Liberty 100 Smart Electricity Meter Technical Reference Manual
The following steps illustrate how to fit a SIM card:
1. Remove the SIM cover located on the left-hand side of the 10-pin interface connector and keep aside
safely.
2. Open the SIM holder lock by sliding it to the left as shown in the following diagram until a click is heard.
3. Insert the SIM card in the SIM holder with the gold coloured contacts facing down.
4. Close and slide the SIM holder to right to lock it in place as shown in the following diagram.
5. A click sound will confirm the SIM holder is locked. Replace the SIM cover as shown in the following
diagram.
6. Align the 10-pin interface connector with the meter pin socket and carefully press to connect with the
meter.
7. Tighten the two screws on the communications module to secure it to the hub with the meter’s base and
seal.
6.4 Future Hub Variants
The meter’s modular design gives the flexibility to upgrade or change the meter’s communication technology
without changing the base meter or breaking the metrological seals. Depending on the need, the
communications module can be hot-swapped with other compatible variants.
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