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These notes are created by me for the benefit of those who are keen to gain a theoritical introduction to South Indian Classical Music which is also popularly known as Carnatic Music. Thi…Full description
Basics of PoTDM Alcatel-Lucent Managed Solutions India Ltd. 21-Mar-2014
Packet A-bis Over TDM
- Benefits
Operator Can utilize the existing installed TDM Infrastructure. This Feature offers significant BW Savings in comparison with Traditional TDM Transport. Feature such OSC or EDAP Enhancement can be fully introduced without increasing the backhaul BW requirement. Offering Significant Saving In OPEX due to cost effective physical Media. Cost Reduction Due to Simplified Operations: Like Very Minimal Configuration changes in A-bis Interface in case air interface is changed for example BTS in upgraded with New TRXs. A-bis BW can be gained with PoTDM : -Removing unnecessary bits and header information - All Traffic is pooled to the same BW. - BW Requirement is no longer constant and depends on actual need. - Saving due to shorter and less silence frames. BW Can be shared by CS-PS Traffic- There are no Pre-defined limitations except the Total BW provided by Physical Links.
ETP Capacity Information: ETP can only handle either Packet A-bis over Ethernet connections or
Packet A-bis over TDM connection at the same time. ETP can handle maximum 256 BCFs. The mcETP can handle a maximum of 1100 BCFs. ETP can handle certain maximum amount of logical PCUs. • Up to 32 logical PCU2-Ds can be connected to one ETPT. • Up to 8 logical PCU2-Es can be connected to one ETPT. • Up to 11 logical mcPCUs can be connected to one mcETP. One ETP card converts up to 8192 CS channels from A-ter/TRAU to Packet A-bis packets and vice versa. In Packet A-bis over Ethernet, A-bis signaling (TRXSIG, OMUSIG) between BCSUs and BTS sites is not going through ETPE in contrary to the Packet A-bis over TDM where the A-bis signaling is going through ETPT.
Packet A-bis Over TDM
-ETPT Card Over View
FOR CS user part
FOR PS user part Towards Site witch/Router Towards STMU
Packet A-bis Over TDM
-Functional Description
PREREQUISITES Min Software Requirements:BSC ->S15 PP 1.2-1 Flexi EDGE BTS ->EX4.0 BT plus BTS ->Supported via the feature RG301397 “Cositing with BS2xx” Flexi Multiradio BTS-> EX4.1 NetAct ->OSS 5.2 CD Set 3
Hardware requirements:BSC BSC3i 1000 (one cabinet): Maximum of 2+2 ETP Modules. BSC3i 2000 (two cabinets): Maximum of 6+6 ETP Modules. FlexiBSC: Maximum of 6 + 6 ETP Modules. ESB24 D : 2 numbers PCU: min two PCU2D/PCU2E one each in working and spare BCSU Flexi EDGE BTS the FIYA/FIYB or FIQA/FIQB modules are required for the Flexi EDGE. For synchronization, FIQB/FIYB is the required module. Up gradation kit It includes ADMODs,CABID,CARID,SFPmodules 8520&8521 ,Hot link cables and Backplane cables. 6 Straight Ethernet cables 4 from LANUs ,from ETPEs to Site Switches.
Flexi BSC with
ESB24-D
Standard LAN Connectivity as in NED (Recommendation) •PCULAN & CPULAN interconnected using backplane LAN Management Cable Nos. BSCC_116 & BSCC_146 •LANU0 & LANU1 interconnected using front panel Cable Nos. BSCC_168/460/461/462 •CPULAN connected to Routers from both ESB front ports ETH1 & ETH23 •PCULAN connected to Routers from SWU2 & SWU3 front ports ETH1 & ETH23
LAN Connectivity Changes
•Do not put cables connecting ETH23 to site routers from SWU0/1/2 & 3.
