janitza UMG 804 - Page 28

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Serial communication port
NOTE
Property damage due to incorrect network settings!
Incorrect network settings can cause faults in the IT network!
· Before installation, have your network administrator
inform you about the correct network settings.
Data
GND
Tx-
Rx-
Tx+
Rx+
G (-) (+)
SERIAL
RS-485
USB PORT
RS485 Bus
A
B
A
B
Data GND
Serial communications port (detail)
Data
GND
Tx-
Rx-
Tx+
Rx+
G (-) (+)
SERIAL
RS-485
USB PORT