Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800
Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800
Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800
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teleshema - Free operating instructions of consumer electronics
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Digital cellular system M900/M1800
Digital cellular system M900/M1800 consists of the network subsystem NSS, the base station subsystem BSS and center operation and maintenance OMC.NSS is the Central control and switching of the entire GSM system, it consists of GMSC, MSC/VLR, HLR, AUC and EIR.BSS performs functions related to radio transmission and wired transmission between base stations, it consists of BSC and BTS....
Features OMC M900/M1800
System M900/M1800 OMC system maintenance and management equipment M900/M1800 GSM. The whole system includes configuration management, alarm management, management performance, billing management, security management, and management of customer data. The structure of its network-based LAN, WAN or dial-up call to the network via TCP/IP....
The structure of the system OMC M900/M1800
Given the properties of the structure of a GSM network, the main task of the OMC is centralized maintenance. Each physical component of the system (GSM/MSC/HLR/BSC/BAU) is treated as a network element (NE), managed by OMC. Except BAU, All network elements connected to the OMC through their own modules BAM....
The structural unit BAM
GMSC BAM server running on the Windows NT platform. (For other BAM uses a standard industrial computer). BAM installed in equipment (GMSC/MSC/HLR/BSC) manages the communication with the OMC system.Module BAM plays two important roles in the OMC system. First, it serves as a bridge between the OMC and the core network, i.e. transmits commands OMC hardware, network, and responses from the network transmits to the corresponding terminal of the OMC....
Workstation ??? (WS)
The control terminal MLA is a visual user interface for managing employee and servicing of GSM. He is a computer running Windows. Management software includes a shell OMC and program terminal "client" in each control terminal, such as data management, maintenance, testing, alarm management and billing, statistics, parameters, subscriber data management, maintenance, BTS, etc. These control terminals can perform all operations with systems OMC....
Logical structure M900/M1800 OMC
Logically, the system M900/M1800 OMC consists of servers, terminal management, billing interfaces, interface NM, interface negotiation points and lines of communication between them. The logical structure of the system shown in the figure. The function of each server, NM interface and interface negotiation clause are executed by the server OMC. These functions are arranged inside the server as independent processes....
System software OMC
The control module is fully adapted for the further development of services and technologies as GSM network becomes more complex. This ensures the flexibility and openness of the system.Logically software OMC is divided into 3 parts: OMC server, shell OMC (WS) program and specialized control terminal. TCP/IP is used for communication between these systems, as well as between them and the module BAM, as shown in Fig. 3-5....
Learn more about block BAM
As described above, the module BAM performs two functions: communication and server services. In addition, it provides storage and transmission of messages, alarms and data traffic statistics.Module BAM - this is a key part of the system OMC, with the creation of which was used object-oriented method. The module YOU with GMSC large capacity is connected to the processor via the front control terminal via TCP/IP....
Block OMC SHELL
Shell OMC SHELL is a user interface used for management, operation and servicing of GSM, as well as the communication interface with the client? terminal control. Using shell control terminal can carry out visual inspection on any component of the GSM system. This underlines the property centralized services....
The control terminal OMC
It is a combination of the following specialized functions: Terminal maintenance - the control Terminal billing Terminal traffic statistics Terminal data management Terminal alarm Terminal test Terminal configuration data Terminal maintenance BTS - the control Terminal subscriber data stored in HLR the terminal Operation data management subscribers HLR and terminal alarm OMC differs from the structure described above, Alarm management OMC and ma...
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Digital cellular system M900/M1800 Digital cellular system M900/M1800
Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800
Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800 Digital cellular system M900/M1800