The RS-232 connector
The AXIS 221 provides one 9-pin D-sub connector, providing the physical interface for an
RS-232 port, used for connecting accessory equipment.
A diagram of the RS-232 connector, complete with pin assignment table, is shown below.
Pin
1
2
3
4
5
6
7
8
9
Function
CD
- RXD
- TXD
DTR
GND
DSR
RTS
CTS
RI
AXIS 221 - Unit Connectors
1
2
3
4
5
6
7
8
9
49
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