Pinouts of Connectors

Cisco EIA/TIA-232 (RS-232) DCE cable pinout

layout
schematic diagram
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60 pin Cisco DB connector pin-out & layout
60 pin Cisco DB connector
60 Pin1 Signal Description Direction 25 Pin Signal
J1-50
J1-51		 MODE_0
GND		 Shorting group - - -
J1-46 Shield GND Single - J2-1 Shield GND
J1-36
Shield		 RxD/TxD
-		 Twisted pair no. 9 <--
-		 J2-2
Shield		 TxD
-
J1-41
Shield		 TxD/RxD
-		 Twisted pair no. 5 -->
-		 J2-3
Shield		 RxD
-
J1-35
Shield		 CTS/RTS
-		 Twisted pair no. 10 <--
-		 J2-4
Shield		 RTS
-
J1-42
Shield		 RTS/CTS
-		 Twisted pair no. 4 -->
-		 J2-5
Shield		 CTS
-
J1-43
Shield		 DTR/DSR
-		 Twisted pair no. 3 -->
-		 J2-6
Shield		 DSR
-
J1-45
Shield		 Circuit GND
-		 Twisted pair no. 1 -
-		 J2-7
Shield		 Circuit GND
J1-44
Shield		 LL/DCD
-		 Twisted pair no. 2 -->
-		 J2-8
Shield		 DCD
-
J1-39
Shield		 TxCE/TxC
-		 Twisted pair no. 7 -->
-		 J2-15
Shield		 TxC
-
J1-40
Shield		 NIL/RxC
-		 Twisted pair no. 6 -->
-		 J2-17
Shield		 RxC
-
J1-33
Shield		 DCD/LL
-		 Twisted pair no. 12 <--
-		 J2-18
Shield		 LTST
-
J1-34
Shield		 DSR/DTR
-		 Twisted pair no. 11 <--
-		 J2-20
Shield		 DTR
-
J1-38
Shield		 RxC/TxCE
-		 Twisted pair no. 8 <--
-		 J2-24
Shield		 TxCE
-

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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25 pin Cisco DB connector pin-outs & layouts
25 pin Cisco DB connector
Pinouts.ru > Pinouts and schemes of serial ports cables >  Pinout of Cisco EIA/TIA-232 (RS-232) DCE cable and layout of 60 pin Cisco DB connector and 25 pin Cisco DB connector

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