SATEC PM180 Installation Manual - Manual (Page 15)

PM180 Substation Automation Unit 12
2.2.10 Serial Communication options – COM1, COM2
The PM180 provides 2 optically isolated serial communication ports, COM1 (RS232/485) in the CPU module and
COM2 (RS422/485) in one of the optional Communication modules (IRIG-B, 2G/3G, TXFX, WiFi, DUP) , as shown
in Figure 2-14.
If two or more communication modules are plugged in the PM180, only one COM2 port will be active.
Figure 2-14 Communication Network Connection – RS-422/RS-485
2.2.11 USB communication port
The PM180 CPU module provides one galvanic isolated USB Device communication port, to be connected to a
personal computer to run PAS configuration tool, as shown in Figure 2-15.
Figure 2-15 USB port Connection – USB device