The EVSE Directory · Field sheet · Sierra Wireless / Semtech · MDM-APN
MDM-APNWrong APN after SIM swap
Sierra Wireless / Semtech · AirLink modem · Modem / cellular
Verified 2026-08-012 field confirmsSeverity: medium ~60 min
Safety
Qualified EVSE personnel only. Follow site LOTO and OEM HV boundaries.
Full procedure requires solo+
Symptom teaser: Wrong APN after SIM swap — classic Soft-offline after carrier change. Field techs should correlate HMI/Cloud timestamps with RSSI ok ≠ stable websocket — check …
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