Connect Tech Blue Heat/PCI PCI Serial Communications - page 22

Blue Heat/PCI User’s Manual, Connect Tech Inc.
Revision 0.11 22
Table 1: DB-9 pinouts for Blue Heat/PCI RS-232, 422/485 models, Universal Blue Heat/PCI RS-422/485
Pin No.
RS-232
Signal Direction
RS-422/485
Signal Direction
1 DCD input RxD B(+) input
2 RxD input TxD B(+) output
3 TxD output TxD A(-) o utput
4 DTR output RxD A(-) input
5 SG signal gnd SR signal ref.
6 DSR input CTS A(-) input
7 RTS o utput RTS A(-) output
8 CTS input RTS B(+) output
9 RI input CTS B(+) input
Male DB-9 Connector
15
69
Part #(s): CAB04DX
CAB08FXDX
Table 2: DB-9 pinouts for the Blue Heat/PCI Opto
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
15
69
Part #:
Note:
CABRJ4509
The RS-232 signals do not apply to the Blue Heat/PCI
Opto RS-422/485 adapter.