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A-11
RS-232 DTE and DCE Serial Cable Pinouts
Table A-14 lists pinouts for:
■
RS-232 DTE synchronous serial cable (Part Number ERM232-CAB)
■
RS-232 DCE synchronous serial cable (Part Number ERF232-CAB
)
)
Table A-14
RS-232 DTE and DCE Cable Pinouts (DB-25)
25 Pin
1
Signal
DTE DCE
Direction
25 Pin
Signal
DTE DCE
Direction
J2-1
Shield GND
—
J2-7
Shield
Circuit GND
—
—
—
J2-2 Shield
TxD
—
→
—
J2-8
Shield
DCD
—
←
—
J2-3 Shield
RxD
—
←
—
J2-15
Shield
TxC
—
←
—
J2-4 Shield
RTS
—
→
—
J2-17
Shield
RxC
—
←
—
J2-5 Shield
CTS
—
←
—
J2-18
Shield
LTST
—
→
—
J2-6 Shield
DSR
—
←
—
J2-20
Shield
DTR
—
→
—
J2-24
Shield
TxCE
—
→
—
1
Any pin not referenced is not connected.