Keba KeContact M20, Руководство по эксплуатации, Страница: 48 / 64

M20 Functions
V1.02
48
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● The firewall must be configured so that communication between the
charging station and the OCPP backend is possible.
● For a connection via VPN, the IP address of the VPN must be specified
in the configuration (web interface) for the downlink.
● In the case of a mobile communications connection, it may be necessary
for the required ports to be activated by the cellular service provider.
Ports for communication via OCPP
For communication with an OCPP backend, the following ports must be en-
abled in the network:
Port Protocol Definition Description
Custom
(1025 -
65535) TCP
Can be reached externally
(incoming)
OCPP Charge Point Service: This
service is related to the OCPP
backend.
● The port can be freely selected
or it is specified by the OCPP
backend. However, the port
may only be located in the
range from 1025 to 65535.
● The selected port must be
configured on the charging
station.
Custom TCP
Access to external (outgo-
ing) Port at which the OCPP backend
can be reached.
123 UDP Incoming and outgoing
Port for the time server of the
charging station.
Supported messages
The following table provides an overview of the supported messages.
Message OCPP 1.5 OCPP 1.6
Authorize x x
BootNotification x x
ChangeAvailability x x
ChangeConfiguration x x
ClearCache x x
DataTransfer x x
GetConfiguration x x
Heartbeat x x
MeterValues x x
RemoteStartTransaction x x
RemoteStopTransaction x x
Reset x x
StartTransaction x x
StatusNotification x x