Connectors and Jumpers:

J2 COM1, RJ-45 J3 COM1, 2x5 header J4 Console/COM2, RJ-12 J5 Console/COM2, 2x5 header J6 Multi-I/O, RJ-45 J7 Power, 1x3 locking header J8 Multi-I/O, 2x5 header J9 RS-485. 1x3 locking header J10 Ethernet1, RJ-45 J11 Ethernet2, RJ-45 J12 Power, round 2mm pin JP1 RS-485 Termination JP2 Socket memory type JP3 Boot memory location JP4 Ethernet port 2, x-over or std pinout

Specifications:

Processor	Intel 386Ex, 25MHz
Operating System	XDOS(MS/PC DOS 3.3 compatible)
Memory	512K SRAM, 512K Flash
Ethernet controllers	(2) 10BASE-T, NE2000 compatible Link status and Activity LEDs address 0x300, IRQ 9 & 0x320, IRQ 5
Serial Port 1	RS-232 with 5 handshake lines COM1, address 0x3F8, IRQ 4 115200 baud maximum
Serial Port 2	RS-232 no handshaking or RS-485 half duplex, COM2, address 0x2F8, IRQ 3 115200 baud maximum
Digital I/O	5 Bits: P1.4-P1.7 & P3.4, Pin configurable as input or output P3.4 configurable as interrupt 8mA source/sink.
Watchdog	Programmable Timeout, Generates Hardware Reset
Sync. Serial	Full duplex Independent Rx and Tx clocks, Master or Slave operating mode
Supply Power	5V DC ±5%, 2 Watts(nominal)
Humidity	5 - 90%, non-condensing
Temperature	-20 to +70 °C
Weight	3.5oz (100 gm)
Dimensions	4.80" x 4.10" x 0.70" (121.9mm x 104.1mm x17.8mm)

DC Characteristics for I/O Ports 1 & 3:

Symbol	Parameter	MIN	MAX	Units	Condition
VIL	Input Low	-0.3	0.8	V
VIH	Input High	2.0	Vcc+0.3	V
VOL	Output Low		0.45	V	IOL= 8mA
VOH	Output High	Vcc-0.5		V	IOH= -8mA

Mating Connectors:

Connector	Mfg	MFG P/N	JK micro P/N
J1,J3,J5,J8 (2x5)	Molex	22-55-2101
	Oupiin	4072-2X05H	28-0030
Pins (for 2x5)	Molex	16-02-0096
	Oupiin	4072-PIN-T	28-0033
J7,J9 (1x3)	Molex	22-01-2031
	Oupiin	4071-3H	28-0012
Pins (for 1x3)	Molex	08-50-0114
	Oupiin	4071-PIN-T	28-0013

Optional Features:

• Additional M-Systems DiskOnChip, 512K Flash, or 512K SRAM
• Multi I/O peripheral boards for expanded I/O
• Plastic enclosure