CONVERTER OPTICAL FIBRE CABLE 820NM TO RS485 BUS TOPOLOGY UP TO 115KBAUD (NOT SUITED FOR PROFIBUS APPLICATIONS) AUXILIARY SUPPLY 24-250V DC AND 110/220V AC WITH ALARM RELAY CONNECT. PROTECTION RELAYS WITH RS485 INTERFACE VIA 9POL. SUB-D-PLUG CONNECT.PC OR MODEM VIA OPTICAL FIBRE CABLE 820NM, ST-PLUG FOR OPT. FIBRE CABLE 62,5 MU-METER FOR MOUNTING ON RAILHs Code : 85176200