Pinouts of Connectors

Cisco V.35 DCE cable pinout

layout
schematic diagram
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This document explains the V.35 serial cable assembly and pinouts

60 pin Cisco DB connector pin-out & layout
60 pin Cisco DB connector
60 Pin1 Signal Description Direction 34 Pin Signal
J1-49
J1-48		 MODE_1
GND		 Shorting group - - -
J1-50
J1-51		 MODE_0
GND		 Shorting group - - -
J1-53
J1-54
J1-55
J1-56		 TxC/NIL
RxC_TxCE
RxD/TxD
GND		 Shorting group - - -
J1-46 Shield_GND Single - J2-A Frame GND
J1-45
Shield		 Circuit_GND
-		 Twisted pair no. 12 -
-		 J2-B
Shield		 Circuit GND
-
J1-35
Shield		 CTS/RTS
-		 Twisted pair no. 8 -
-		 J2-C
Shield		 RTS
-
J1-42
Shield		 RTS/CTS
-		 Twisted pair no. 9 -
-		 J2-D
Shield		 CTS
-
J1-43
Shield		 DTR/DSR
-		 Twisted pair no. 10 -
-		 J2-E
Shield		 DSR
-
J1-44
Shield		 LL/DCD
-		 Twisted pair no. 11 -
-		 J2-F
Shield		 RLSD
-
J1-34
Shield		 DSR/DTR
-		 Twisted pair no. 7 -
-		 J2-H
Shield		 DTR
-
J1-33
Shield		 DCD/LL
-		 Twisted pair no. 6 -
-		 J2-K
Shield		 LT
-
J1-28
J1-27		 RxD/TxD+
RxD/TxD-		 Twisted pair no. 5 -
-		 J2-P
J2-S		 SD+
SD-
J1-18
J1-17		 TxD/RxD+
TxD/RxD-		 Twisted pair no. 1 -
-		 J2-R
J2-T		 RD+
RD-
J1-26
J1-25		 RxC/TxCE+
RxC/TxCE-		 Twisted pair no. 4 -
-		 J2-U
J2-W		 SCTE+
SCTE-
J1-22
J1-21		 NIL/RxC+
NIL/RxC-		 Twisted pair no. 3 -
-		 J2-V
J2-X		 SCR+
SCR-
J1-20
J1-19		 TxCE/TxC+
TxCE/TxC-		 Twisted pair no. 2 -
-		 J2-Y
J2-AA		 SCT+
SCT-

Arrows indicate signal direction: - indicates DTE to DCE, and - indicates DCE to DTE.

1 Any pin not referenced is not connected.

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15 pin V.35 Cisco connector pin-outs & layouts
15 pin V.35 Cisco connector
Pinouts.ru > Pinouts and schemes of serial ports cables >  Pinout of Cisco V.35 DCE cable and layout of 60 pin Cisco DB connector and 15 pin V.35 Cisco connector

Source(s): Cisco Systems, Inc. and Technick.net
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