Smart SCADA high availability can be achieved by using any of the Aprisa LTE interfaces as an alternate /
protected path to the LTE cellular path as shown in Figure 4 (and as alternative to dual SIM/operator high
availability solution). The Ethernet / Fiber optic / Wi-Fi interfaces can be used as a protected routing path
to the LTE cellular path. The Aprisa LTE router supports alternate routing and routing path metric priority.
Figure 4 Smart SCADA LTE path and Any Interface Alternate Path Application
The Aprisa LTE can be used in harsh environments like electrical substations, supporting IEEE 1613
(requirements for communications networking devices installed in electric power substations) and IEC
61850-3 (general requirements for communication networks and systems for power utility automation)
standards. In addition, the Aprisa LTE is can be fitted with an optical fiber interface SFP which is particularly
immune to noise generated in a substation environment as shown in Figure 5.
Figure 5 Smart SCADA in Substation Harsh Environment Application
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