User`s manual

DA-681 Series Hardware User’s Manual Introduction
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Features
The DA-681 Basic System has the following features:
y Intel Celeron M 1 GHz processor with 400 MHz FSB
y 1 x 200-pin DDR2 SODIMM socket, supporting DDR2 400 up to 1GB (512 Mb built-in)
y Six 10/100 Mbps Ethernet ports
y 1 CompactFlash socket, 1 IDE and serial ATA-150 connectors for storage expansion
y USB 2.0 ports for high speed peripherals
y 4 isolated RS-232 and 8 isolated RS-485 ports
y Serial port speed from 50 to 921.6 Kbps, supporting nonstandard baudrates
y Specific design for heat dissipation
y Embedded Linux, WinCE 6.0, or WinXPe platform
y 19-inch rackmount model, 1U high
y 100-240 VAC/VDC power input (Dual Power models offer power redundancy function)
y Fan-less design
ATTENTION
Refer to the “Non-standard Baudrates” section for instructions on how to calculate which
baudrates are supported.
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