Riello UPS MultiCOM 401 - Manual (Page 21)

21
CONNECTORS PINOUT
PROFIBUS CONNECTOR
PIN # DESCRIPTION
1 NC
2 NC
3 RXTX+
4 RTS
5 GND
6 +5V
dc
7 NC
8 RXTX-
9 NC
SERIAL 2
PIN # DESCRIPTION
1 GND
2 GND
3 RXD
4 TXD
5 n.c.
6 n.c.
7 n.c.
8 n.c.