CP 443-1 Basic for S7-400
The Siemens 6GK7443-1BX00-0XE0 is a CP 443-1 Basic communications processor. As the 'Basic' variant, it provides standard Ethernet connectivity—sufficient for most plant-floor networks without the advanced routing or security features of the Advanced model.
The exact order code 6GK7443-1BX00-0XE0 matches the Siemens catalog; no alternate or cross-reference from other manufacturers is recorded.