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CP 443-1 Two RJ45 ports with 10/100 Mbps full/half duplex with autosensing and autocrossover functionality via integrated 2-port switch Communication services of the interface:Open communication (TCP/IP and UDP): Multicast with UDP, including routing between both interfaces PG/OP communication: Inter-network with S7 routing S7 communication (client, server, multiplexing) including routing between both interfaces S7 H communication for S7-400 H systems, now also across network boundaries (ISO-on-TCP) Certified PROFINET IO controller with real-time properties (RT and IRT) IP address assignment via DHCP, simple PC tool or via program block (e.g. for HMI) Media redundancy (MRP):Within an Ethernet network with ring topology, the CP supports the media redundancy procedure MRPMRP as an MRP Manager and as an MRP Client Diagnostics and network management:Comprehensive diagnostics functions for all modules in the rack (including graphical diagnostics, e.g. topology) Integration in network management systems due to support of SNMP V1/V3 Security mechanisms: Configuration of all functions with STEP 7 V5.5 SP2; configuration with STEP 7 Professional V11 only with a limited range of functions of the predecessor CP 443-1 (6GK7 443-1EX20-0XE0) possible When using the blocks AG_SSEND (FC53), AG_SRECV (FC63), TSEND (FB63), TRCV (FB64), TCON (FB65) and TDISCON (FB66), please note the following information: http://support.automation.siemens.com/WW/view/en/60037071 Module replacement without programming device: All information can be stored on the CPU