Figure 3. Master Port DCE/DTE Jumpers
Figure 4. PC Board Options for RS-485
If an IBM PC (DTE device) is connected to the 232D4SS8 Master port, the Master port should be configured as a DCE port. If a modem (DCE device) is connected to the Master port, it should be configured as a DTE port. Refer to cable charts in Appendix B.
The Master port is configured as either a DCE port or a DTE
port by moving jumpers JP1: 1 through JP1: 7. JP1 is located inside the Smart Switch. Refer to Figures 2 & 3. To configure the Master port as a DCE port, jumpers JP1: 1 through JP1: 7 must be moved to the DCE position. Refer to Table 2. To configure the Master port as a DTE port, jumpers JP1: 1 through JP1: 7 must be moved to the DTE position. Refer to Table 3.
6 | Documentation Number 232D4SS84502 Manual |
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