ADLINK cPCI-6210 - Manual (Page 43)

Board Interfaces 29
cPCI-6210
COM1 Connector (DB-9)
Table 4-4: COM1 Connector Pin Definition
RS-422/485 Adapter Dongle
A DB-9 male-female adapter dongle is provided to allow com-
patibility with common RS-422/485 pin definitions
Table 4-5: RS-422/485 Adapter Dongle Pin Definition
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 — — —
NOTE: NOTE:
The COM1 RS-422/485 pin definitions are different from the
common DB-9 pin definitions. An RS-422/485 DB-9 male-female
adapter dongle is provided to allow compatibility with common
RS-422/485 pin definitions.
DB-9 (Female)
Signal Name
Pin #
DB-9 (Male)
Signal Name
NC 1 TXD-
RXD- 2 TXD+
TXD- 3 RXD+
NC 4 RXD-
NC 5 NC
NC 6 NC
TXD+ 7 NC
RXD+ 8 NC
NC 9 NC