Prerequisites
● Tools: ESD wrist strap, ESD gloves
● Materials: A spare SIM card of the same model is available and functional.
Procedure
Step 1 Record the positions of the signal cables connected to the panel of the ECC800-
Pro main control module, and then disconnect the signal cables.
Step 2 Loosen the screws on both sides of the panel of the ECC800-Pro main control
module.
Step 3 Pull the handles on both sides of the panel of the ECC800-Pro main control
module, and remove the main control module.
Figure 6-46 Removing the ECC800-Pro main control module
Step 4 Remove the SIM card from the card slot.
Figure 6-47 Removing a SIM card
Step 5 Insert the new SIM card into the card slot.
Figure 6-48 Installing a SIM card
FusionModule800 Smart Small Data Center
User Manual 6 O&M
Issue 01 (2021-02-05) Copyright © Huawei Technologies Co., Ltd. 460
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