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iv Contents

Titan/cPCI User’s Manual, ver. 0.00

Chapter 4: Appendices (continued)

Appendix D: RS-485/422 Line Interface ...............................................4-9

Electrical Interface Selection ........................................................ 4-9
Full Duplex Mode ....................................................................... 4-10
Half Duplex RS-485 ................................................................... 4-10
Multi-drop Slave Mode............................................................... 4-10
Line Termination ........................................................................ 4-11
RS-485/422 Cable Wiring........................................................... 4-13

List of Tables

Table 1: DB-9 cable connector pinouts ..................................................4-5

Table 2: DB-37 cable connector pinouts ................................................4-6

List of Figures

Figure 1: Titan/cPCI adapters.................................................................1-4

Figure 2: Titan/cPCI – 10 port configuration .........................................1-5

Figure 3: Problem summary sheet..........................................................1-6

Figure 4: RS-485/422 partial schematic ...............................................4-11

Figure 5: RS-485/422 wiring diagram (4 wire)....................................4-13

Figure 6: RS-485/422 wiring diagram (2 wire)....................................4-14