SATEC ETC2002 - Manual (Page 7)

Chapter 2 Installation Electrical Installation
ETC2002 Network Communicator 7
Figure 2-3 Din Rail Mounting
Figure 2-4 Panel Mounting
Electrical Installation
Power Source Connection
Before connecting your device to the power source, check the label on the
back of the device to ensure that it is equipped with the appropriate power
supply.
AC power supply: Connect the line wire to terminal L/+ and the neutral wire
to terminal N/-.
DC power supply: Connect the positive wire to terminal L/+ and the negative
wire to terminal N/-.