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BlueStorm Installation Guide, Connect Tech Inc.
Revision 0.10 21
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)
Pin No.
RS-232
Signal
Direction
RS-422/485
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