DIGI INTERNATIONAL, INC.
MC/4I+, MC/8I+ (RS-422/485 VERSION)
| 
 Card Type  | 
 Serial  | 
| 
 Processor  | 
 80C186  | 
| 
 Processor Speed  | 
 Unidentified  | 
| 
 Chipset  | 
 Unidentified  | 
| 
 Maximum Onboard Memory  | 
 256KB dual-ported RAM  | 
| 
 I/O Options  | 
 Serial ports (5 for MC/4i+, 9 for MC/8i+)  | 
| 
 Data Bus  | 
 MCA  | 
| 
 Card Size  | 
 Full height, full length  | 
| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 RS-422 or RS-485 asynchronous serial ports via DB-78 connector  | 
 CN1  | 
 Header to H2B  | 
 H2A  | 
| 
 RS-422 or RS-485 synchronous serial port via RJ-45 connector  | 
 CN2  | 
 Header to H2A  | 
 H2B  | 
| 
 Header to H1B  | 
 H1A  | 
 Header to H3B  | 
 H3A  | 
| 
 Header to H1A  | 
 H1B  | 
 Header to H3A  | 
 H3B  | 
| 
 Note:Standard serial ports are provided on an included adapter cable.  | |||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Setting  | 
 Label  | 
 Position  | |
| » | 
 Shared memory window is 32KB  | 
 JP1  | 
 Pins 2 & 3 closed  | 
| 
 Shared memory window is 128KB  | 
 JP1  | 
 Pins 1 & 2 closed  | |
| 
 EPROM SIZE SELECTION  | ||
| 
 Setting  | 
 J5  | 
 J6  | 
| 
 16KB  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 32KB  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 64KB  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  | 
| 
 128KB  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
| 
 SYNCHRONOUS PORT PINS 1 & 2 CONFIGURATION  | ||
| 
 Pin 1  | 
 Pin 2  | 
 J1  | 
| 
 CTS positive  | 
 CTS negative  | 
 Pins 1 & 2 closed  | 
| 
 Receive/transmit clock positive  | 
 Receive/transmit clock negative  | 
 Pins 2 & 3 closed  | 
| 
 SYNCHRONOUS PORT PINS 9 & 10 CONFIGURATION  | ||
| 
 Pin 9  | 
 Pin 10  | 
 J2  | 
| 
 RTS positive  | 
 RTS negative  | 
 Pins 1 & 2 closed  | 
| 
 Transmit/receive clock positive  | 
 Transmit/receive clock negative  | 
 Pins 2 & 3 closed  |