【資料成文時間】：未知
【語言】：en
【頁數(shù)】：43
【何人（公司）所著】：nokia
【文件格式】：doc
【文件原名】：
【摘要或目錄】：
1Introduction4
1.1Capacity of Nokia switches5
2Architecture6
2.1Block diagram of the DX 200 MSCi6
2.2Maximum capacity of the VLR7
3Hardware8
3.1Cabinets in the MSCi/VLRi8
3.2Cartridges10
3.3Plug-in units10
4Units in the DX 200 MSCi/VLRi11
4.1BSU - Base Station Signalling Unit11
4.2BDCU - Basic Data Communications Unit12
4.3CMU - Cellular Management Unit14
4.4CM - Central Memory15
4.5CASU - Channel Associated Signalling Unit16
4.6CHU - Charging Unit17
4.7CLSU - Clock System Unit18
4.8CLBU - Clock and Alarm Buffer Unit19
4.9CCMU - Common Channel Signalling Management Unit20
4.10CCSU - Common Channel Signalling Unit22
4.11CDSU - Compact Data Service Unit23
4.11.1CDSU General Pool (CDSU Pool)23
4.11.2CDSU UDI Pool (NDSD Pool)25
4.11.3CDSU NDSM Pool26
4.12ECET - Echo Cancelling and Terminal26
4.13ET - Exchange Terminal28
4.14GSW 2048 - Group Switch 204829
4.15M - Marker31
4.16MB - Message Bus32
4.17MFSU - Multifrequency Signalling Unit32
4.18OMU - Operation and Maintenance Unit33
4.19PDFU - Power Distribution Fuse Unit34
4.20PAU - Primary Rate Access Unit35
4.21STU - Statistical Unit36
4.22SD4C-A - Storage device cartridge37
4.23VLRU - Visitor Location Register Unit38
Appendix: Summary table of MSCi39
References43

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