Chapter 2 – Hardware Information 7IOT Gateway System SRG-33522.3 List of ConnectorsThe SRG-3352 features several connectors which can be configured for yourapplication. This section details those connections and their specifications.Label FunctionSW1 Reset ButtonCN1 Power InputCN6 RJ45 LAN ConnectorCN7 RJ45 LAN ConnectorCN8 RS-485 Connector x 2CN11 NB-IoT 2x5P connectorCN18 Micro USB connectorCN21 Mini card slotCN22 USB 2.0 Type ACN24 Micro SIM card socket