Card Type	X.25 serial
Processor	80188
Processor Speed	8MHz
Chipset	Unidentified
Maximum Onboard Memory	512KB RAM
I/O Options	Serial ports (4)
Data Bus	8-bit ISA
Card Size	Full height, three-quarters length

CONNECTIONS
Function	Label
Serial ports via DB-37 connector	CN1
Note:Standard DB-25 serial ports are provided on an included adapter cable.

USER CONFIGURABLE SETTINGS
Setting	Label	Position
Serial port 4 uses external clock source	J6	Pins 1 & 2 closed
Serial port 4 uses internal clock source	J6	Pins 3 & 4 closed
Serial port 3 uses external clock source	J7	Pins 1 & 2 closed
Serial port 3 uses internal clock source	J7	Pins 3 & 4 closed
Serial port 2 uses external clock source	J8	Pins 1 & 2 closed
Serial port 2 uses internal clock source	J8	Pins 3 & 4 closed
Serial port 1 uses external clock source	J9	Pins 1 & 2 closed
Serial port 1 uses internal clock source	J9	Pins 3 & 4 closed

BASE I/O ADDRESS SELECTION
Setting	Board Number	J2/A	J2/B	J2/C
240h	4	Open	Open	Closed
248h	7	Closed	Open	Open
278h	1	Closed	Closed	Closed
300h	5	Closed	Closed	Open
340h	3	Closed	Open	Closed
308h	8	Open	Open	Open
348h	6	Open	Closed	Open
378h	2	Open	Closed	Closed