76
DigiBoard Intelligent Serial Communications Boards
IRQ
COM/Xi, 30
MC/Xi, 25
PC/Xi, PC/16e, 15
Jumpers
MC/Xi+
Synchronous port (RS-
232), 57
MC/Xi+ (RS-232), 57
MC/Xi+ (RS-422/RS-485), 59
Synchronous port
PC/8i+, 61
MC/Xi+, 2, 57
RS-422/485, 59
Memory address
Contention, 67
Sources, 71
Memory map, 68
Memory map utility, 4, 6
Memory size
PC/16e
Local program, 19
PC/Xi
Dual ported, 9, 10
Local program, 9
Memory start address
COM/Xi, 28
MC/Xi, 25
PC/Xi, PC/16e, 10
Memory window
MC/Xi, 21
Modem eliminator
RS-422, 55, 56
Modems, 33, 35
RS-422 asynchronous, 56
Modular plugs, 51
Null modem, 37
RS-422, 55, 56
Octa cable
DB-25, 45
Part numbers, 45
DB-9, 48
Part numbers, 48
PC/Xi+, 1, 61
Pin assignments
DB-25, 44
DB-9, 48
MC/Xi+
Synchronous port (RS-
422/RS-485), 60
PC/Xi+
Synchronous port (DB-
25), 63
Synchronous port (RJ-45),
62
RS-422, 54
Synchronous port (RS-232), 58
Quad cable
DB-25, 45
Part numbers, 45
DB-9, 48
Part numbers, 48
Reference diskette, 25
RJ-11 plugs, 51
RJ-45 connectors, 35, 36, 41, 42
RJ-45 plugs, 51
Switches
PC/16e, 19
PC/Xi, PC/16e, 10
Synchronous Port
PC/Xi+, 1
Synchronous port
MC/Xi+, 2, 57
RS-232, 57
RS-422/485, 59
PC/Xi+, 61
XON/XOFF, 39, 41
