PFH-4 Power Feeding Hub from RAD
PFH-4 is a standalone remote power feeding hub that delivers power and data to up to four SHDSL lines and eliminates the need for locally powered modems or repeaters. The RAD PFH-4 combines power and data on up to four pairs of lines through input and output terminal block connectors. The PFH-4 hub supplies each line with 120 or 180 VDC at a maximum of 60 mA. All lines are protected from overload, short-circuiting, and leakage to earth. At overload, a current limiter stops the power feeding, activates a LED alarm, and initiates auto-restart recovery. A dry contact relay outputs major and minor alarm warnings to a DB-9 connector. Front-panel LEDs indicate the power feeding status for each line and provide warnings for current and temperature overload conditions. The external DIP switch enables selective power feeding for each individual line.
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