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Installation l l Chapter 2
9
RxD indicator stands for data transmitting from RS-422/RS-485
to RS-232. It shows red when connected and no data received. It
shows orange when connected and receiving data (In half-
duplex mode, it shows red when line is not connected due to the
characteristics of ICs for RS-485).
RTS indicator is for RS-232 RTS signal. It shows red when
connected and RTS signal turned on. It shows green when
connected and RTS signal turned off.
PWR indicator is red when power is on and not lighted when
power is off or not connected.
2.4 RS-422/RS-485 Pinouts
RS-422/RS-485 interface with RJ-45 Jack connector or
Terminal Block Connector is depicted as follows.
1 2 3 4 5 6 7
RJ-45 Connector Terminal Block Connector
1 2 3 4 5 6 7 8 9 10