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
18 (50) © Nokia Corporation Draft DN00187365
Nokia Proprietary and Confidential Issue 2-0 en
Caution
Removing the BTS cover
1. Unlock the cabinet lock at the bottom of the BTS.
2. Remove the cover by sliding it upwards to disengage the hooks at the side
of the cover from the locking guides on the BTS chassis.
3. When the cover is free, pull it away from the cabinet and hang it on the
hook at the top left side of the chassis.
You can also remove the cover completely to place it on the floor. Remove
the safety strap before pulling the cover away (see Figure 14).
2.7 ESD protection
Some units in the MetroSite BTS contain electro-static sensitive devices. The
BTS is labelled with an electro-static sensitive device symbol as shown in Figure
1.
Always use an anti-static wrist strap connected to the cabinet ESD stud, whenever
handling electro-static sensitive units. The wrist strap and connection stud is
shown in Figure 2.
Figure 1. Electro-static sensitive device symbol