User's Manual
Table Of Contents
- Table of contents
- 1 Notes on the document
- 2 Safety regulations
- 3 Product description
- 3.1 Characteristics of the DIB-R5
- 3.2 Components
- 3.3 Interfaces
- 3.4 Wiring diagrams
- 3.5 Redundancy options
- 3.6 Scope of delivery
- 4 Operation
- 4.1 Safety measures and prerequisites
- 4.2 Switching on the DIB-R5 flexibleTx
- 4.3 Function tests and operational monitoring
- 4.3.1 Work equipment for function tests
- 4.3.2 Connecting the service computer
- 4.3.3 Checking operating states
- 4.3.4 Checking the availability
- 4.3.5 Checking standby carriers ‒ optional
- 4.3.6 Function tests and GNSS operational monitoring
- 4.3.7 Function tests and PTP operational monitoring (optional)
- 4.3.8 Checking external antenna coupling systems
- 5 Service interruption
- 6 Recommissioning
- 7 Maintenance
- 8 Troubleshooting
- 9 Index
Problem Possible cause Troubleshooting
"ALM" LED is on Checking operating state in the NMC-511
FaultManager
Restarting the base station (duration
approx. three to five minutes)
BSCU, CHU defective Electrical connection to back-
plane defective
Check connection to backplane
Power supply missing Check power supply
Fan unit not (completely)
operational
Electrical connection to back-
plane defective
Check connection to backplane
PSU/PSM defective ‒ with V
AC
power supply
Check PSU/PSM
"ALM" LED is on Checking operating state in the NMC-511
FaultManager
Check DIP switches at the rear side of
the fan unit
"FAN 1-6" LED flashes Checking operating state in the NMC-511
FaultManager
Check fan
Troubleshooting
DIB-R5 flexibleTx
85Operation Manual 90DIBR5flexibleTxOM02 - 1.2