How do you connect an operator panel (ProTool) to an H system (S7-400H)? - ID: 13595393 - Industry Support Siemens
RS485 to RS485 Repeater Manual | AMSAMOTION Industrial Automation Supplies
SIEMENS 6ES7972-0AA01-0XA0 SIMATIC DP, RS485 REPEATER FOR THE CONNECTION OF PROFIBUS/MPI BUS SYSTEMS WITH MAX. 31 NODES; MAX. 12 MBIT/S, DEGREE OF PRO- TECTION IP20 from China manufacturer - Shenzhen Juson Automation