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-500
Perform Visual Inspection of
the Electronics Compartment
1. Open the electronics compartment door using the 216-type tool or screwdriver.
2. Verify that no plug-in units are installed in the NBS slots (Figure 1).
3. Remove any units that are installed.
4. Verify that NBS is mounted correctly and free of defects or damage.
5. Verify that there are no broken, bent, or misaligned contacts on the backplane
connectors.
6. If problems exist, contact responsible installation group or call
1-800-255-RTAC .
7. Is one channel unit plug-in of any type available?
8. Check for a misaligned or bowed shelf by inserting a channel unit into slot 1 of
NBS shelf.
9. Check that channel unit inserts properly.
If YES, continue with Step 8.
If NO, proceed to Step 12.
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