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 | |