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Presentation Switchers, Inc.
RS-232 Connection
Communications Interface
The PS190 uses a serial interface (RS-232) to change attributes and behavior of the PS190.
Parameters are as follows: 115200 baud, 8 bit, no parity, and 1 stop bit. The baud rate is fixed
and unchangeable. Pins 2 (Rx), 3 (Tx), and 5 (GND) are used.
Attribute
Value
Type (on PS190)
DB-9, Female
Baud Rate
115,200 (fixed)
Data Size
8 bit
Parity
None
Stop Bits
1
2
3
5
2
3
5
COMPUTER
SWITCHER
STRAIGHT THROUGH
SERIAL CABLE