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Table A-12.
X.21 DCE Cable Pinouts (DB-60 to DB-15)
60 Pin
Signal
J1-48
GND
J1-47
MODE_2
J1-46
Shield_GND
J1-28
RxD/TxD+
J1-27
RxD/TxD–
J1-1
CTS/RTS+
J1-2
CTS/RTS–
J1-11
TxD/RxD+
J1-12
TxD/RxD–
J1-9
RTS/CTS+
J1-10
RTS/CTS–
J1-24
TxC/RxC+
J1-23
TxC/RxC–
J1-15
Control_GND
Shield
–
Synchronous Serial Cable Assemblies and Pinouts
Description
Direction
Shorting group
–
Single
–
Twisted pair no. 6
<—
<—
Twisted pair no. 1
<—
<—
Twisted pair no. 3
—>
—>
Twisted pair no. 2
—>
—>
Twisted pair no. 4
—>
—>
Twisted pair no. 5
–
–
Cable Specifications
15 Pin
Signal
–
–
J2-1
Shield GND
J2-2
Transmit+
J2-9
Transmit–
J2-3
Control+
J2-10
Control–
J2-4
Receive+
J2-11
Receive–
J2-5
Indication+
J2-12
Indication–
J2-6
Timing+
J2-13
Timing–
J2-8
Control GND
Shield
–
A-19
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