IBM LPCI-COM-4SM, User Manual

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Manual LPCI-COM-8SM 4
Table of Contents
Chapter 1: Introduction ................................................................................................. 5
Features ...................................................................................................................... 5
Applications ............................................................................................................... 5
Functional Description .............................................................................................. 5
RS422 Balanced Mode Operation ............................................................................. 5
RS485 Balanced Mode Operation ............................................................................. 6
COM Port Compatibility ............................................................................................ 6
Communication Mode ............................................................................................... 6
Baud Rate Ranges ..................................................................................................... 6
Auto-RTS Transceiver Control ................................................................................. 7
Figure 1-1: Block Diagram (Only one serial channel shown) .................................. 7
Ordering Guide .......................................................................................................... 8
Model Options ............................................................................................................ 8
Optional Accessories ................................................................................................ 8
Special Order ............................................................................................................. 8
Included with your board .......................................................................................... 8
Chapter 2: Installation ................................................................................................... 9
Configure Card Options via Jumper Selection ....................................................... 9
CD Software Installation ........................................................................................... 9
Chapter 3: Option Selection ....................................................................................... 11
Terminations ............................................................................................................ 11
Figure 3-1: Simplified Termination Schematic....................................................... 11
Data Cable Wiring .................................................................................................... 11
Baud Rate Ranges ................................................................................................... 12
Interrupts .................................................................................................................. 12
Table 3-1: WindowsNT Registry Values ................................................................ 12
Figure 3-2: Option Selection Map.......................................................................... 13
Other jumpers .......................................................................................................... 14
Chapter 4: Address Selection .................................................................................... 15
Chapter 5: Programming ............................................................................................ 16
Address Map ............................................................................................................ 17
Baud Rates ............................................................................................................... 17
Table 5-1: Baud Rate Divisor Values..................................................................... 17
Chapter 6: Connector Pin Assignments .................................................................... 18
Input/Output Connections ...................................................................................... 18
Table 6-1: Connector Pin Assignments ................................................................. 18
Chapter 7: Specifications ........................................................................................... 19
Communications Interface ...................................................................................... 19
Environmental .......................................................................................................... 19
Appendix A: Application Considerations .................................................................. 20
Table A-1: Connections Between Two RS422 Devices......................................... 20
Table A-2: RS422 Specification Summary ............................................................ 21
Figure A-1: Typical RS485 Two-Wire Multidrop Network...................................... 22
Appendix B: HVDCI D-Connector Pinout Reference ................................................ 23
Table B-1: HVDCI D-Connector Pin Assignments................................................. 23
Customer Comments .................................................................................................. 24