SYNAPSE COMMUNICATIONS
SDLC ADAPTER
Card Type |
Digital I/O card |
I/O Options |
Serial port |
Data Bus |
8-bit ISA |
Card Size |
Half-length |
CONNECTIONS | |
Function |
Label |
RS-232 connector |
CN1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
Factory configured - do not alter |
JP2 |
Pins 1 & 2 closed |
BASE I/O ADDRESS SELECTION | ||||||||
Setting |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
210h |
Off |
On |
On |
On |
On |
Off |
On |
On |
218h |
Off |
On |
On |
On |
On |
Off |
Off |
On |
220h |
Off |
On |
On |
On |
Off |
On |
On |
On |
228h |
Off |
On |
On |
On |
Off |
On |
Off |
On |
230h |
Off |
On |
On |
On |
Off |
Off |
On |
On |
3A8h |
Off |
Off |
Off |
On |
Off |
On |
Off |
On |
3C0h |
Off |
Off |
Off |
Off |
On |
On |
On |
On |
3C8h |
Off |
Off |
Off |
Off |
On |
On |
Off |
On |
3E0h |
Off |
Off |
Off |
Off |
Off |
On |
On |
On |
3E8h |
Off |
Off |
Off |
Off |
Off |
On |
Off |
On |
Note: A total of 255 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/8 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. The switches have the following decimal values: SW1/8=32768, SW1/7=16384, SW1/6=8192, SW1/5=4096, SW1/4=2048, SW1/3=1024, SW1/2=512, SW1/1=256. Turn off the switches and add the values of the switches to obtain the correct memory address. (Off=1, On=0) |
INTERRUPT SELECTION | ||
IRQ |
JP1 | |
2 |
Pins 1 & 2 are closed | |
3 |
Pins 3 & 4 are closed | |
4 |
Pins 5 & 6 are closed | |
5 |
Pins 7 & 8 are closed | |
7 |
Pins 9 & 10 are closed |