CLSS Gateway - Installation and Users’ Manual | P/N:LS10248-000HW-E | REV. F | FEB/11/2022 27
Gateway Board Connection Options Installation
3. Open the enclosure door.
4. On the top edge of the gateway, plug the cellular module onto the 40-pin expansion
slot (see Figure 4.6).
Figure 4.6: Installing the Cellular Module
5. Secure the cellular module with the retention strap and a screw, which come with the
module (see Figure 4.6).
Replacing the SIM Card
The cellular module comes with a factory-mounted SIM card. If necessary, replace it as
follows:
1. Open the gateway door.
2. Remove the NUP cable or the 24v DC power cable to switch OFF the gateway board.
3. Remove the retention strap screw and the retention strap (see Figure 4.6).
4. Slide the cellular module upward to disconnect it from the gateway board.
5. Carefully remove the back cover of the cellular module.
WARNING: DO NOT USE THE SCREW ON THE TOP EDGE OF THE CELLULAR MODULE. IT WILL
ADVERSELY AFFECT THE RADIO PERFORMANCE. REFER TO THE DO NOT USE THIS SCREW SHOWN IN
THE FIGURE 3.4.
WARNING: FAILURE TO USE THE RETENTION STRAP MAY ADVERSELY AFFECT THE AERIAL
PERFORMANCE.
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