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What needs to be done before switching on the GSM-2110 / -4110 the first time?

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What needs to be done before switching on the GSM-2110 / -4110 the first time?

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The GSM-2110 / -4110 is delivered with the PIN card code 4711. The SIM card should be either first programmed with this PIN code, or alternatively the PIN function should be disabled. The GSM-2110 / -4110 will recognize an incorrect PIN code and, after two read attempts, it will indicate a fault condition by blinking the “OK” LED lamp.

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