Intellisystem IT-SDS-304-T-4D Series, Руководство пользователя

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Serial port connection
IT-SDS-304-T-4D -4D(RS-232) series adopts RJ45 connector. The PIN define is as follows:
RS-232 port:
PIN PIN define Description
1 TXD Transmit data
2 RXD Received Data
3 RTS Request to send
4 CTS Clear to send
5 DSR Data set ready
6 GND Signal ground
7 DTR Data terminal ready
8 DCD Data carrier detect
IT-SDS-304-T-4D -4DI
（
RS-485
）：
Back panel provide 3.81mm 4bit industrial terminal block, the PIN define is as follows:
RS-485:
PIN Define
1 D+(A)
2 D-(B)
RS-422:
PIN Define
1 T+(A)
2 T-(B)
3 R+(A)
Rx+
4 R-(B)
【
LED Indicator
】
The LED indicator on the front panel of IT-SDS-304-T-4D series can indicate the running system and the operation status, which makes it easy to
find and solve problems, the specific meaning of indicator are shown in the table.
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