DIGITAL COMMUNICATIONS ASSOCIATES, INC.
IRMA 2-MCA
| 
 Category  | 
 Serial communications adapter  | 
| 
 Chipset Controller  | 
 Unidentified  | 
| 
 I /O Options Supported  | 
 Serial port  | 
| 
 Maximum Onboard Memory  | 
 N/A  | 

| 
 CONNECTIONS  | 
|
| 
 Purpose  | 
 Location  | 
| 
 Serial port - coaxial  | 
 CN1  | 
| 
 INTERRUPT SELECT - JP1  | 
|||||
| 
 IRQ  | 
 Jumper A  | 
 Jumper B  | 
 Jumper C  | 
 Jumper D  | 
|
| 
 »  | 
 IRQ2  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 
  | 
 IRQ3  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 
  | 
 IRQ4  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 
  | 
 IRQ7  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  |