Nortel Networks 411-2021-111 manual Cell Site Layouts

Page 29

Cell Site Layouts 3-3

Figure 3-2

Block diagram of an omni Metrocell with up to 20 channels in one RF Frame

RF Frame 1

See Table 3-3 for

(Note 1)

RMC/TRU Shelf connection

 

 

 

 

Antenna

(Main

Control Channel

(Note 2)

DPA 1

 

 

 

TRU/DPA

ATC 1

 

 

Shelf 1

 

 

 

 

 

 

 

 

 

 

 

DPA 4

See Table 3-1 for

PA/ATC connection

DPA 5

ATC 2

 

TRU/DPA

 

 

 

Shelf 2

 

 

 

 

 

 

 

 

DPA 8

DPA 9

ATC 3

 

TRU/DPA

 

Shelf 3

 

 

 

 

 

 

 

 

 

 

 

DPA 10

TRU 1 6 5 4 3 2 1

 

 

 

 

TRU SHELF

SPLITTER 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRU SHELF

SPLITTER 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

TRU 8

5 4 3 2

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

TRU 9

6 5 4 3 2 1

 

 

 

 

TRU SHELF SPLITTER 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRU SHELF

SPLITTER 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRU 16

1

 

 

 

 

 

 

5 4 3 2

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRU 17

6 5 4 3 2 1

 

 

 

 

TRU SHELF SPLITTER 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRU SHELF

SPLITTER 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRU 20

1

 

 

 

 

5 4 3 2

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A1

A2 A3

A8

B1

B2

B3

B8

1A

 

TX

 

 

 

 

receive)

RX

Duplexer

ANT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Position 2

 

 

 

 

 

RMC

 

 

 

 

 

Antenna

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1B

 

 

 

 

 

 

 

(Diversity

RMC

 

 

 

 

 

 

 

 

receive)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Notes:

1.For diagram clarity, only one RF Frame is shown. Other RF Frames with 20 channels or less are connected and operated identically to that of RF Frame 1.

2.TRU1 at TRU/DPA Shelf 1 of RF Frame 1 is assigned as the CCH and TRU4 at the same shelf is assigned as the backup CCH.

CE Frame

ICRM HSMO

DMS-MTX DualMode Metrocell Cell Site Description

Image 29
Contents DualMode Metrocell Page Page June Publication historyContents Cell Site Components Power and Grounding RequirementsDatafilling a Metro Cell Site AppendicesList of tables Block diagram of a 120 Stsr Metrocell using one RF FramePage Intended audience for this publication About this documentApplicability of this publication How this publication is organizedCarrier RF List of termsBand DBm CellDBW DuplexerForward path FilterIsolation LossOmni ModulationDqpsk Return lossSectorization Signal RFSector Stsr Northern Telecoms DualMode Metrocell IntroductionDigital ready cellular product System architecture of a DualMode MetrocellMetro RF Frame Basic components of a DualMode Metrocell Universal CE FrameChannel assignment Band a 416 channels Band B 416 channels 800 MHz cellular bandChannel assignment for 800 MHz cellular systems Introduction 6Introduction Standard 01.01 June Overview Cell Site ConfigurationsOmni configuration Omni N=7 frequency reuse plan Sectorized configuration120 N=7 sectorized frequency reuse plan 60 N=4 sectorized frequency reuse plan Cell Site Layouts Omni cell site configurationRF Frame Control Channel redundancyCell Site Layouts 4Cell Site Layouts TRU/DPA Transmit cabling6Cell Site Layouts Component requirement Receive cablingNo. Frames TRUs ATCsStsr cell site configuration CE Frame RF Frame Block diagram of a 120 Stsr Metrocell using one 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 Z Sector YSector Y TX/RX, 3 RX Control Channel Locate Channel Receiver Sector Stsr cell site connectionSector U 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 Major components of a DualMode Metrocell Description Cell Site ComponentsNTAX98AA FRU Customer Service Operations 4Cell Site Components Standard 01.01 June Safety requirements Power and Grounding RequirementsPower and grounding requirements Power and Grounding Requirements 4Power and Grounding Requirements Power distribution for the CE and RF Frames in a Metrocell Frame power distributionGrounding UL/CSA approval System power protectionCEC par DC coupled signals Cable Identification 10Power and Grounding Requirements Standard 01.01 June Datafill Overview Datafilling a Metro Cell SiteTable Acualm Table ClliCavities Fan Pwr Alarm PointsMetro RF Frame ATC Hsmo +27V a Port # Rip Connector J206Table VCHINV, CCHINV, Lcrinv Example of Metro TRU datafill Frequency Assignment ExampleIcrm Example of Metro ICRM/TRU hardwire configuration8Datafilling a Metro Cell Site Standard 01.01 June Radio Frequency Appendix a DualMode Metrocell Cell Site SpecificationsSystem Configuration Audio Interface AlarmsMechanical DC Power RequirementsPower Distribution Requirements Environmental PackagingTelecom Compliance Regulatory Electromagnetic EmissionsRadiated Emissions Product Safety =7 Frequency plan Band a Appendix B Frequency Plans=7 Frequency plan Band B =4 Frequency plan Band B =4 Frequency plan Band a10Frequency Plans Standard 01.01 June Page Cell Site Description