Comtrol C53 - Manual (Page 8)

RS-232 Cable Wiring 8
RS-232 Cable Wiring
Type 1: To connect the RS-232 side of a C52 or C53 to a DTE (Data Terminal Equipment or “your PC”) or DCE (Data Communications
Equipment or “remote device”). Check the precise DTE/DCE pinouts. For an example, see the following DTE/DCE pinout
examples.
C52/C53 to DTE Cable
Signal Pin Pin Signal
DCD 1 8 DCD
DTR 2 20 DSR
CTS 3 5 RTS
RxD 5 3 TxD
TxD 6 2 RxD
GND 7 7 GND
RTS 8 4 CTS
DSR 9 6 DTR
RJ45 DB-25
Male
C52/C53 to DTE Cable
Signal Pin Pin Signal
DCD 1 1 DCD
DTR 2 4 DSR
CTS 3 8 RTS
RxD 5 2 TxD
TxD 6 3 RxD
GND 7 5 GND
RTS 8 7 CTS
DSR 9 6 DTR
DB-9
Male RJ45
C52/C53 to DCE Cable
Signal Pin Pin Signal
DCD 1 8 DCD
DTR 2 6 DSR
CTS 3 4 RTS
RxD 5 2 TxD
TxD 6 3 FxD
GND 7 7 GND
RTS 8 5 CTS
DSR 9 20 DTR
RJ45 DB-25
Female