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4.4.2 RS232 serial ports
The first of the two RS232 serial ports is called "maintenance RS232". This port is dedicated exclusively to diagnostic functions
and to update the equipment firmware.
The second serial port is called "smart port (serial RS232)". Through a computer this port makes it possible to access a set
of data relative to the functioning of the UPS as well as controlling the unmanned shutting down of the operating system.
The pinout of the RS232 interface is the following:
PIN
FUNCTION
2
3
5
GND
1 - 4 - 6
connected together
7 - 8
connected together
Archimod HE 240-480®
RX
TX
45
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