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-506
Install Channel and Drop Test Unit (CDTU) (AUA421)
Summary:
This procedure tells how to install the CDTU in the CDTU slot on the NBS.
1. Remove the outer NBS enclosure and open the electronics compartment door
using the 216-type tool or screwdriver.
2. Locate the mounting location for the CDTU on the NBS (Figure 1).
3. Connect your ESD wrist strap to the ESD GRD ground jack located at the
lower left front of the NBS enclosure.
4. Obtain the CDTU to be installed.
Figure 1 – Front View of Narrowband Shelf
Narrowband
shelf
Channel and DropTest Unit
(CDTU) mounting location
tpa853931-01
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