The EM-4GE2 is configured with Dual Wireless Mobile Network Cards. Each SIM Card must be provided by two separate network service carriers. This ensures that if one network is down the secondary SIM Card will operate in its place.

The priority for which network carrier you wish to utilise can be set by the user. If the system detects a network failure the secondary SIM Card will be selected to ensure a connection to the help line is attained.

The PTE-3G is the card that connects the system to the 3G Network, in this cabinet there are two SIM Cards used to back up the network carrier from one provider to another – Telstra – Optus – Vodafone.

The PTE-FXS (Foreign eXchange Subscriber) interface card is the port that delivers the analogue line to the auto dialling telephone. In other words it is the “plug on the wall” that delivers a dial tone, battery current and ring voltage.

The EM-4GEO is configured with a single FXO card and a Wireless Network SIM Card. In this configuration the FXO can be used as the primary call out line and if failure occurs the back up call will utilise the Single Network Service to make the call. The FXO can be
connected to UNI-V, PABX, or to the VoIP system through the FXS port.

The PTE-3G is the card that connects the system to the 3G Network Service, in this cabinet there is a single 3G Card is used for back up. The PTE-FXS (Foreign eXchange Subscriber) interface card is the port that delivers the analogue line to the auto dialling telephone. In other words it is the “plug on the wall” that delivers a dial tone, battery current and ring voltage.

The PTE-FXO (Foreign eXchange Office) interface is the card that receives the analogue line from other devices – UNI-V, PABX or VoiP gateway with an analogue port. This card has the same specifications of a analogue telephone.