CIRCUTOR QNA500 series - Manual (Page 19)

POWER QUALITY ANALYZER QNA500 8IO
QNA500 8IO Instruction manual 19 / 111
10002: CIRBUS
14001: ZMODEM (telnet)
14002: ZMODEM (RAW)
20003: MODBUS/RTU
30003: MODBUS/TCP
80: HTTP
21: FTP
A standard UTP CAT 5 cable will be used.
M-BASE module has various activity LEDs for the Ethernet port, as in the case of a PC.
Led Power on Flashing
Act1 No external activity External TX/RX ETH activity established
Link1 ETH No external link
Act2 No activity with the modules TX/RX ETH activity with the modules
Link2 ETH No link with the modules