46 AXIS 221 - The I/O Units Connectors
Schematic Diagram - Power Terminal Block and Power Connectors
The D-Sub 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 Function
1CD
2- RXD
3- TXD
4DTR
5GND
6DSR
7RTS
8CTS
9RI
3
2
o
o
Mode
Power
Supply
3.3V
z
z
zz z
z
z
z
z
z
o
o
Internal
~Switch
o
z
GND
AC
1
AC/DC+
GND/DC-
=+
-
Axis Power Supply
PS-K 9V max 9W or
according to parts list
54321
6789