Nortel Networks 411-2021-111 manual TX/RX, 3 RX

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3-20Cell Site Layouts

Table 3-9

RMC to splitter connections for a 120° STSR Metrocell with three RF Frames (continued)

 

From

Through

To

 

 

 

 

 

 

Diversity antenna, Sector X

RMC 1B - B9

RF Frame 3

Splitter 4

Sector Z

 

 

TRU shelf 3

 

Diversity antenna, Sector Y

RMC 2B - B9

Splitter 5

 

 

 

 

 

 

Diversity antenna, Sector Z

RMC 3B - B9

 

Splitter 6

 

 

 

 

 

Component requirement

Table 3-10 lists the components required for a 120° STSR Metrocell with one RF Frame and Table 3-11 lists the components required for a 120° STSR Metrocell with three RF Frames. Both configurations require three Receive Multicouplers (RMC).

Table 3-10

Component requirement for a 120° STSR Metrocell with one RF Frame

No. of TRUs

No. of TRUs

No. of ATCs

No. of

No. of ICRM

No. of antennas

per Sector

 

 

Duplexers

TCM Port

 

 

 

 

 

cards

 

 

 

 

 

 

 

3 to 8

9 to 24

3

3

2

3 TX/RX, 3 RX

 

 

 

 

 

 

Note: An additional TCM port card is required for the DRUM, the ACU and the CSM2.

Table 3-11

Component requirement for a 120° STSR Metrocell with three RF Frames

No. of TRUs

No. of TRUs

No. of ATCs

No. of

No. of ICRM

No. of antennas

per Sector

 

 

Duplexers

TCM Port

 

 

 

 

 

 

cards

 

 

 

 

 

 

 

 

 

3 to 20

9 to 60

9

3

6

3

TX/RX, 3 RX

 

 

 

 

 

 

 

21 to 24

63 to 72

9

6

6

6

TX/RX

 

 

 

 

 

 

 

Note: An additional TCM port card is required for the DRUM, the ACU and the CSM2.

411-2021-111 Standard 01.01 June 1996

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Contents DualMode Metrocell Page Page Publication history JuneContents Datafilling a Metro Cell Site Power and Grounding RequirementsCell Site Components AppendicesBlock diagram of a 120 Stsr Metrocell using one RF Frame List of tablesPage About this document Intended audience for this publicationHow this publication is organized Applicability of this publicationBand List of termsCarrier RF DBW CellDBm DuplexerIsolation FilterForward path LossDqpsk ModulationOmni Return lossSector Signal RFSectorization Stsr Introduction Northern Telecoms DualMode MetrocellSystem architecture of a DualMode Metrocell Digital ready cellular productBasic components of a DualMode Metrocell Universal CE Frame Metro RF FrameChannel assignment for 800 MHz cellular systems 800 MHz cellular bandChannel assignment Band a 416 channels Band B 416 channels Introduction 6Introduction Standard 01.01 June Omni configuration Cell Site ConfigurationsOverview Sectorized configuration Omni N=7 frequency reuse plan120 N=7 sectorized frequency reuse plan 60 N=4 sectorized frequency reuse plan Omni cell site configuration Cell Site LayoutsControl Channel redundancy RF FrameCell Site Layouts 4Cell Site Layouts Transmit cabling TRU/DPA6Cell Site Layouts No. Receive cablingComponent requirement Frames TRUs ATCsStsr cell site configuration CE Frame Block diagram of a 120 Stsr Metrocell using one RF Frame RF FrameBlock diagram of a 120 Stsr Metrocell using three RF Frames 12Cell Site Layouts DPA 9 Port1 CCH ATC3 Port DPA 10 Port1 14Cell Site Layouts TRU/DPA ATC 16Cell Site Layouts Sector Sector Y Sector ZSector Y TX/RX, 3 RX Sector U Stsr cell site connectionControl Channel Locate Channel Receiver Sector Sector W22Cell Site Layouts Block diagram of a 60 Stsr Metrocell with two RF Frames 24Cell Site Layouts Block diagram of a 60 Stsr Metrocell with four RF Frames 26Cell Site Layouts Transmit cabling 28Cell Site Layouts TRU/DPA 30Cell Site Layouts Port2 ATC3 Port DPA Port1 RF Frame 32Cell Site Layouts Receive cabling 34Cell Site Layouts Sector Y 36Cell Site Layouts Component requirement 38Cell Site Layouts Standard 01.01 June Cell Site Components Major components of a DualMode Metrocell DescriptionNTAX98AA FRU Customer Service Operations 4Cell Site Components Standard 01.01 June Power and Grounding Requirements Safety requirementsPower and grounding requirements Power and Grounding Requirements 4Power and Grounding Requirements Frame power distribution Power distribution for the CE and RF Frames in a MetrocellSystem power protection Grounding UL/CSA approvalCEC par DC coupled signals Cable Identification 10Power and Grounding Requirements Standard 01.01 June Datafilling a Metro Cell Site Datafill OverviewTable Clli Table AcualmMetro RF Frame ATC Alarm PointsCavities Fan Pwr Hsmo +27V a Table VCHINV, CCHINV, Lcrinv Rip Connector J206Port # Frequency Assignment Example Example of Metro TRU datafillExample of Metro ICRM/TRU hardwire configuration Icrm8Datafilling a Metro Cell Site Standard 01.01 June System Configuration Appendix a DualMode Metrocell Cell Site SpecificationsRadio Frequency Alarms Audio InterfacePower Distribution Requirements DC Power RequirementsMechanical Packaging EnvironmentalRadiated Emissions Regulatory Electromagnetic EmissionsTelecom Compliance Product Safety Appendix B Frequency Plans =7 Frequency plan Band a=7 Frequency plan Band B =4 Frequency plan Band a =4 Frequency plan Band B10Frequency Plans Standard 01.01 June Page Cell Site Description