User manual SEFELEC 5x Series 5 v1.0617.1.8. Malware Defences: .......................................................................................................................... 16717.1.9. Secure Maintenance: ....................................................................................................................... 16717.1.10. Business Continuity/ Cybersecurity Disaster Recovery: .................................................................. 168First Time Connection - White list ..................................................................................................... 168Connection examples ......................................................................................................................... 16917.3.1. Single connection between a PC and a device with a fixed IP address ............................... 16917.3.2. Connection between a PC and a device through a network ................................................... 170Setting of the Ethernet card of the PC under Windows XP ........................................................... 17017.4.1. Procedure to be followed ............................................................................................................. 171Setting of the Ethernet connection on the device ........................................................................... 17217.5.1. DHCP (Dynamic Host Configuration Protocol) ......................................................................... 17317.5.2. IP Address ...................................................................................................................................... 17317.5.3. Network mask ................................................................................................................................ 17317.5.4. Protocol and communication port ............................................................................................... 17317.5.5. Syntax rules ................................................................................................................................... 17317.5.6. List of ETHERNET commands .................................................................................................... 17417.5.7. Orders ............................................................................................................................................. 17417.5.8. Error Message ............................................................................................................................... 17417.5.9. Malfunction ..................................................................................................................................... 175RS232C interface ............................................................................................................................................ 176List of RS232C commands ................................................................................................................ 17818.1.1. General Commands ...................................................................................................................... 17818.1.2. Standardized commands ............................................................................................................. 17818.1.3. Standardized queries .................................................................................................................... 17918.1.4. Commands dependent on the device ........................................................................................ 18118.1.5. Request depending on the device .............................................................................................. 18318.1.6. RS232 / IEEE488-2 commands summary................................................................................. 18418.1.7. Operation fault of the RS232C series connection .................................................................... 185