7.1 Updating
7-4
7.1.3 Setup
1. Connection
Set up the slide switch of IC-485SN as below when using the level converter
(IC-485SN).
- T-ON/R-ON side
- DCE side (FA-100 is on the DTE side.)
Fig. 7.1.1 Setting IC-485SN
Cable wiring between PC (9P) and IC-458SN (25P) is as below.
DSR, DTR and etc, cannot be used as the control signals. Connect TXD, RXD and
GND lines.
Table 7.1.2 Wiring 9–25 Pin D-Sub Cables
PC
9 Pin D-sub (Female)
IC-458SN
25 Pin D-sub (Male)
2 TXD <--> 3 RXD
4 DSR <--> 20 DTR
3 RXD <--> 2 TXD
5 GND <--> 7 GND
6 DTR <--> 6 DSR
7 CTS <--> 4 RTS
8 RTS <--> 5 CTS
9 RI <--> 22 RI
1 DCD <--> 8 DCD
Frame Shield <--> Frame Shield
DCE
T-ON/R-ON
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