10
Transmission Status
LED Indication
no transmission
no LEDs lit up
Powermeter to AX-8
single Rx LED (‘1’ in
Figure 4-1
) flashes
RS-422: master to Powermeter
Powermeter Tx LED (‘2’) flashes
Powermeter to master
Powermeter Rx LED (‘3’) flashes
RS-485: master to Powermeter
Powermeter to master
Powermeter Rx and Tx LEDs flash
Figure 4-1
Detail of Communication LEDs on AX-8
NETWORK
RS-422/RS-485
RX
RS-422
POWER METER
TX
TX RX
+
+
_ _
RX
RX
TX
RX
TX
RX
TX
_
_
+
+
1
2
3