NexSens Technology X2-CB, User Manual

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5. Invert the logger plate and remove the (8) 8-32 x 1/2 screws holding the X2 enclosure to the metal plate
using a Philips-head screwdriver.
a. Gently lift the enclosure to expose the RTU PCB of the X2. Statically ground yourself prior to
touching any of the electronics inside the X2 logger.
6. Disconnect the 4-pin Molex connector between the enclosure and the X2 data logger.
7. Locate the SIM slot tray on the cell modem. NexSens provides two distinct modem models within an X2
data logger.
a. Devices sold within the United States, and certain international shipments, will have an AT&T, Verizon,
or NA4G modem outlined in the schematic on the left below.
b. Devices sold internationally that do not support the frequency bands with the modems described above,
will have the CAT-M Worldwide modem outlined in the schematic on the right below.
Remove the X2-CB/X2-CBMC housing screws.
Disconnect the Molex power connector.
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