Lantronix G520 G520 User Guide - Page 106

10: Services Parameters Link Transmission Procedure Description Defines the control information for IEC-101. Select one of the following options:  Balanced mode for point-to-point operation  Unbalanced mode for polling operations to multiple targets 4. Under IEC 104 Master Configuration, enter the information for the IEC-104 master (control center). See Table 10-16. Parameters ASDU Address COT size Time out T1 Time out T2 Time out T3 Type IP Port Table 10-16 IEC-104 Master Configuration Description Enter the ASDU address. Enter the COT size as one or two octets. Enter the timeout for T1 in milliseconds Enter the timeout for T2 in milliseconds Enter the timeout for T3 in milliseconds Select the interface that the IEC-104 master listens on. Internal - listens on LAN. Select IP and enter port. External - listens on WAN/WiFi/Cellular with automatic fallback IP address of the IEC-104 master (control center). Select the LAN IP address of the gateway or enter a custom IP address. Enter the TCP port number of the IEC-104 master device. The default IEC-104 TCP port is 2404. 5. Click Save & Apply. To configure the serial interface: 1. Go to Serial > Serial 1 (RS232) or Serial 2 (RS485). 2. Configure the serial communication settings to match the serial configuration of the IEC-101 slave. 3. Select the mode as IEC 101 to 104. 4. Click Save & Apply. G520 Series IoT Cellular Gateway User Guide 106