Connect Tech BlueStorm Universal PCI Pin # RS-232 RS-422/485 DB-9 DB-25 Signal Signal Direction

BlueStorm Installation Guide, Connect Tech Inc.

Table 6: Pinouts and Control Signals for DB-9 and DB-25 Male Connectors (BlueStorm/LP and

BlueStorm/SP Only)

	Pin #				RS-232			RS-422/485
DB-9		DB-25		Signal	Signal Direction	Signal		Signal Direction
1		8		DCD	input	RxD +		input
2		3		RxD	input	TxD +		output
3		2		TxD	output	TxD –		output
4		20		DTR	output	RxD –		input
5		7		SG	signal gnd.	SR		signal ref.
6		6		DSR	input	CTS –		input
7		4		RTS	output	RTS –		output
8		5		CTS	input	RTS +		output
9		22		RI	input	CTS +		input
			DB-9 male				DB-25 male

Table 7: Pinouts and Control Signals for DB-9 Male Connectors (BlueStorm/SP Opto Only)

	RS-232		RS-422/485
Pin No.	Signal	Direction	Signal	Direction
1	N/C	no connect	RxD (+)	input
2	RxD	input	RxD (-)	input
3	TxD	output	TxD (+)	output
4	N/C	no connect	TxD (-)	output
5	SG	signal gnd	SR	signal ref.
6	N/C	no connect	CTS (-)	input
7	RTS	output	RTS (+)	output
8	CTS	input	CTS (+)	input
9	N/C	no connect	RTS (-)	output
		Male DB-9 Connector

1 5

6 9

Please note that the DB-9 pinouts for BlueStorm/LP and BlueStorm/SP differ from the BlueStorm/SP Opto

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