FEC AFC1200 - Manual (Page 12)

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3.2.6 PRBU-DFT Unit (Preamplifier Cable Extender)
P This unit can extend the preamplifier cable of the DFT tool up to 100 feet.
P The maximum length of the preamplifier cable without this unit is 50 feet.
P An external power supply is not required for this unit.
P Figure 3-2-6 below illustrates the Unit dimensions (in millimeters), and the
recommended positioning of the Unit within the system.
FIG. 3-2-6 PRBU-DFT Preamplifier Cable Extender
Chapter 3: System Description User Console Version A3.53
Page 3-12
POWERHEAD
INSERT PRBU-NFT UNIT
FOR ALL PREAMP CABLES
CABLE LENGHT: 50' MAX. CABLE LENGTH: 50' MAX.
AT THE MIDDLE OF THE TOTAL
HOME RUN CABLES LENGTH.
ENCLOSURE