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LINDY CPU Switch Dual Junior Installation and Use Page 58
5. The LINDY CPU Switch should then receive the configuration data to your
computer and load the new menu names and access rights into the menu.
4.20 Switching channels by sending RS232 data
You can switch the LINDY CPU Switch Dual Junior remotely by sending RS232 data
to the serial communications port (located on the rear panel adjacent to the power
connectors). All data should be sent using the following RS232 protocol.
Baud: 19200, bits: 8, stopbits: 1, parity:none
No handshaking is implemented but valid command characters will be echoed back
to the sender.
The top nibble (4 bits) of the command byte defines the user port that is to be
switched (1=port 1, 2=port 2). The bottom nibble defines the computer port that the
user port is to be switched to (e.g. 0=port 1, 1=port 2, E=port 15, F=port 16).
For example:
Hexadecimal code 14 switches user port 1 to computer port 5
Hexadecimal code 28 switches user port 2 to computer port 9
Hexadecimal code 2D switches user port 2 to computer port 14
Special codes are:
Hexadecimal code 71 switches user port 1 to computer port 0 (off)
Hexadecimal code 72 switches user port 2 to computer port 0 (off)
The 9-pin female RS232 connector at the rear of the LINDY CPU Switch has the
following pinout: