ZyXEL LTE7490-M904 User Guide - Page 240
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Chapter 24 Cellular WAN Status Figure 175 System Monitor > Cellular WAN Status (Service Information) The following table describes the labels in this screen. Table 100 System Monitor > Cellular WAN Status LABEL DESCRIPTION Refresh Interval Select the time interval the Zyxel Device will check and refresh the fields shown on this screen. Select None to stop detection. Module Information IMEI This shows the International Mobile Equipment Identity of the Zyxel Device. Module SW Version This shows the software version of the LTE module. SIM Status SIM Card Status This displays the SIM card status: None - the Zyxel Device does not detect that there is a SIM card inserted. Available - the SIM card could either have or doesn't have PIN code security. Locked - the SIM card has PIN code security, but you did not enter the PIN code yet. Blocked - you entered an incorrect PIN code too many times, so the SIM card has been locked; call the ISP for a PUK (Pin Unlock Key) to unlock the SIM card. IMSI ICCID Error - the Zyxel Device detected that the SIM card has errors. This displays the International Mobile Subscriber Identity (IMSI) of the installed SIM card. An IMSI is a unique ID used to identify a mobile subscriber in a mobile network. Integrated Circuit Card Identifier (ICCID). This is the serial number of the SIM card. LTE Series User's Guide 240
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