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  | |