40 – Monitoring T2S - ETH User Manual – v1.4
Catena
8.3.3 Troubleshooting
For any reason, if connection between Catena and T2S ETH cannot be established, the following popup will be
displayed:
Follow the steps listed here. If the problem persists even after a reset (or hard reset by power supply), try to connect
directly on T2S ETH and check that it’s properly configured “With Catena” (See section 8.4, page 40).
8.4 Conguration
In Catena installed system, it is mandatory to set the option as “With CATENA” in Network page. (Parameters >
Monitoring > Network > Connection mode > Hardware setup). Refer section “Network”, page 32
8.4.1 Network architecture
When using Catena with T2S ETH, the network architecture is the following:
“A” is a private network between Catena and T2S ETH. Catena provides a DHCP server on this port to provide an IP
address to T2S ETH. Even if not usable for user, the address range used there is 10.240.240.X and therefore, this
address range is not available on interface B.
“B” is the user “permanent network connection” to the Catena. It can be either in DHCP client or in fixed IP address.
When using a Catena, the network parameters in user interface are the ones used on interface B.
Important remark: when “With Catena” mode is selected, T2S ETH is listening for DHCP client. For any reason, if you
want to connect on T2S ETH directly by removing the cable “A”, then you have to wait for the DHCP client timeout of
about 2 minutes. Only after that, T2S ETH will use the defined IP address in network parameters and you can reach it.
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