SYNAPSE COMMUNICATIONS SDLC ADAPTER Card Type Digital I/O card I/O Options Serial port Data Bus 8-bit ISA Card Size Half-length [Image] 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