Reference Manual
Table Of Contents
- RBS 2206 Reference Manual
- Contents
- Preface
- Product Safety Requirements RBS 2000
- Environmental Capabilities
- Scope
- Terminology
- References
- Transport -40 C - +70 C
- Storage -25 C - +55 C
- Handling -40 C - +70 C
- Operation Indoor +5 C - +40 C
- Operation Outdoor -33 C - +40 C
- Operation Outdoor -33 C - +45 C
- Operation Outdoor -33 C - +55 C
- Operation Mast Mounted Equipment -33 C - +45 C
- Operation Mast Mounted Equipment -33 C - +55 C
- Radio Configurations, RBS 2206
- Product Data
- Unit Description, DXU-21
- Unit Description, dTRU
- Unit Decription, CDU-G and CDU-F
- Unit Description, CXU-10
- Unit Description, FCU-01
- Unit Description, DC-Filter 01
- Unit Description, PSU 1200 W
- Unit Description, ACCU/DCCU
- Unit Description, IDM
- Broadcast
- Common Control Channel Handling
- Physical Channel Handling
- Speech and Data Services
- Packet Data Services
- Call Control
- References
- Channel Activation
- Adaptive Frame Alignment
- Asynchronous Handover Detection
- RF Channel Release
- Deactivate SACCH
- Link Establish Indication
- Link Release Indication
- Link Establishment Request
- Link Release Request
- Transparent Message Transmission
- Transparent Message Reception
- SACCH Info Modify
- LAPDm
- Channel Reactivation
- Power Information
- GPRS, Physical Link Layer
- Base Station Power Control
- Channel Measurements
- Discontinuous Transmission
- Frequency Hopping
- Encryption
- Mode Modify
- Mobile Station Power Control
- Short Message Service
- Diversity Supervision
- Synchronization
- Radio Reception
- Radio Transmission
- Frequency Allocation Support
- Restart and Recovery
- Function Change
- Functionality Administration
- Operation and Maintenance Support
- References
- Concepts
- Buttons
- Change RU to Local Mode
- Change RU to Remote Mode
- Change RU to Remote Mode Cancel
- Change SW Power Boost Slave RU to Local Mode
- Loop Control
- RF Loop Test Supervision
- Calendar Time Request
- RSSI Temperature Compensation
- Max Cooling
- Fault Indicator
- BS Fault Indicator
- Operational Indicator
- Tx Not Enabled Indicator
- Local Mode Indicator
- External Alarms Indicator
- DC Disconnected Indicator
- Battery Mode Indicator
- Bat Disconnected Indicator
- AC Fault Indicator
- Test Result Indicators (not used)
- Local Mode in Progress
- Installation Data Handling
- Self Test and Supervision
- Diagnostics and Fault Handling
- Operation and Maintenance Terminal
- External Alarms
- Handling of Auxiliary Equipment
- Climate Protection
- EMC Capabilities
- Transmission Interface Handling G.703 2048 kbit/s
- Transmission Interface Handling DS1 1544 kbit/s
- Terrestrial Link Handling
- Channel Distribution Function
- Transport network O&M functions-DXX Support
- BTS Parameter Limitations
- Glossary
Self Test and Supervision
Preconditions and Initiation
Initiates when the signalling multiplexing application is started in the
CMRU and when the corresponding application handling the signalling
endpoints on the DMRUs, are started.
Description
The relation between the reflected power and the output power can be
described by the voltage standing wave ratio (VSWR). The more
reflection the higher value of the VSWR. At no reflection at all the
value of VSWR will be equal to 1 and at total reflection the value of
VSWR will be very large. The higher value of the VSWR the higher
value of the return loss.
There are two kinds of return loss the Tx feeder return loss and the Tx
feeder normal return loss. The Tx feeder Return loss, that is, the RF
attenuation between the RBS cabinet and the antenna (the cable and
cable connections) including an ALNA/TMA shall be in the interval 0-
4 dB. The Tx feeder normal Return loss, that is the total attenuation
from the RBS cabinet and to the antenna and back to the cabinet (that is,
the attenuation at the cable to the antenna and from the antenna, cable
connections, ALNA/TMA, and the antenna). The attenuation should be
≤-14dB if the Tx feeder loss is ≤ 2dB and ≤-18dB if the Tx feeder loss
> 2dB. If VSWR is too high a message is sent to the fault handling. It
is possible to set two disturbance parameters from the OMT.
The two disturbance VSWR levels are in the range of 1.5-2.8. Allowed
alarm level VSWR values are: 1.5, 1.6, 1.7, 1.8, 2.0, 2.2, 2.5, 2.8. The
transmitter at the TRU measures the VSWR signal and if the signal is
to high it may be harmful to the power amplifier. If the VSWR signal
is too high the transmitter may reduce or turn off its output power.
40.4.7 Receiver Antenna
This is described within the context of Diversity Supervision
40.4.8 Layer 2 Data Link Transmission
Purpose
To check the number of aborted and erroneous frames received by the
CMRU from the DRMUs.
Preconditions and Initiation
Initiated when the signalling multiplexing application is started in the
CMRU and when the corresponding application handling the signalling
endpoints in the DMRUs is started.
Description
Signal messages between the CMRU and the endpoints of the DMRUs
are supervised by the following events and conditions:
• Number of aborted frames received
• Number of error frames received
310 (421)
EN/LZT 720 0008 R1A
2001-06-26
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