Connect Tech Blue Heat/PCI PCI Serial Communications - page 23

Blue Heat/PCI User’s Manual, Connect Tech Inc.
23 Revision 0.11
Table 3: RJ-45 pinouts for the Blue Heat/PCI Opto
Pin No.
RS-232
Signal Direction
RS-422/485
Signal Direction
1 N/C no connect RTS (-) output
2 N/C input RxD (+) input
3 RTS output RTS (+) output
4 SG signal gnd SR signal ref.
5 TxD output TxD (+) output
6 RxD input RxD (-) input
7 Gnd ground Gnd. ground
8 CTS input CTS (+) input
9 N/C no connect TxD (-) output
10 N/C no connect CTS (-) input
RJ-45 connector
1 10
Note: The RS-232 signals do not apply to the Blue Heat/PCI
Opto RS-422/485 adapter
Table 4: Blue Heat/PCI RJ-11 port header (P7/P8) pinouts
Pin No. RS-232 Direction
1 DCD input
2 DSR input
3 RxD input
4 RTS output
5 TxD output
6 CTS input
7 DTR output
8 RI input
9 SG signal gnd.
10 N/C no connect
4
6
8
10
9
7
5
3
2
1
P7/P8