HP 5000 Router manual Describes the V.24 DTE cable pinouts, DTE Cable Pinouts

Serial Interface Cable 51

At the network end, the connector is different for each type of cable, as described in the following list:

■V.24 (EIA/TIA-232) DTE cable — DB-25 (male) adapter

■V.24 (EIA/TIA-232) DCE cable — DB-25 (female) adapter

■V.35 DTE cable — 34-pin (male) adapter

■V.35 DCE cable — 34-pin (female) adapter

V.24 DTE Cable Assembly Figure 31 illustrates the V.24 DTE cable assembly.

and Pinouts

Figure 31 V.24 DTE Cable Assembly

			DB25 Male
Enlarged A side	DB50 Male	Label	Enlarged B side

Table 22 describes the V.24 DTE cable pinouts.

Table 22 V.24 DTE Cable Pinouts

DB-50	Signal	Signal Direction	DB-25	Signal
5	TxD/RxD	—>	2	TxD
27	RxD/TxD	<—	3	RxD
2	RTS/CTS	—>	4	RTS
31	CTS/RTS	<—	5	CTS
6	DSR/DTR	<—	6	DSR
30	DCD/LL	<—	8	DCD
3	TxC/NIL	<—	15	TxC
28	RxC/TxCE	<—	17	RxC
1	LL/DCD	—>	18	LTST
26	DTR/DSR	—>	20	DTR
4	TxCE/TxC	—>	24	TxCE
50	GND	-	1	Shield_GND
7	GND	-	7	Circuit_GND