User`s manual

PComm Programming Library.................................................................................... 4-2
Utilities...................................................................................................................... 4-2
UNIX.................................................................................................................. 4-6
Programming the MOXA Ports................................................................................. 4-6
Extended UNIX Ioctl() Commands........................................................................... 4-6
Utilities....................................................................................................................4-12
DOS ................................................................................................................ 4-15
Installation ..............................................................................................................4-15
DOS API-232 Library..............................................................................................4-15
Utilities....................................................................................................................4-15
RS-485 Programming for Opt8J ...................................................................... 4-18
Connection Option (Opt8x) and Cable Wiring............................ 5-1
RS-232 Cable Wiring for Opt8A/B/C/D/S........................................................... 5-1
RS-422 Cable Wiring for Opt8J/F/Z................................................................... 5-9
RS-485 Cable Wiring for Opt8J ....................................................................... 5-11
RS-422/485 Impedance Matching ................................................................... 5-12
Troubleshooting.......................................................................... 6-1
General Troubleshooting ................................................................................... 6-1
Windows NT...................................................................................................... 6-3
Windows 95/98.................................................................................................. 6-4
UNIX.................................................................................................................. 6-5
DOS .................................................................................................................. 6-7
Technical Reference ..................................................................A-1
Specifications ....................................................................................................A-1
Dual-Ported RAM ..............................................................................................A-2
UART 16550C ...................................................................................................A-2
DB62 Connector Pinouts ................................................................................... A-3