Product Info
Table Of Contents
- Field Upgrade
- 1 Overview of field upgrade
- 2 Preparing for upgrade
- 3 Replacing the power supply unit
- 4 Replacing the cooling fan
- 5 Replacing or installing new TRX units
- 6 Chaining Nokia MetroSite EDGE BTSs
- 7 Commissioning for upgrade
- 8 Completing the upgrade
Field Upgrade
26 (50) © Nokia Corporation Draft DN00187365
Nokia Proprietary and Confidential Issue 2-0 en
Note
2. Disengage and remove the cable cover support plate.
3. Remove all connecting cables to the units.
All connecting cables must be removed in order to replace the cooling fan outer
sealing gasket.
4. Detach the outer sealing gasket at the point where it covers the cable entry
block, see (A) in Figure 5.
5. Remove the two 4 mm (0.157 in) Allen screws on the cable entry block.
See (B) in Figure 5.
6. Open the cable entry block at the point where the cables are routed. See
Figure 8.
7. Disengage the cables from the cable entry block.
Figure 5. Sealing strip and cable entry block
A
Sealing strip
Allen screws
M6
Allen key 4 mm