User guide

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3.2.4 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 3-2-4 below illustrates the unit dimensions (in millimeters), and the
recommended positioning of the unit within the system.
PRBU-DFT
MAX. 50 FEETMAX. 50 FEET
AFC1200 ENCLOSURE
POWERHEAD
FIG. 3-2-4 PRBU-DFT Preamplifier Cable Extender
Chapter 3: System Description (Rev. 8/98)
Page 3-9