A-10
CRBRIM-W/E
Appendix A: Cabling Specifications
1. Any pin not referenced is not connected.
Table A-6. RS-449 DCE Cable Pinout (DB-60 to DB-37)
60
Pin
1
Signal
Note
Direction
37 Pin
Signal
J1-49
J1-48
MODE_1
GND
Shorting group
–
–
–
J1-46
Shield_GND
Single
–
J2-1
Shield GND
J1-28
J1-27
RxD/TxD+
RxD/TxD–
Twisted pair no. 11
<—
<—
J2-4
J2-22
SD+
SD–
J1-13
J1-14
TxCE/TxC+
TxCE/TxC–
Twisted pair no. 7
—>
—>
J2-5
J2-23
ST+
ST–
J1-11
J1-12
TxD/RxD+
TxD/RxD–
Twisted pair no. 6
—>
—>
J2-6
J2-24
RD+
RD–
J1-1
J1-2
CTS/RTS+
CTS/RTS–
Twisted pair no. 1
<—
<—
J2-7
J2-25
RS+
RS–
J1-24
J1-23
TxC/RxC+
TxC/RxC–
Twisted pair no. 9
—>
—>
J2-8
J2-26
RT+
RT–
J1-9
J1-10
RTS/CTS+
RTS/CTS–
Twisted pair no. 5
—>
—>
J2-9
J2-27
CS+
CS–
J1-29
J1-30
NIL/LL
Circuit_GND
Twisted pair no. 12
—>
–
J2-10
J2-37
LL
SC
J1-7
J1-8
DTR/DSR+
DTR/DSR–
Twisted pair no. 4
—>
—>
J2-11
J2-29
DM+
DM–
J1-3
J1-4
DSR/DTR+
DSR/DTR–
Twisted pair no. 2
<—
<—
J2-12
J2-30
TR+
TR–
J1-5
J1-6
DCD/DCD+
DCD/DCD–
Twisted pair no. 3
—>
—>
J2-13
J2-31
RR+
RR–
J1-26
J1-25
RxC/TxCE+
RxC/TxCE–
Twisted pair no. 10
<—
<—
J2-17
J2-35
TT+
TT–
J1-15
J1-16
Circuit_GND
Circuit_GND
Twisted pair no. 8
_
_
J2-19
J2-20
SG
RC