Contents
iii
RS-422 Asynchronous Serial Interface ...............................................................53
Cables ...........................................................................................................53
Grounding.....................................................................................................53
Connectors....................................................................................................54
Interconnecting Devices ...............................................................................55
Synchronous Serial Interface—MC/Xi ...............................................................57
RS-232..........................................................................................................57
RS-422, RS-422/RS-485 ..............................................................................59
Synchronous Serial Interface—PC/Xi.................................................................61
PC/8i+...........................................................................................................61
PC/16i+.........................................................................................................63
Specifications.......................................................................................................64
Power Requirements.....................................................................................64
Board Dimensions ........................................................................................66
Environmental ..............................................................................................66
Appendix—Memory Conflicts ............................................................................67
Contention for Memory Addresses ..............................................................67
PC/Xi and PC/16e Issues..............................................................................69
Conflicts Between 8-Bit and 16-Bit Memory Devices .........................70
MC/Xi Issues ................................................................................................71
COM/Xi Issues .............................................................................................72
Conflicts Between 8-Bit and 16-Bit Memory Devices .........................73
Index ....................................................................................................................74
