APsystems ECU-B Installation/User Manual
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2. Interface Explanation
2.1 Interface Layout
The ECU-B interface includes, (figure 2) from left to right
Reset button
Wifi antenna connector (WLAN communication between ECU and
router)
power connection port
Zigbee antenna connector (communication between ECU and
microinverters)
Reset
Antenna(WIFI)
Antenna(ZIGBEE)
On the side ECU: from top to bottom are:
USB port : the USB interface is reserved.
AP button: in case there is need to activate the ECU-B hotspot (see
later in the document)
Figure 2
Power Connection Port
Invalid Ports
USB
AP
