SIMATIC S7-400, COUPLING MODULE CP 441-2 FOR POINT-TO-POINT CONNECTIONS, 2 CHANNELS INCLUDING CONFIGURATION PACKAGE ON CD SIMATIC S7-400, COUPLING MODULE CP 441-2 FOR POINT-TO-POINT CONNECTIONS, 2 CHANNELS INCLUDING CONFIGURATION PACKAGE ON CD SIMATIC S7-400 Communications processor CP 441-2 PtP With 2 channels for point-to-point connections