Product Info

Table Of Contents

Field Upgrade

32 (50) © Nokia Corporation Draft DN00187365

Nokia Proprietary and Confidential Issue 2-0 en

Caution

Figure 9. TRX slot order

5.1 Upgrading by replacing TRXs

5.1.1 Removing TRX units

Refer to the power supply requirements in Table 1 before working on the TRX

units.

To make it easier to remove the antenna connectors, remove the TRX units in the

following order: TRX 3, 4, 1, 2 (see Figure 9).

Removing TRX units

1. Connect your Nokia BTS Manager PC to the LMP connector on the

interface unit.