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3.4.1. RS-232 control port
UMX4x4-Pro2 matrix switchers can be remote controlled through industry standard
9-pole D-SUB female connector. The router can be ordered with RS 232 control port.
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Figure 3-7. D-SUB 9 pole female connector (DE9F)
Pin nr.
1
NC - not connected
2
TX data transmit (output)
3
RX data receive (input)
4
NC - not connected
5
GND signal ground (shield)
6
NC - not connected
7
NC - not connected
8
NC - not connected
9
NC - not connected
Table 3-5. D-sub connector pin assignment for standard RS-232
5
1
9
6
RS-232
Section 3. Controls and connections
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