DIGI INTERNATIONAL, INC.
MC/4I+, MC/8I+ (RS-232 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-232 asynchronous serial ports via DB-78 connector |
CN1 |
Header to H2B |
H2A |
RS-232 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 | |
Pin 10 of synchronous port is receive/transmit clock signal A |
J1 |
Pins 1 & 2 closed | |
Pin 10 of synchronous port is DCD signal |
J1 |
Pins 2 & 3 closed | |
Pin 1 of synchronous port is transmit/receive clock signal |
J2 |
Pins 1 & 2 closed | |
Pin 1 of synchronous port is sync B signal |
J2 |
Pins 2 & 3 closed | |
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 PIN 2 CONFIGURATION | ||
Setting |
J3 |
J4 |
DSR signal |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Sync A signal |
Pins 2 & 3 closed |
Pins 2 & 3 closed |