Multifunction Ethernet Switch PLC communication and Data Exchange between Siemens S7 1200 S7 1500 S7 300 S7 200 SMART module|Instrument Parts & Accessories| - AliExpress
6GK5208-0BA10-2AA3 | Siemens Ethernet Switch, 8 RJ45 port, 24V dc, 10/100Mbit/s Transmission Speed, DIN Rail, Wall Mount | RS Components