SIEMENS 6GK7 545‑1GX00‑0XE0 Brand New S7 1500 CP Modules

CP 1545‑1 – Gigabit Ethernet co‑processor similar to CP 1543‑1 but optimized for I/O‑Link and basic integration. Provides TCP/IP, UDP, S7 communication. Supports VPN, firewall, SNMP v1/v3. Good for mid-range Ethernet setups where full CP1543 security isn’t necessary.