M20
System overview
V1.02
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2.1.2
Mobile network
KeContact M20 has a mobile communications module. It enables a connec-
tion to a OCPP backend via the mobile network. The mobile communications
provider may charge additional fees (depending on the tariff) for running
data transmissions.
Fig. 2-4: Mobile network
1
... KeContact M20
2
... OCPP backend
For the connection to an external OCPP backend over the mobile network, a
suitable SIM card must be installed during commissioning. When installing
the SIM card, observing the ESD notices is mandatory.
In addition, the mobile network must be activated as the connection to the
OCPP backend and the access data of the mobile service provider must be
set in the configuration (web interface).
Information
The username and password for the mobile network connection must not
be empty and must consist of more than one character!
2.2
Structure of a local charging network
The client charging stations must be connected to the master using a router
or switch.
To enable communication between master and client charging stations, the
devices must be configured in the web interface, see Configuration.
2.2.1
Connection via router or switch
If there are multiple client charging stations, these must be connected to the
master via a router or switch. The connection of the charging station to the
router/switch is made via LAN.
Содержание KeContact M20
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