Smart logger 1000 network test not pass

Smart logger 1000 network test not pass,We check that the LAN cable and RJ45 connector are correct, And computer can use internet.

So we let IT check the port Is the Internet turned off? The IT department said all ports have been opened successfully.

We then tested by moving the smart logger 1000 to a nearby Switching Hub and testing the network. smart logger 1000 network test and can send data to the server. 

Therefore, we checked the Ethernet (LAN) cable distance, found that the cable distance is longer than 100 m. We therefore summarize the reason that the cable Ethernet (LAN) longer than 100 m.