Juniper Systems TK6000 Cell Modem - Manual (Page 12)

1
Cell Modem Expansion Pack
If a SIM card has been installed and there is still an
error a new SIM card may be required.
3.
If the SIM card is not present or functional, it is still
possible to send commands to the modem.
Cell Modem Operation
Once the cell modem expansion pack has been properly
configured and set up, the following icons can be
displayed on the status star:
No SIM Card icon—This icon notifies the user that:
a) no SIM card is installed and b) it will be
impossible to create an internet connection using the cell
modem until a valid SIM card is installed.
No Internet Connection icon—This icon is displayed
when there is no internet connection present or if
the internet connection has been dropped. There are two
ways to (re)establish an internet connection when the cell
modem expansion pack is properly installed and has a
valid SIM card installed: