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RS-449 DTE and DCE Serial Cable Pinouts
Table A-15 lists pinouts for:
■
RS-449 DTE synchronous serial cable (Part Number ERM449-CAB)
■
RS-449 DCE synchronous serial cable (Part Number ERF449-CAB
)
Table A-15
RS-449 DTE and DCE Cable Pinouts (DB-37)
37 Pin
1
Signal
DTE DCE
Direction
37 Pin
Signal
DTE DCE
Direction
J2-1
Shield GND
—
J2-9
J2-27
CS+
CS-
→
→
J2-4
J2-22
SD+
SD-
←
←
J2-10
J2-37
LL
SC
→
—
J2-5
J2-23
ST+
ST-
→
→
J2-11
J2-29
DM+
DM-
→
→
J2-6
J2-24
RD+
RD-
→
→
J2-12
J2-30
TR+
TR-
←
←
J2-7
J2-25
RS+
RS-
←
←
J2-13
J2-31
RR+
RR-
→
→
J2-8
J2-26
RT+
RT-
→
→
J2-17
J2-35
TT+
TT-
←
←
J2-19
SG
—
J2-20
RC
—
1
Any pin not referenced is not connected.