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FSM103, FSM203 USER MANUAL
12
2.2.3.
Power supply
Power supply connector is a 2-position screw plug type (for 2-2.5 mm 2 wire) used for
connecting the modem to a DC power supply
certified to IEC 60950-1:2005 + A1:2009 + A2:2013.
For security reasons power supply input includes series 1A fuse and reverse polarity
protection.
So polarity is irrelevant and maximum consumption is 3VA.
Nominal input voltage is 48 VDC and the range is 36 to 60 VDC.