E-Mon E-PS-S-HV-RTU - Manual (Page 29)

Chapter 3 Communication 23
F i g u r e 3 0 : M O D E M c o n n e c t i o n
The MODEM module provides additionally to COM4 indication
GREEN LEDS, MODEM indication leds :
"LNK" GREEN LED/ "ACT" ORANGE LED, when "LNK" is "ON"
continuously and "ACT" is blinking, it shows that the MODEM
is active
Auxi liary P ower Supply
A C/ D C A u xi li ar y P o w e r Su p p ly
The PowerSmart Socket PQM- 120V model only, can be equipped with additional power
supply to redundant the built-in power supply (Auxiliary Power Supply – APS).
To install the APS module follow instructions:
1) Remove the plastic cover
2) Remove the body shield
3) Plug-in the module in the APS slot and attach it to bracket using the two
screws
4) Connect the APS pigtail cable and pass it through the device base window
cables
5) Mount back the body shield
6) Mount back the plastic cover
The APS module is factory or Meter Shop plugged-in at the APS slot
The APS module is connected to an external AC/DC Voltage source with a three-wire pigtail
cable as shown in figure 31, see Appendix: Technical Specifications
F i g u r e 3 1 : A C / D C A P S m o d u l e