Pixsys TD430-AD, Руководство пользователя

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If the device is used as Master RS485, the dip-switches will have
to be set as “RS485 polarization”.
If the device is used as Slave RS485, the dip-switches must be set
as “RS485 termination”.
Beside terminal block “M1” there are two signal LEDs. The yellow
LED indicates that data are being received on RS485. The green
LED indicates that data transmission in in progress on RS485. In
this case the LED is ON only if dip 3 and 4 of DIP1 are set to ON,
with consequent polarization of RS485 line.
18.2 CPU dip-switches
DIP2 is located at the bottom of rear side.
DIP1
DIP2
ETH1 USB1
M1
ETD-EXP
This dip-switch enables/desables the protection of flash memory
writing.
Preventing the writing on flash.memory it will not be possible to
create/save new files. The table below provides the list of possible
configurations