363-206-305
Power
Issue 3 June 2000
4-3
Power Distribution
4
See "Power Requirements" in Chapter 10, "Technical Specifications", for power
dissipation values.
Figure 4-2 shows a typical battery feeder interface for a single shelf.
!
CAUTION:
This information is for a typical application only. Consult 801-525-168, DDM-
2000 Floor Plan Data Sheets, and T-82046-30, Power Systems DC
Distribution Circuit for Digital Transmission System, for proper engineering
of battery plant and feeders.
Figure 4-2. Typical
−
48 Volt Power Supply for DDM-2000 FiberReach Multiplexer
Single Shelf
Protection
Distribution
Fuse Board
RTN (A)
RTN (B)
At -48 V Battery
-48 V (A)
-48 V (B)
-48 V (A)RTN (A)RTN (B) -48 V (B)
12 GA
To DDM-2000 FiberReach Shelf
To Fuse
NOTE
NOTE: Feeder size is selected per T82046-30 and EIM 90MV001, Issue 5.
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