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sdh-multiplexer for input / output level stm-1 and access, consisting of, set: (fox 515) set-t 11) chassis 19 , set to install chassis 19, front panel pcs 12 ) ventilation unit (fanu5) pcs 13) power supply module (posum) pcs 24) central processor module (cobux) pcs 25) communication module of s-bus bus with p-bus (synac) pcs 26) aggregate module of optical data transmission ( synuf) pcs 27) sfp l-1.
The system uses two standard industrial buses: its P-bus (CAN) for field instrument communications and an S-bus (Ethernet) for communication between FREELANCE 2000 Process Stations, Operator Stations and Engineering Work Stations.