Connectors and Jumpers:
Processor Card
J1 
Power
J2 
IO Ports A and B
J3 
Speaker
J4 
Power
J5 
RS-485
J6 
COM1
J7 
IO Port D and E
J9 
Processor Bus
J10
Host Parallel Port (not LPT)
J11
COM2(Console)
J12
Port F / Multi-I/O Bus
J13
Extended Processor Bus
J14
PLC Bus
JP2
Watchdog Enable
JP3
NMI
JP4
*CS5 Pullup
JP5
*PFO routed to PB.3
JP6/12 Boot memory location
JP7
+5V on J14.2 and J14.25
JP8
Battery backup RAM
JP9
Socket Memory Type
JP10/11 External IRQ select
JP13
Unregulated power on J14.4
Ethernet Card
J1 
Processor Bus
J2 
Extended Processor Bus
J3 
Ethernet
J4 
COM3
J5 
COM4
J6 
LPT1 (Parallel Port)
JP1
COM3/4 IRQ select
Specifications
Processor 

Intel 386Ex, 25MHz
Operating System
XDOS(MS/PC DOS 3.3 compatible)
Memory 

512K SRAM, 512K Flash
Ethernet 

10BASE-T, NE2000 compatible




Link status and Activity LEDs
Serial Port 1 
RS-232 with 5 handshake lines




COM1, address 0x3F8, IRQ4
Serial Port 2 
RS-232 no handshaking or




COM2, address 0x2F8, IRQ 3
Serial Port 3 
RS-232 with 5 handshake lines




COM3, address 0x3E8, IRQ 5/6




16 byte transmit and receive FIFOs
Serial Port 4 
RS-232 no handshaking




COM4, address 0x2E8, IRQ 6/5




16 byte transmit and receive FIFOs
Parallel Port 
Bi-directional,




Port A, 8bits, 82C55, port in or out




Port B, 8bits, 82C55, port in or out




Port C, 8bits, 82C55, nibble in or out




Port D, 4bits, PLD, port in or out




Port E, 4bits, PLD, port in or out




Port F, 4bits, 386EX, bit in or out
Expansion Bus
Address and Data lines, Decoded IO




read/write and Memory read/write
Speaker 

PC compatible, with driver(sink)
Clock/Calendar
Y2K Complient,replacable lithium cell
Sync. Serial 
Full duplex




Independent Rx and Tx clocks,




Master or Slave operating mode
Supply Voltage
7-34V DC, 3 Watts typical
Supply Current
430mA with 7V input
Humidity 

5 - 90%, non-condensing
Temperature
-4 to +185 °F (-20 to +85 °C)
Dimensions
4.65" x 4.15" x 2.5"




(118.1mm x 105.4mm x 63.5mm)
DC Characteristics I/O Port A,B,C:
Symbol
Parameter
MIN
MAX
Units
Condition
VOL
Output Low
0.4
V
IOL=2.5mA
VOH
Output High 3.0
V
IOH=-2.5mA
DC Characteristics I/O Port D,E:
Symbol
Parameter
MIN
MAX
Units
Condition
VIH
Input High
2.0 Vcc+0.5 V
VOL
Output Low
0.45
V
IOL=12mA
VOH
Output High 2.4
V
IOH=-4mA
DC Characteristics I/O Port F:
Symbol
Parameter
MIN
MAX
Units
Condition
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
J6,7,11; J4,5 Molex 22-55-2101


Oupiin 4072-2X05H 28-0030
J2,10,14; J6 Molex 22-55-2101


Oupiin 4072-2X13H 28-0031


Oupiin 404-PIN-10K 28-0033
Optional Features:
32 pin DIP socket to accept 512K SRAM, 512K Flash or
M-systems DiskOnChip
Peripheral boards for I/O expansion
Character LCD & Matrix keypad
Flash TCP Technical Information
Offering embedded computer solutions since 1996
12228 E Bennett Rd. Grass Valley, CA 95945
Phone (530) 297-6073
Fax (530) 297-6074
© 2016 JK microsystems, Inc. All rights reserved.