Product Info
Table Of Contents
- Maintenance
- 1 About this document
- 2 Preparations for maintenance
- 3 Periodic maintenance
- 4 Adjusting the 13 MHz clock
- 5 Troubleshooting
- 6 Replacing units
- 7 LED indicator conditions
DN9913495 © Nokia Corporation Draft 7 (52)
Issue 3-0 en Nokia Proprietary and Confidential
List of tables
Table 1. Power supply rules during maintenance procedures 15
Table 2. Troubleshooting checklist 24
Table 3. LED conditions for TRX units 47
Table 4. LED conditions for a transmission unit 48
Table 5. LED conditions for an RRI transmission unit’s Flexbus LED. 48
Table 6. LED conditions for an interface unit 49
Table 7. LED conditions of the power supply unit 49
Table 8. LED conditions for the fan unit 50