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Last update: 2018-08-21 10:10
ccgx:start
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Printed on 2018-08-21 11:59
Complete details of IP requirements, as well as used port numbers will be found in the
VRM FAQ -
ports and connections used by the CCGX
.
1.6.6 Connecting both Ethernet and Wi-Fi (failover)
It is possible to connect the CCGX to both Ethernet and Wi-Fi. In this case, the CCGX will try to
determine which interface provides an active internet connection and then use that interface. When
both have an active internet connection, the Ethernet connection is used. The CCGX will automatically
check again for active internet connections when something changes on the interfaces.
1.6.7 Minimize internet traffic
In situations where internet traffic is expensive, for example a satellite uplink or with roaming
GSM/cellular charges, you may want to minimize the internet traffic. The steps to take are:
Disable auto-update
Do not enable remote support
Reduce the Logging interval to a very low frequency. Note that state changes (charging →
inverting, or bulk→float) and also alarms will cause extra messages to be sent
To find out how much data allowance you need to buy the best way is to let the system run for a
couple of days and monitor the internet RX and TX counters in your 3G or 4G router. Or even better,
some mobile companies will report the data used via a website.
The amount of data used is also very dependent on the system:
More products connected to the CCGX will generate more data.
A state change (from inverter to charger for example) will trigger a data transmission, so a
system with very frequent state changes will also tend to generate more data. This is especially
true in certain Hub-1 and Hub-2 systems.
Note that CCGX versions prior to v1.18 will check for software updates daily even when auto-update is
switched off. This was changed in v1.18. Disabling auto-update also disables the check - saving a lot
of data.