Connect Tech Blue Heat/PCI PCI Serial Communications - Manual (Page 24)

Blue Heat/PCI User’s Manual, Connect Tech Inc.
Revision 0.11 24
Table 5: Blue Heat/PCI RJ-11 pinouts
DB-9
Pin No. RS-232
Signal
Direction RJ-11
Pin No. RS-232
Signal
Direction
1 DCD input 1 RTS output
2 RxD input 2 RxD input
3 TxD output 3 TxD output
4 DTR output 4 DSR input
5 SG signal ground
6 DSR input
5 SG Signal/power
ground
7 RTS output
8 CTS input
6 +12 VDC**
or +5 VDC**
output
9 RI input ** This option is a factory installed option
Part #: CAB104K
Technical Tip:
Please ensure that you terminate the CTS signal if your application does
not use them. The common way to do this is to connect CTS to RTS.
Failure to do so may result in loss of a performance on your Blue
Heat/PCI RJ-11 adapter.
Table 6: Blue Heat/PCI 20mA CL pinouts
Pin No. 20mA Signal Direction
1 RxD(-) input
2 TxD(+) output
3 TxD
Source output
4 TxD Return output
5 SG signal ground
6 RxD Return input
7 TxD(-) output
8 RxD(+) input
9 RxD
Source input
Part No.: CAB08FXDX
Male DB-9 Connector
1 5
6 9
Male DB-9 Connector
1 5
6 9
1 6
RJ-11 Connector