SATEC AX-8 - Manual (Page 13)

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