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60 pin Cisco DB connector layout
60 pin Cisco DB connector
15 pin Cisco DB connector layout
15 pin Cisco DB connector
This document describes the X.21 cable assembly and pinouts (Data Communications - DCE). Cisco Part#: CAB-X21FC=
60 Pin1 Signal Description Direction 15 Pin Signal
J1-48
J1-47		 GND
MODE_2		 Shorting group - - -
J1-46 Shield_GND Single - J2-1 Shield GND
J1-28
J1-27		 RxD/TxD+
RxD/TxD-		 Twisted pair no. 6 -
-		 J2-2
J2-9		 Transmit+
Transmit-
J1-1
J1-2		 CTS/RTS+
CTS/RTS-		 Twisted pair no. 1 -
-		 J2-3
J2-10		 Control+
Control-
J1-11
J1-12		 TxD/RxD+
TxD/RxD-		 Twisted pair no. 3 -
-		 J2-4
J2-11		 Receive+
Receive-
J1-9
J1-10		 RTS/CTS+
RTS/CTS-		 Twisted pair no. 2 -
-		 J2-5
J2-12		 Indication+
Indication-
J1-24
J1-23		 TxC/RxC+
TxC/RxC-		 Twisted pair no. 4 -
-		 J2-6
J2-13		 Timing+
Timing-
J1-15
Shield		 Control_GND
-		 Twisted pair no. 5 -
-		 J2-8
Shield		 Control GND
-

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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Pinouts.ru > Serial interfaces cables and converters schemes listing > Pinout of Cisco X.21 DCE cable (DB-60 to DB-15) and layout of 60 pin Cisco DB connector and 15 pin Cisco DB connector
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