Instruction Manual
Board Interfaces 47
cPCI-3970
COM5 Connector (DB-9)
Table 4-15: cPCI-R3P00(T) RTM COM5 Pin Definition
COM5 with RS-422/485 Dongle (DB-9)
Table 4-16: cPCI-R3P00(T) RTM COM5 with RS-422/485 Dongle Pin Def’n
NOTE:
NOTE:
The cPCI-R3P00(T) RTM COM5 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 compati-
bility with common RS-422/485 pin definitions. See
Pin # RS-232 RS-422 RS-485
1DCD-L — —
2 RXD RXD- —
3 TXD TXD- TXD-
4DTR-L — —
5GND — —
6DSR-L — —
7 RTS-L TXD+ TXD+
8CTS-LRXD+ —
9RI-L — —
Pin # RS-422 RS-485
1 TXD- TXD-
2 TXD+ TXD+
3RXD+ —
4RXD- —
5— —
6— —
7— —
8— —
9— —