OSM TP62 Optical Switch Module with two LWL Ports 100 Mbit/s, 6 RJ45 Ports 10/100 Mbit/s and with digital inputs redundant 24 V DC infeed, Signaling contact Integrated Redundancy manager with network management
SIMATIC S7-300, CPU 317-2DP, Central processing unit with 512 KB work memory, 1st interface MPI/DP 12 Mbit/s, 2nd interface DP master/slave Micro Memory Card required