Functional Description
Page 45
3.11
RS232 (on G229 Peripheral Board)
Table 15.
Connector types – 9-pin D-Sub plug
Table 16.
Pin assignment – RS232 (9-pin D-Sub)
Table 17.
Signal mnemonics – RS232
Connector
Type
On G25A
9-pin D-Sub plug according to DIN41652/MIL-C-24308, with thread bolt
UNC4-40
Mating
9-pin D-Sub receptacle according to DIN41652/MIL-C-24308, available for
ribbon cable (insulation piercing connection), hand-soldering connection
or crimp connection
1
-
6
-
2
RXD
7
RTS#
3
TXD
8
CTS#
4
-
9
-
5
GND
Signal
Direction
Function
GND
-
Ground
CTS#
in
Clear to send
RTS#
out
Request to send
RXD
in
Receive data
TXD
out
Transmit data
5
9
1
6