SIP-2COMMUNICATION NODE TYPE SIP-2 29/145USER GUIDE - Rev. 3 (January 2018)2.6 WAN INTERFACEWhen the SIP-2 is fitted with a WAN interface, as can be seen in FIGURE 14, there is aSMA female connector for antenna, as well as two slots for housing SIM cards.SIM B is the top card and SIM A the bottom card. Both SIMs CANNOT be activatedsimultaneously. In the case of dual SIM operation, one SIM acts as the primary one and theother as the secondary or back-up one.FIGURE 14 Detail of the SMA connector and of the slots for housing WAN interface SIM cardsThe inserting and removing procedure of the SIM cards is indicated in the following. Beforeinserting a card, it must be suitable arranged in the card holder (see figure).
