2N NetStar Hardware manual - Manual (Page 39)

39
2.13 GSM Card
The GSM card can be supplies in several HW configurations.
Configuration with 1, 2 or 4 GSM ports (channels)
The exchange of the SIM card in the GSM modules is only allowed if the card
power supply is switched off, i.e. if the system is switched to the maintenance
mode or completely switched off.
An antenna must be connected to the SMA antenna connection; otherwise GSM
module damage may occur.
1x SIM for 1 GSM module is supported
The card is installed into any line position of the basic or the extension modules.
GSM module
Module type – SIEMENS TC35i, SIEMENS MC39
SIM
SIM card type – SIM small 3V