16 - 46
(3) Pin Arrangement
Table 16-26 Signal Assignment
Pin No. J402 (RDAD-15P female side) J405 (RDBB-25S female side)
1 SG Unused
2 TXD RS-232C (from host) TXD
3 RXD Unused
4 RTS RTS Communication monitor
5 CTS Unused (RS 232C)
6 TXD + Unused
7 TXD - SG
8 RTS + TXD +
9 RTS - Current loop (from host) TXD -
10 CTS + RTS + Communication monitor
11 CTS - RTS - (current loop)
12 RXD + DTR +
13 RXD - DTR -
14 Unused 14, 15 Unused
15 Unused
(4) Connection Diagram
RSDIST board
Current loop
data monitor output
RS-232C
data monitor output
EMIO100 board
RS-232C/
current loop
selection
J409
TXD
RXD
RTS
CTS
J405
RTS +
RTS -
TXD +
TXD -
TXD
SG
RTS
TXD
150 Ω
150 Ω
150 Ω
RXD
TXD
CTS
RTS
J402
SG
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