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5.6.1.
REF as SMS gateway
A051097
Fig. 5.6.1.-1
SMS gateway setting
A REF 542plus, with the GSM physically connected via the serial interface,
is the SMS gateway. Only a REF 542plus which has a GSM physically
connected can be a SMS gateway. Therefore, a REF 542plus used for
gateway has to be configured as REF is SMS gateway and the MODEM has
to be configured. All other REF 542plus devices have to be configured with
the IP address of SMS gateway set to the gateway
’
s IP and the GSM number
(s).
More then one REF gateway is possible per subnet.
It is recommended not to overload the queue of SMS messages more than one
SMS gateway per subnet. The queue is designed to have not more than 10
SMS messages per gateway at the same time.
5.6.2.
GSM modem configuration
The modem configuration is fixed in the actual version. By clicking the GSM
modem configuration radio button, a dialog for selecting the modem type and
baud rate is provided. The modem type and values cannot be selected. For the
applications with this version, the INSYS GSM 2.0 or Siemens M20 is
recommended.
The phone card should be the type without a PIN code. The reason for this is
that WebREF is not requesting for PIN at power up.
Phone cards which do not allow "Disable request for PIN at
powerup" can not be used. A phone card without a PIN code has
to be used.
24
REF 542plus
Multifunctional Protection and Switchbay
Control Unit
Installation Manual for Web Interface
Installation manual
1MRS755865