ADLINK cPCI-3971 - Manual (Page 57)

Board Interfaces 43
cPCI-3970
cPCI-3970G/U Serial Ports
COM1 Connector (RJ-45)
Table 4-9: cPCI-3970G/U COM1 (RJ-45) Pin Definition
COM1 Connector with DB-9 Adapter
An RJ-45 to DB-9 adapter cable is provided to breakout the
COM1 signals.
Table 4-10: cPCI-3970G/U COM1 (DB-9 adapter) Pin Definition
NOTE: NOTE:
The COM mode setting for cPCI-3970G/U models are set in
the BIOS: “cPCI-3970G COM1/ 2 Output” on page 122.
Pin # RS-232 RS-422 RS-485
1 DCD-L — —
2 RTS-L TXD+ TXD+
3 DSR-L — —
4 TXD TXD- TXD-
5 RXD RXD- —
6 Ground — —
7 CTS-L RXD+ —
8 DTR-L — —
9 RI-L — —
Pin # RS-232 RS-422 RS-485
1 DCD-L — —
2 RXD RXD- —
3 TXD TXD- TXD-
4 DSR-L — —
5 Ground — —
6 DSR-L — —
7 RTS-L TXD+ TXD+
8 CTS-L RXD+ —
9 — — —