Cisco Systems PA-4T Cables and Pinouts, EIA/TIA-232 Adapter Cable Signals, DTE Cable CAB-232MT=

Cables and Pinouts

Table 1-2	EIA/TIA-232 Adapter Cable Signals
DTE Cable (CAB-232MT=)						DCE Cable (CAB-232FC=)
Router End, HD1					Network End,	Router End, HD					Network End,
60-Position Plug					DB-25 Plug	60-Position Plug					DB-25 Receptacle
Signal		Pin		Pin	Signal	Signal	Pin			Pin	Signal
Shield ground		46		1	Shield ground	Shield ground	46			1	Shield ground
TxD/RxD		41	—>	2	TxD	RxD/TxD	36	<—	2	TxD
RxD/TxD		36	<—	3	RxD	TxD/RxD	41	—>	3	RxD
RTS/CTS		42	—>	4	RTS	CTS/RTS	35	<—	4	RTS
CTS/RTS		35	<—	5	CTS	RTS/CTS	42	—>	5	CTS
DSR/DTR		34	<—	6	DSR	DTR/DSR	43	—>	6	DSR
Circuit ground		45		7	Circuit ground	Circuit ground	45			7	Circuit ground
DCD/LL		33	<—	8	DCD	LL/DCD	44	—>	8	DCD
TxC/NIL		37	<—	15	TxC	TxCE/TxC	39	—>	15	TxC
RxC/TxCE		38	<—	17	RxC	NIL/RxC	40	—>	17	RxC
LL/DCD		44	—>	18	LTST	DCD/LL	33	<—	18	LTST
DTR/DSR		43	—>	20	DTR	DSR/DTR	34	<—	20	DTR
TxCE/TxC		39	—>	24	TxCE	RxC/TxCE	38	<—	24	TxCE
Mode 0		50				Mode 0	50
Ground		51			Shorting group	Ground	51				Shorting group
Mode_DCE		52

1 HD = high density.

1-10PA-4T+ Synchronous Serial Port Adapter Installation and Configuration