Cisco EIA/TIA-232 (RS-232) DCE cable pinout and wiring @ pinouts.ru

used in the Cisco 7000 family, Cisco 4000 series, Cisco 3600 series, Cisco 2500 series, Cisco 1600 series, Cisco access servers, and AccessPro PC cards

60 Pin	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. See also RS232 interface details.

Any pin not referenced is not connected.

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serial interface cable

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