOP SIDE

These SBC I/O connectors are on the top side of the panel I/O board. They face out through the enclosure front

panel.

6.1 Input Power

The input power connector is dual-footprint of two connectors. Connector 1 is a 1x4 Phoenix-type header – screw

plug style connector. The input power may be supplied either by +5VDC and/or +12V / +Vin. The +5V is intended

to be connected via jumper or switched to the Athena III SBC power connector via an external power switch. If

there is +12V available with the +5V then there is an option to jumper the +12V to the +12V bus on the Athena III

SBC power connector. Connector 2 is a screw-type circular connector that is optional for customers that want a

more secure connection than what Connector 1 has.

The +12V / +Vin is also intended to be connected via jumper or switched via an external power switch to an

auxiliary connector on the back side of the board, which then is used to connect to a DC/DC power supply. The

output of the DC/DC power supply is then fed either to the PC/104 bus power pins (if the power supply is on the

PC/104 bus) or back to the panel I/O board and then to the Athena III SBC through the +5V pins on the SBC's

mating power input connector.

+12V / Var

GND

+5V

6.2 Ethernet

The Ethernet connector is a vertical metal-shielded RJ-45 jack with industry standard pinout for 10/100/1000Mbps

Ethernet. The signals come from the SBC mating Ethernet connector.

Proper isolation must be maintained on all Ethernet signal routing to meet industry standard signal isolation

specifications. No ground or power plane should be above or underneath these signals.

6.3 VGA

The VGA connector is standard vertical DD15 female connector with industry standard VGA pinout. It has 4-40

thread inserts and hex screwlocks. The signals come from the Athena III SBC mating VGA connector.

6.4 USB

The USB connectors are four vertical metal shrouded type A connectors with industry standard pinout for USB.

The signals come from the two Athena III SBC mating USB connectors.

6.5 PS/2 Keyboard and Mouse

The PS/2 connectors are two vertical Mini-DIN-6 connectors with industry standard pinout for PS/2 keyboard and

mouse. The signals come from the Athena III SBC mating PS/2 connector.

6.6 Data Acquisition

The data acquisition connector is a vertical 50-pin connector with long ejector/latches for a mating ribbon cable

connector with strain relief. The signals come from the Athena III SBC mating data acquisition connector and

have a 1 to 1 correspondence with that connector pinout.

Athena III Panel I/O Board User Manual Rev A

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