Serial Cable Assemblies and Pinouts
9
Hardware Installation Guide
A-9
Hardware User’s Guide
1. Any pin not referenced is not connected.
J1-28
J1-27
RxD/TxD+
RxD/TxD–
Twisted pair no. 11
<—
<—
J2-6
J2-24
RD+
RD–
J1-9
J1-10
RTS/CTS+
RTS/CTS–
Twisted pair no. 5
—>
—>
J2-7
J2-25
RS+
RS–
J1-26
J1-25
RxC/TxCE+
RxC/TxCE–
Twisted pair no. 10
<—
<—
J2-8
J2-26
RT+
RT–
J1-1
J1-2
CTS/RTS+
CTS/RTS–
Twisted pair no. 1
<—
<—
J2-9
J2-27
CS+
CS–
J1-44
J1-45
LL/DCD
Circuit_GND
Twisted pair no. 12
—>
_
J2-10
J2-37
LL
SC
J1-3
J1-4
DSR/DTR+
DSR/DTR–
Twisted pair no. 2
<—
<—
J2-11
J2-29
DM+
DM–
J1-7
J1-8
DTR/DSR+
DTR/DSR–
Twisted pair no. 4
—>
—>
J2-12
J2-30
TR+
TR–
J1-5
J1-6
DCD/DCD+
DCD/DCD–
Twisted pair no. 3
<—
<—
J2-13
J2-31
RR+
RR–
J1-13
J1-14
TxCE/TxC+
TxCE/TxC–
Twisted pair no. 7
—>
—>
J2-17
J2-35
TT+
TT–
J1-15
J1-16
Circuit_GND
Circuit_GND
Twisted pair no. 9
–
–
J2-19
J2-20
SG
RC
Table A-5. RS-449 DTE Cable Pinout (DB-60 to DB-37) (Continued)
60
Pin
1
Signal
Note
Direction
37 Pin
Signal