SATEC PM180 Installation Manual - Manual (Page 18)

PM180 Substation Automation Unit 15
Chapter 3 Serial Communications
3. Communications
Figure 3-1 RS-232/RS-422/RS-485 ports location
COM1, RS-232/485 versatile port is provided CPU module.
COM2, RS-422/485 port is provided by a number of Communication modules: CELLULAR, TXFX, WiFi,
PROFIBUS and IRIG-B.
COM3, RS-485 port communicates with any SATEC remote display: RGM180 or RDM.
COM4, IR port is provided in the RGM180 display when directly attached to the PM180.
COM5, RS-232 to communicate with modules to activate following modules communication ports: MODEM
port, PROFIBUS port and CELLULAR port.