363-206-305 Detailed Level Procedures:
Issue 3, June 2000 Page 1 of 4
DDM-2000 F
IBER
R
EACH
N
ARROWBAND
S
HELF
DLP-502
Install
−
48 V DC Power Converter Unit (PCU)
(AUA432)
Summary:
This procedure tells how to install the –48 V DC PCU in the PCU slot on the NBS.
1. Open the electronics compartment door using the 216-type tool or screwdriver.
2. Locate the mounting location for the PCU on the NBS (Figure 1).
3. Connect your ESD wrist strap to the ESD GRD ground jack located at the
lower left front of NBS enclosure.
4. Locate the PCU to be installed.
5. Inspect the unit for damage.
Figure 1 – Front View of Narrowband Shelf
Narrowband
shelf (NSB)
Power converter unit
(PCU) mounting location
tpa853914-01
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