Rievtech PR-6DC-DA-R - Page 36

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1. Programming port/RS232 port
(ELC-RS232 ,ELC-USB,ELC-Copier,ELC-MEMORY,ELC-BATTERY,PRO-RS485) should be inserted in this
port)
When the programming port should be used as the standard RS232 port (D-shape 9 pin header) ,the
ELC-RS232 cable needed.Blow is show you the pin definition of the header:
2. Expansion port/RS485 ( pin definition)
PIN
function
2
RXD
3
TXD
5
GND
others
NULL