Siemens 6GK7545-1GX10-0XE0 Communication Processor. Siemens 6GK7545-1GX10-0XE0 is the exact manufacturer order number for a communication processor in the SIMATIC NET Industrial Communication portfolio. Siemens describes this exact reference as: Communications processor CP 1545-1 for connecting SIMATIC S7-1500 to Industrial Ethernet; TCP/IP, ISO, UDP, S7 communication, security (VPN, firewall), SNMPv1/v3, DHCP, FTP client/server, email, IPv4/IPv6, IEEE 802.1X (radius), time synchronization via NTP, connection to cloud systems via MQTT, 1x RJ45 (10/100/1000 Mbps). The verified manufacturer lifecycle record is PM300: Active Product.