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Product Information
5
AXB-PCCOM Communications Port Interface
Using the RS-232 (DB-9) connector control or data
The AXB-PCCOM uses the dual-function (DB-9) RS-232 connector (FIG. 6) to communicate with
the PC.
The following table lists (DB-9) RS-232 connector pinouts and signal definitions.
FIG. 6
RS-232 (DB-9) connector location on AXB-PCCOM
(DB-9) RS-232 Connector Pinouts
Pin Signal
Function
1
N/A
Not used
2
RXD
Receive data
3
TXD
Transmit data
4
DTR
Data terminal ready (not used)
5
GND
Signal ground
6
N/A
Not used
7
RTS
Request to send (not used)
8
CTS
Clear to send (not used)
9
N/A
Not used
RS-232 connector
9
8
7
6
5
4
3
2
1
9
8
7
6
Female - on PCCOM
Male
DB-9 (male)
DB-9 (female)