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
Call Control
• The link establishment procedure is in accordance with /
GSM 08.58.3.1/ and /GSM 04.06:5.4.1/
20.8 Link Release Indication
Purpose
To release a link layer connection between MS and the network.
Precondition and Initiation
Channel combination supported is defined in section Channel Activation
above.
The Link Release Indication function is applicable for:
•
SAPI-0 on SDCCH and FACCH
•
SAPI-3 on SDCCH, SACCH/T and SACCH/M
The function is initiated when the RBS receives a DISC frame from MS.
Description
The following procedure is used by RBS to indicate to BSC that a link
layer on the air interface has been released by an initiative from the MS
(disconnect). The MS sends a DISC frame on a link layer connection in
multiframe mode. Multiframe mode means that an answer UA
(unnumbered acknowledgment) is required. The RBS then sends a
RELease INDication message to BSC to confirm the release of the link
layer. It is the mobile that takes initiative for the release. This is used
when the signalling between MS and network is done and the link is no
longer needed.
P003017A
BTS
BSC
REL IND
MS
first DISC
UA
Figure 89 Link release indication
• The link release procedure is in accordance with /GSM 08.58:3.3/,
/GSM 08.58:8.3.9/ and for RELease INDication with /
GSM 08.58:8.3.9/.
• Collision cases are treated as specified in Technical Specification
GSM 04.06.
• Fault handling related to the link release procedure is in
accordance with /GSM 04.06:5.4.4/.
200 (421)
EN/LZT 720 0008 R1A
2001-06-26
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