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Manual Nortel Networks 411-2021-111

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  • Nortel Networks 411-2021-111 - page 1

    Wireless Networks DualMode Metrocell Cell Site Description 411-2021-111 Standard 01.01 June 1996 411-2021-111 ...

  • Nortel Networks 411-2021-111 - page 2

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  • Nortel Networks 411-2021-111 - page 3

    Wireless Networks DualMode Metrocell Cell Site Description Product release: DualMode Metrocell Document release: Standard 01.01 Date: June 1996 Document Number: 411-2021-111 Copyright Country of printing Confidentiality Legal statements Trademarks  1996 Northern Telecom Printed in the United States of America NORTHERN TELECOM CONFIDENTIAL: The i ...

  • Nortel Networks 411-2021-111 - page 4

    iv 411-2021-111 Standard 01.01 June 1996 Publication history June 1996 Standard 01.01 Initial release of document. ...

  • Nortel Networks 411-2021-111 - page 5

    v DMS-MTX DualMode Metrocell Cell Site Description Contents Publication history iv About this document ix Intended audience for this publication ix How this publication is organized x Applicability of this publication x List of terms xi Introduction 1-1 Northern Telecom's DualMode Metrocell 1-1 The 800 MHz cellular band 1-4 Cell Site Configura ...

  • Nortel Networks 411-2021-111 - page 6

    vi Contents 411-2021-111 Standard 01.01 June 1996 Cell Site Components 4-1 Customer Service Operations 4-3 Power and Grounding Requirements 5-1 Safety requirements 5-1 Power and grounding requirements 5-2 Frame power distribution 5-5 System power protection 5-6 Grounding 5-6 Cable Identification 5-9 Datafilling a Metro Cell Site 6-1 Datafill Overvi ...

  • Nortel Networks 411-2021-111 - page 7

    Contents vii DMS-MTX DualMode Metrocell Cell Site Description Figure 3-4 Frame layout of a 120 ° STSR Metrocell site with one RF frame (front view) 3-9 Figure 3-5 Frame layout of a 120 ° STSR Metrocell site with three RF frames (front view) 3-9 Figure 3-6 Block diagram of a 120 ° STSR Metrocell using one RF Frame 3-10 Figure 3-7 Block diagram of ...

  • Nortel Networks 411-2021-111 - page 8

    viii Contents 411-2021-111 Standard 01.01 June 1996 Table 4-1 Major components of a DualMode Metrocell 4-1 Table 5-1 Metrocell DC Power performance requirements 5-3 Table 5-2 Cable identification - North America 5-9 Table 6-1 Datafill differences of the Metrocell from an NT800DR cell 6-1 Table 6-2 Trunk requirement for different Metrocell configura ...

  • Nortel Networks 411-2021-111 - page 9

    ix DMS-MTX DualMode Metrocell Cell Site Description About this document This publication is one of a set of documents that provide Northern Telecom (Nortel) customers with information and suggestions on the planning and maintenance of their DualMode Metrocell system. This set of documents includes the following manuals: • DualMode Metrocell Funct ...

  • Nortel Networks 411-2021-111 - page 10

    x About this document 411-2021-111 Standard 01.01 June 1996 The document suite assumes that the reader possesses a basic knowledge of the cellular system and radio propagation and is familiar with measurement units incorporated in the system. Therefore, this document will not provide detailed information on the theory of switching and radio propaga ...

  • Nortel Networks 411-2021-111 - page 11

    xi DMS-MTX DualMode Metrocell Cell Site Description List of terms A-Band The lower 333 channels (Channel 1 - 333) of the cellular band, normally assigned to a non-wireline operator in the US and Canada. The Expanded Spectrum provides 83 more channels, 50 (Channel 667 - 716) in the A ’-Band and 33 (channel 991 - 1023) in the A"-Band. ACU Alar ...

  • Nortel Networks 411-2021-111 - page 12

    xii List of terms 411-2021-111 Standard 01.01 June 1996 Cell By theoretical design, it is the geographical representation of the cellular coverage area or service area defining both the associated size and shape. CSM2 Cell Site Monitor 2. A unit that provides analog testing and monitoring capabilities at the cell site. dBm Decibels above a milliwat ...

  • Nortel Networks 411-2021-111 - page 13

    List of terms xiii DMS-MTX DualMode Metrocell Cell Site Description FDMA Frequency Division Multiple Access. A frequency assignment arrangement whereby all users share the total frequency allotment and each frequency is assigned to a given user at access on a multiple user access basis. Filter A frequency selective device which is tuned to pass som ...

  • Nortel Networks 411-2021-111 - page 14

    xiv List of terms 411-2021-111 Standard 01.01 June 1996 Modulation The process of placing information on an RF carrier. The modulation technique may involve changing the amplitude, frequency, or phase of the carrier determined by the modulation index. NES Non-expanded Spectrum. The frequency spectrum initially assigned to the cellular band. The Non ...

  • Nortel Networks 411-2021-111 - page 15

    List of terms xv DMS-MTX DualMode Metrocell Cell Site Description RMC Receive Multicoupler. A device for amplifying the input received from a single antenna and providing multiple outputs for a group of receivers. RSSI Received Signal Strength Indicator. A measurement of the received RF signal strength measured at the base station or the subscriber ...

  • Nortel Networks 411-2021-111 - page 16

    xvi List of terms 411-2021-111 Standard 01.01 June 1996 ST Signaling Tone. In AMPS cellular, a 10 kHz tone transmitted on the Reverse V oice Channel (RVC) as a precursor to messaging activity, and for certain call- processing functions (acknowledgments, call termination). Presence of the tone mutes normal conversational audio. STSR Sectored-Transmi ...

  • Nortel Networks 411-2021-111 - page 17

    1-1 DMS-MTX DualMode Metrocell Cell Site Description 1 Introduction Northern Telecom's DualMode Metrocell As cellular systems evolve to the digital format, service providers and mobile subscribers are confronted by a mixture of analog and digital technologies. Northern Telecom (Nortel)’s dual mode cellular product allows a smooth transition ...

  • Nortel Networks 411-2021-111 - page 18

    1-2 Introduction 411-2021-111 Standard 01.01 June 1996 Figure 1-1 System architecture of a DualMode Metrocell Figure 1-2 Digital ready cellular product There are at least two equipment frames in a Metrocell, a Universal Common Equipment (CE) Frame and a Metro Radio Frequency (RF) Frame. The cell site can be expanded or sectorized by adding more Met ...

  • Nortel Networks 411-2021-111 - page 19

    Introduction 1-3 DMS-MTX DualMode Metrocell Cell Site Description Figure 1-3 Basic components of a DualMode Metrocell Legend: RIP Rack Interface Panel DRUM DualMode Radio Unit Monitor ACU Alarm Control Unit HSMO High Stability Master Oscillator CSM2 Cell Site Monitor 2 RMC Receive Multicoupler ICRM Integrated Cellular Remote Module ATC AutoTune Com ...

  • Nortel Networks 411-2021-111 - page 20

    1-4 Introduction 411-2021-111 Standard 01.01 June 1996 The 800 MHz cellular band In an 800 MHz North American cellular system, a frequency spectrum of 50 MHz is available for service. Operating from 824 to 894 MHz, including the expanded spectrum, the system conforms to the AMPS IS-54 protocol. Typically this range is divided into 832 radio frequen ...

  • Nortel Networks 411-2021-111 - page 21

    Introduction 1-5 DMS-MTX DualMode Metrocell Cell Site Description The relationship between the channel number (N) and the frequency is: Channel number: 1 ≤ N ≤ 799 Receiver frequency (in MHz) = 0.03N + 825.000 Transmit frequency (in MHz) = 0.03N +870.000 Channel number: 990 ≤ N ≤ 1023 Receiver frequency (in MHz) = 0.03(N - 1023) + 825.000 T ...

  • Nortel Networks 411-2021-111 - page 22

    1-6 Introduction 411-2021-111 Standard 01.01 June 1996 ...

  • Nortel Networks 411-2021-111 - page 23

    2-1 DMS-MTX DualMode Metrocell Cell Site Description 2 Cell Site Configurations Overview The DualMode Metrocell can be configured in the following ways: • Omni-directional transmit/receive • 120 ° Sectored Transmit Sectored Receive (STSR) • 60 ° Sectored Transmit Sectored Receive (STSR) The majority of systems may begin as Omni-directional ...

  • Nortel Networks 411-2021-111 - page 24

    2-2 Cell Site Configurations 411-2021-111 Standard 01.01 June 1996 Figure 2-1 shows the layout of an Omni (N=7) frequency reuse plan;. The RF channels used in Cell 1 of a cluster are reused in Cell 1 of other clusters, channels in Cell 2 are reused in Cell 2 of other clusters and so on. Figure 2-1 Omni (N=7) frequency reuse plan 120 ° sectorized c ...

  • Nortel Networks 411-2021-111 - page 25

    Cell Site Configurations 2-3 DMS-MTX DualMode Metrocell Cell Site Description Figure 2-2 shows the layout of a 120 ° (N=7) sectorized frequency reuse plan. The RF channels used in Cell 1 of a cluster are reused in Cell 1 of other clusters, channels in Cell 2 are reused in Cell 2 of other clusters and so on. This arrangement will have the RF channe ...

  • Nortel Networks 411-2021-111 - page 26

    2-4 Cell Site Configurations 411-2021-111 Standard 01.01 June 1996 60 ° sectorized configuration In a 60 ° (N=4) sectorized configuration, the 416 RF channels are divided among a group of four cells. Each cell contains a maximum of 104 RF channels, with six Control channels for each cell. Since each cell is further divided into six sectors, each ...

  • Nortel Networks 411-2021-111 - page 27

    3-1 DMS-MTX DualMode Metrocell Cell Site Description 3 Cell Site Layouts This chapter provides information on the layout and cabling of the different DualMode Metrocell configurations. Note: The DualMode Metrocell supports only Transmit Receive Units (TRU) with Product Engineering Code (PEC) NTAX98AA. No other radios can be used. The NTAX98AA TRU s ...

  • Nortel Networks 411-2021-111 - page 28

    3-2 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 (A TC 1 and A TC 2) are combined through one phasing transformer (located at A TC 2) and then connected to Duplexer position 2 and the main TX/RX Antenna. The output of the upper A TC (A TC 3) is connected to Duplexer position 3 and the diversity TX/RX Antenna. This arrangement is used to ...

  • Nortel Networks 411-2021-111 - page 29

    Cell Site Layouts 3-3 DMS-MTX DualMode Metrocell Cell Site Description Figure 3-2 Block diagram of an omni Metrocell with up to 20 channels in one RF Frame TRU 1 6 5 4 3 2 1 TRU SHELF SPLITTER 1 TRU SHELF SPLITTER 4 ICRM HSMO RF Frame 1 (Note 1) TRU 8 6 5 4 3 2 1 TRU 9 6 5 4 3 2 1 TRU 16 6 5 4 3 2 1 Duplexer Position 2 RX ANT TX B1 B2 B8 A1 A2 A8 R ...

  • Nortel Networks 411-2021-111 - page 30

    3-4 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 Figure 3-3 Block diagram of an omni Metrocell with 21 to 24 channels in one RF Frame TRU 1 6 5 4 3 2 1 TRU SHELF SPLITTER 1 TRU SHELF SPLITTER 4 ICRM HSMO RF Frame 1 TRU 8 6 5 4 3 2 1 TRU 9 6 5 4 3 2 1 TRU 16 6 5 4 3 2 1 Duplexer Position 2 RX ANT TX B1 B2 B8 A1 A2 A8 RMC 1A RMC 1B Antenna ...

  • Nortel Networks 411-2021-111 - page 31

    Cell Site Layouts 3-5 DMS-MTX DualMode Metrocell Cell Site Description Transmit cabling In the transmit path, the output of each Transmit Receive Unit (TRU) is connected to the input of each corresponding power amplifier (PA) on the Dual Power Amplifier (DPA) module. The output of each power amplifier (PA) is input to an 8-channel AutoTune Combiner ...

  • Nortel Networks 411-2021-111 - page 32

    3-6 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 Note: Additional RF Frames with 21 channels or more are connected to their respective TX/RX antennas in the same way as RF Frame 1. Table 3-2 RF Frame 1 PA to ATC connection for an omni Metrocell with 21 channels or more From Through To DPA 1 - Port1 (CCH) ATC1 - Port 1 DPA 1 - Port2 ATC1 ...

  • Nortel Networks 411-2021-111 - page 33

    Cell Site Layouts 3-7 DMS-MTX DualMode Metrocell Cell Site Description Receive cabling In the reverse path, the receive signal from the main antenna is connected to the A-input of the Receive Multicoupler (RMC) through the receive port of the duplexer. The diversity antenna connects directly to the B-input of the RMC. Distribution of the reverse pa ...

  • Nortel Networks 411-2021-111 - page 34

    3-8 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 120 ° STSR cell site configuration The Metrocell in a 120 ° STSR configuration uses at least two equipment frames, one CE Frame and one RF frame (see Figure 3-4). Each TRU/DPA Shelf and its associated A TC on the RF frame support one of the three sectors. With only one RF frame, the maxi ...

  • Nortel Networks 411-2021-111 - page 35

    Cell Site Layouts 3-9 DMS-MTX DualMode Metrocell Cell Site Description Figure 3-4 Frame layout of a 120 ° STSR Metrocell site with one RF frame (front view) Figure 3-5 Frame layout of a 120 ° STSR Metrocell site with three RF frames (front view) Note: For a frame with up to 20 channels, only one duplexer (located in position CE Frame RF Frame 1 C ...

  • Nortel Networks 411-2021-111 - page 36

    3-10 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 2) is required. For a frame with 21 channels or more, two duplexers (located in positions 2 and 3) are required. Figure 3-6 Block diagram of a 120 ° STSR Metrocell using one RF Frame TRU 1 6 5 4 3 2 1 TRU SHELF SPLITTER 1 TRU SHELF SPLITTER 6 ICRM HSMO RF Frame 1 TRU 8 6 5 4 3 2 1 TRU 9 ...

  • Nortel Networks 411-2021-111 - page 37

    Cell Site Layouts 3-11 DMS-MTX DualMode Metrocell Cell Site Description Figure 3-7 Block diagram of a 120 ° STSR Metrocell using three RF Frames Notes: 1. 2. For diagram clarity, only RF Frame 1 is shown. RF Frames 2 and 3 are connected and operated identically to that of RF Frame 1. For RF Frames with 20 channels or less, the Duplexer in position ...

  • Nortel Networks 411-2021-111 - page 38

    3-12 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 Transmit cabling In the transmit path, the output of each Transmit Receive Unit (TRU) is connected to the input of each corresponding power amplifier (PA) on the Dual Power Amplifier (DPA) module. For a 120 ° STSR cell site with one RF Frame, each TRU/DPA Shelf and its associated A TC an ...

  • Nortel Networks 411-2021-111 - page 39

    Cell Site Layouts 3-13 DMS-MTX DualMode Metrocell Cell Site Description DPA 9 - Port1 (CCH) ATC3 - Port 1 DPA 9 - Port 2 ATC3 - Port 2 DPA 10 - Port1 ATC3 - Port 3 TRU/DPA Shelf 3 DPA 10 - Port2 (LCR) ATC Shelf 3 ATC3 - Port 4 Duplexer Position 3 Antenna (Main receive for Sector Z) DPA 11 - Port1 ATC3 - Port 5 DPA 11 - Port2 ATC3 - Port 6 DPA 12 - ...

  • Nortel Networks 411-2021-111 - page 40

    3-14 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 DPA 1 - Port1 (CCH) ATC1 - Port 1 DPA 1 - Port2 ATC1 - Port 2 DPA 2 - Port1 ATC1 - Port 3 RF Frame 2 TRU/DPA Shelf 1 DPA 2 - Port2 (LCR) RF Frame 2 ATC Shelf 1 ATC1 - Port 4 DPA 3 - Port1 ATC1 - Port 5 DPA 3 - Port2 ATC1 - Port 6 DPA 4 - Port1 ATC1 - Port 7 DPA 4 - Port2 ATC1 - Port 8 DPA ...

  • Nortel Networks 411-2021-111 - page 41

    Cell Site Layouts 3-15 DMS-MTX DualMode Metrocell Cell Site Description RF Frame 3 TRU/DPA Shelf 2 DPA 8 - Port1 RF Frame 3 ATC 2 ATC2 - Port 7 DPA 8 - Port 2 ATC2 - Port 8 DPA 9 - Port1 ATC3 - Port 1 RF Frame 3 Duplexer Position 2 Antenna (Main receive for Sector Z) RF Frame 3 TRU/DPA Shelf 3 DPA 9 - Port 2 RF Frame 3 ATC Shelf 3 ATC3 - Port 2 DPA ...

  • Nortel Networks 411-2021-111 - page 42

    3-16 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 DPA 1 - Port1 (CCH) ATC1 - Port 1 DPA 1 - Port2 ATC1 - Port 2 DPA 2 - Port1 ATC1 - Port 3 RF Frame 2 TRU/DPA Shelf 1 DPA 2 - Port2 (LCR) RF Frame 2 ATC Shelf 1 ATC1 - Port 4 DPA 3 - Port1 ATC1 - Port 5 DPA 3 - Port2 ATC1 - Port 6 DPA 4 - Port1 ATC1 - Port 7 RF Frame 2 Duplexer Position 2 ...

  • Nortel Networks 411-2021-111 - page 43

    Cell Site Layouts 3-17 DMS-MTX DualMode Metrocell Cell Site Description Receive cabling In the reverse path, the receive signal from the main antenna of each sector is connected to the A-input of the Receive Multicoupler (RMC) through the receive port of the duplexer of that sector. The diversity antenna connects directly to the B-input of the RMC. ...

  • Nortel Networks 411-2021-111 - page 44

    3-18 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 Main antenna, Sector X RMC 1A - A2 Splitter 1 Main antenna, Sector Y RMC 2A - A2 Splitter 2 Sector Y Main antenna, Sector Z RMC 3A - A2 TRU shelf 2 Splitter 3 Diversity antenna, Sector X RMC 1B - B2 Splitter 4 Diversity antenna, Sector Y RMC 2B - B2 Splitter 5 Diversity antenna, Sector Z ...

  • Nortel Networks 411-2021-111 - page 45

    Cell Site Layouts 3-19 DMS-MTX DualMode Metrocell Cell Site Description Sector X Diversity antenna, Sector Z RMC 3B - B3 RF Frame 1 TRU Shelf 3 Splitter 6 Main antenna, Sector X RMC 1A - A4 Splitter 1 Main antenna, Sector Y RMC 2A - A4 Splitter 2 Main antenna, Sector Z RMC 3A - A4 RF Frame 2 TRU shelf 1 Splitter 3 Diversity antenna, Sector X RMC 1B ...

  • Nortel Networks 411-2021-111 - page 46

    3-20 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 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). Note: An additional TC ...

  • Nortel Networks 411-2021-111 - page 47

    Cell Site Layouts 3-21 DMS-MTX DualMode Metrocell Cell Site Description 60 ° STSR cell site connection The Metrocell in a 60 ° STSR configuration uses at least three equipment frames, one CE Frame and two RF frames (see Figure 3-8). Each TRU/DPA Shelf and its associated A TC on one of the two RF frames support one of the six sectors. With only tw ...

  • Nortel Networks 411-2021-111 - page 48

    3-22 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 Figure 3-8 Frame layout of a 60 ° STSR Metrocell with two RF frames (front view) Figure 3-9 Typical frame layout of a 60 ° STSR Metrocell with four RF frames (front view) Note: A fifth RF Frame can be added for expanding three of the sectors to 24 channels. CE Frame RF Frame 1 CE RIP DR ...

  • Nortel Networks 411-2021-111 - page 49

    Cell Site Layouts 3-23 DMS-MTX DualMode Metrocell Cell Site Description Figure 3-10 Block diagram of a 60 ° STSR Metrocell with two RF Frames TRU 1 6 5 4 3 2 1 DPA 1 DPA 4 TRU SHELF SPLITTER 1 TRU SHELF SPLITTER 6 ICRM HSMO RF Frame 1 TRU 8 6 5 4 3 2 1 TRU 9 6 5 4 3 2 1 TRU 16 6 5 4 3 2 1 Duplexer Position 1 RX ANT TX B1 B2 B8 A1 A2 A8 RMC 1A RMC ...

  • Nortel Networks 411-2021-111 - page 50

    3-24 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 Figure 3-10 Block diagram of a 60 ° STSR Metrocell with two RF Frames (continued) TRU 1 6 5 4 3 2 1 TRU SHELF SPLITTER 1 TRU SHELF SPLITTER 6 ICRM HSMO RF Frame 2 TRU 8 6 5 4 3 2 1 TRU 9 6 5 4 3 2 1 TRU 16 6 5 4 3 2 1 Duplexer Position 1 RX ANT TX B1 B2 B8 A1 A2 A8 RMC 4A RMC 4B Antenna ...

  • Nortel Networks 411-2021-111 - page 51

    Cell Site Layouts 3-25 DMS-MTX DualMode Metrocell Cell Site Description Figure 3-11 Block diagram of a 60 ° STSR Metrocell with four RF Frames Note: TRU 1 6 5 4 3 2 1 TRU SHELF SPLITTER 1 TRU SHELF SPLITTER 6 ICRM HSMO RF Frame 1 Note TRU 8 6 5 4 3 2 1 TRU 9 6 5 4 3 2 1 TRU 16 6 5 4 3 2 1 Duplexer Position 2 RX ANT TX B1 B2 B8 A1 A2 A8 RMC 1A RMC ...

  • Nortel Networks 411-2021-111 - page 52

    3-26 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 Figure 3-11 Block diagram of a 60 ° STSR Metrocell with four RF Frames (continued) Control Channel for Sector Z Note: TRU 1 6 5 4 3 2 1 TRU SHELF SPLITTER 1 TRU SHELF SPLITTER 6 ICRM HSMO RF Frame 2 Note TRU 8 6 5 4 3 2 1 TRU 9 6 5 4 3 2 1 TRU 16 6 5 4 3 2 1 Duplexer Position 2 RX ANT TX ...

  • Nortel Networks 411-2021-111 - page 53

    Cell Site Layouts 3-27 DMS-MTX DualMode Metrocell Cell Site Description Transmit cabling In the transmit path, the output of each Transmit Receive Unit (TRU) is connected to the input of each corresponding power amplifier (PA) on the Dual Power Amplifier (DPA) module. For a 60 ° STSR cell site with two RF Frames, each TRU/DPA Shelf and its associa ...

  • Nortel Networks 411-2021-111 - page 54

    3-28 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 Table 3-12 PA to ATC connection for a 60 ° STSR Metrocell using two RF Frames From Through To DPA 1 - Port1 (CCH) ATC1 - Port 1 DPA 1 - Port2 ATC1 - Port 2 DPA 2 - Port1 ATC1 - Port 3 RF Frame 1 TRU/DPA Shelf 1 DPA 2 - Port2 (LCH) RF Frame 1 ATC Shelf 1 ATC1 - Port 4 RF Frame 1 Duplexer ...

  • Nortel Networks 411-2021-111 - page 55

    Cell Site Layouts 3-29 DMS-MTX DualMode Metrocell Cell Site Description DPA 17 - Port1 (CCH) ATC5 - Port 1 DPA 17 - Port2 ATC5 - Port 2 DPA 18 - Port1 ATC5 - Port 3 RF Frame 2 TRU/DPA Shelf 2 DPA 18 - Port2 (LCH) RF Frame 2 ATC Shelf 2 ATC5 - Port 4 RF Frame 2 Duplexer Position 2 Antenna (Main receive for Sector V) DPA 19 - Port1 ATC5 - Port 5 DPA ...

  • Nortel Networks 411-2021-111 - page 56

    3-30 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 Table 3-13 PA to ATC connection for a 60 ° STSR Metrocell using four RF Frames From Through To DPA 1 - Port1 (CCH) ATC1 - Port 1 DPA 1 - Port2 ATC1 - Port 2 DPA 2 - Port1 ATC1 - Port 3 RF Frame 1 TRU/DPA Shelf 1 DPA 2 - Port2 (LCH) RF Frame 1 ATC Shelf 1 ATC1 - Port 4 DPA 3 - Port1 ATC1 ...

  • Nortel Networks 411-2021-111 - page 57

    Cell Site Layouts 3-31 DMS-MTX DualMode Metrocell Cell Site Description Table 3-13 PA to ATC connection for a 60 ° STSR Metrocell using four RF Frames (continued) From Through To DPA 9 - Port1 ATC3 - Port 1 DPA 9 - Port2 ATC3 - Port 2 DPA 10 - Port1 ATC3 - Port 3 RF Frame 1 TRU/DPA Shelf 3 DPA 10 - Port2 RF Frame 1 ATC Shelf 3 ATC3 - Port 4 DPA 11 ...

  • Nortel Networks 411-2021-111 - page 58

    3-32 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 Table 3-13 PA to ATC connection for a 60 ° STSR Metrocell using four RF Frames (continued) From Through To DPA 1 - Port1 (CCH) ATC1 - Port 1 DPA 1 - Port 2 ATC1 - Port 2 DPA 2 - Port1 ATC1 - Port 3 RF Frame 4 TRU/DPA Shelf 1 DPA 2 - Port2 (LCR) RF Frame 4 ATC Shelf 1 ATC1 - Port 4 DPA 3 ...

  • Nortel Networks 411-2021-111 - page 59

    Cell Site Layouts 3-33 DMS-MTX DualMode Metrocell Cell Site Description Receive cabling In the reverse path, the receive signal from the main antenna of each sector is connected to the A-input of the Receive Multicoupler (RMC) through the receive port of the duplexer of that sector. The diversity antenna connects directly to the B-input of the RMC. ...

  • Nortel Networks 411-2021-111 - page 60

    3-34 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 Main antenna, Sector V — primary sector RMC 5A - A3 Splitter 1 Main antenna, Sector W — right adjacent sector RMC 6A - A2 Splitter 2 Sector V Main antenna, Sector Y — rear sector RMC 2A - A3 RF Frame 2 TRU shelf 2 Splitter 3 Diversity antenna, Sector V — primary sector RMC 5B - B2 ...

  • Nortel Networks 411-2021-111 - page 61

    Cell Site Layouts 3-35 DMS-MTX DualMode Metrocell Cell Site Description Main antenna, Sector Y — primary sector RMC 2A - A4 Splitter 1 Main antenna, Sector Z — right adjacent sector RMC 3A - A2 Splitter 2 Sector Y Main antenna, Sector V — rear sector RMC 5A - A2 RF Frame 2 TRU shelf 2 Splitter 3 Diversity antenna, Sector Y — primary sector ...

  • Nortel Networks 411-2021-111 - page 62

    3-36 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 Table 3-15 RMC to splitter connections for a 60 ° STSR Metrocell with four RF Frames (continued) From Through To Main antenna, Sector V — primary sector RMC 5A - A5 Splitter 1 Main antenna, Sector W — right adjacent sector RMC 6A - A3 Splitter 2 Main antenna, Sector Y — rear sector ...

  • Nortel Networks 411-2021-111 - page 63

    Cell Site Layouts 3-37 DMS-MTX DualMode Metrocell Cell Site Description Component requirement Table 3-16 lists the components required for a 60 ° STSR Metrocell with two RF Frame and Table 3-17 lists the components required for a 60 ° STSR Metrocell with four RF Frames. Both configurations require six Receive Multicouplers (RMC). Note: An additio ...

  • Nortel Networks 411-2021-111 - page 64

    3-38 Cell Site Layouts 411-2021-111 Standard 01.01 June 1996 ...

  • Nortel Networks 411-2021-111 - page 65

    4-1 DMS-MTX DualMode Metrocell Cell Site Description 4 Cell Site Components This chapter provides information on the description and Product Engineering Codes (PEC) of the major components used in a DualMode Metrocell. Table 4-1 Major components of a DualMode Metrocell Note: FRU = Field Replaceable Unit Description PEC Metro RF Frame NTFB10AA " ...

  • Nortel Networks 411-2021-111 - page 66

    4-2 Cell Site Components 411-2021-111 Standard 01.01 June 1996 Cable DATA 25-Pair TRU/DPA Shelf 1 NTFA1004 FRU Cable DATA 25-Pair TRU/DPA Shelf 2 NTFA1008 FRU Cable DATA 25-Pair TRU/DPA Shelf 3 NTFA1009 FRU Transmit Receive Unit (TRU) NTAX98AA FRU Dual Power Amplifier (DPA) NTFB38AA FRU CE Frame Alarm Cable NTFB41AA FRU Universal CE Frame NT3P64CA ...

  • Nortel Networks 411-2021-111 - page 67

    Cell Site Components 4-3 DMS-MTX DualMode Metrocell Cell Site Description Customer Service Operations Most of these components can be ordered from Nortel. Contact the following Nortel Customer Service Operations (CSO) when replacement is required: For United States customers: Northern Telecom Inc. Attn. Customer Service Operations 400 N. Industrial ...

  • Nortel Networks 411-2021-111 - page 68

    4-4 Cell Site Components 411-2021-111 Standard 01.01 June 1996 ...

  • Nortel Networks 411-2021-111 - page 69

    5-1 DMS-MTX DualMode Metrocell Cell Site Description 5 Power and Grounding Requirements Cell sites are built to house communication equipment of the cellular telephone network. Cellular equipment can be located in stand-alone sites or in larger buildings in urban areas. Cellular equipment is traditionally powered from a +24 Vdc power plant. Some sw ...

  • Nortel Networks 411-2021-111 - page 70

    5-2 Power and Grounding Requirements 411-2021-111 Standard 01.01 June 1996 Power and grounding requirements Typical cell site radio equipment is powered by a +24 Vdc power system. However, the primary power for a DualMode Metrocell is +27 Vdc nominal. The reason that +27 V olts is specified as the nominal voltage rather than +24 V olts is to highli ...

  • Nortel Networks 411-2021-111 - page 71

    Power and Grounding Requirements 5-3 DMS-MTX DualMode Metrocell Cell Site Description Table 5-1 Metrocell DC Power performance requirements Description Requirements Maximum Nominal Minimum Module or unit level operating voltage range 29.00 Vdc 27.00 Vdc 21.00 Vdc Metro RF Frame current draw per feed (A or B) with all PAs transmitting at full RF out ...

  • Nortel Networks 411-2021-111 - page 72

    5-4 Power and Grounding Requirements 411-2021-111 Standard 01.01 June 1996 The input voltage for other communication equipment is typically -48 Vdc nominal. The voltage range at the Power Distribution Centre (or other type of a branch panel) shall not exceed the range between -43.75 Vdc to -55.80 Vdc. The input power is usually obtained from a cent ...

  • Nortel Networks 411-2021-111 - page 73

    Power and Grounding Requirements 5-5 DMS-MTX DualMode Metrocell Cell Site Description Frame power distribution Figure 5-1 shows the distribution network for supplying power to the cell site components in the CE and RF Frames. Figure 5-1 Power distribution for the CE and RF Frames in a Metrocell TRU/PA Shelf 1 ATC Shelf 1 Duplexer Shelf RIP/Breaker ...

  • Nortel Networks 411-2021-111 - page 74

    5-6 Power and Grounding Requirements 411-2021-111 Standard 01.01 June 1996 System power protection There are three levels of protection at a Metrocell cell site. The first level is at the power plant which may consist of a hydraulic-magnetic breaker or slow- blow fuse. This stage is not provided by Nortel. The second level of protection is located ...

  • Nortel Networks 411-2021-111 - page 75

    Power and Grounding Requirements 5-7 DMS-MTX DualMode Metrocell Cell Site Description scheme if the system input power is less than 50V thus not requiring any ground (see CEC par 10-102). CEC par 10-102 Two wire direct-current systems supplying interior wiring and operating at not more than 300 V or less than 50 V between conductors shall be ground ...

  • Nortel Networks 411-2021-111 - page 76

    5-8 Power and Grounding Requirements 411-2021-111 Standard 01.01 June 1996 DC coupled signals DC coupled signals are considered undesirable from a grounding point of view for the following reasons: • If a signal is routed to another system on a separate ground, then isolation is lost due to a connection via the signal return. • Any noise on the ...

  • Nortel Networks 411-2021-111 - page 77

    Power and Grounding Requirements 5-9 DMS-MTX DualMode Metrocell Cell Site Description Cable Identification It is a current practice to label or color-code insulated conductors. The following table shows the labeling and colors of insulated wires used in North America. Framework Ground or Framework Bonding conductors are also known as "Protecti ...

  • Nortel Networks 411-2021-111 - page 78

    5-10 Power and Grounding Requirements 411-2021-111 Standard 01.01 June 1996 ...

  • Nortel Networks 411-2021-111 - page 79

    6-1 DMS-MTX DualMode Metrocell Cell Site Description 6 Datafilling a Metro Cell Site Datafill Overview This section outlines the differences which you should consider when datafilling a Metro site. It makes no attempt at dealing with the entire datafill procedure and assumes that you are familiar with the MTX Cell Site Datafill Procedures. Please r ...

  • Nortel Networks 411-2021-111 - page 80

    6-2 Datafilling a Metro Cell Site 411-2021-111 Standard 01.01 June 1996 Table CLLI Table CLLI defines both a name and a quantity to a certain MTX trunk assignment. For the Metro application the number of trunks assigned in TRKGRSIZ should be capable of supporting the additional VCHs supported. The minimum number of trunks required is shown in Table ...

  • Nortel Networks 411-2021-111 - page 81

    Datafilling a Metro Cell Site 6-3 DMS-MTX DualMode Metrocell Cell Site Description Table 6-3 MTX Datafill Alarm Points for Metro RF Frame Metro RF Shelves Fan Alarm Points Metro RF Frame ATC Alarm Points Shelf # FAN 1 FAN 2 FAN 3 FAN 4 ATC # Cavities Fan Pwr 1 0123 11 6 2 0 2 1 2 4567 21 7 2 2 2 3 38 9 1 0 1 1 31 8 2 4 2 5 4 1 21 31 41 5 41 9 2 6 2 ...

  • Nortel Networks 411-2021-111 - page 82

    6-4 Datafilling a Metro Cell Site 411-2021-111 Standard 01.01 June 1996 The MTX Datafill alarm points for the CE frame are shown in Table 6-5. Table 6-4 MTX Alarm Points Datafill Numbers for Metro RF Frame Metro RF Frame Power Filter Alarm Points Metro RF Frame # Power Filter A-Side Power Filter B-Side 12 8 2 9 26 0 6 1 39 2 9 3 43 0 3 1 5 124 125 ...

  • Nortel Networks 411-2021-111 - page 83

    Datafilling a Metro Cell Site 6-5 DMS-MTX DualMode Metrocell Cell Site Description Table VCHINV, CCHINV, LCRINV The frequency assignment tables should be datafilled so that the TRU location in the Metro RF Frame with respect to the port card of the ICRM are correctly identified in the datafill tuple. Each physical location in the Metro RF Frame cor ...

  • Nortel Networks 411-2021-111 - page 84

    6-6 Datafilling a Metro Cell Site 411-2021-111 Standard 01.01 June 1996 Frequency Assignment Example An example configuration is shown in Figure 6-1. In this example The ICRM virtual port card 0 is hardwired to the RIP Connector J205 and virtual port card 1 is hardwired to RIP Connector J206 (see Figure 6-2). Since port card 0 is hardwired to J205 ...

  • Nortel Networks 411-2021-111 - page 85

    Datafilling a Metro Cell Site 6-7 DMS-MTX DualMode Metrocell Cell Site Description Figure 6-2 Example of Metro ICRM/TRU hardwire configuration J201 J209 J205 J202 J203 J204 J206 J207 J208 Connector Assignments Physical Port Card Slot Location ICRM 45678 17 18 19 20 21 NT8X47BA Port Card NT8X47BA Port Card NT8X47BA Port Card NT8X47BA Port Card NT8X4 ...

  • Nortel Networks 411-2021-111 - page 86

    6-8 Datafilling a Metro Cell Site 411-2021-111 Standard 01.01 June 1996 ...

  • Nortel Networks 411-2021-111 - page 87

    7-1 DMS-MTX DualMode Metrocell Cell Site Description Appendix A: DualMode Metrocell Cell Site Specifications System Configuration Channel capacity Up to 120 RF Channels for Omni cell sites Up to 8, 16 or 24 RF Channels per sector for 120 ° STSR cell sites Up to 8 or 16 RF Channels per sector for 60 ° STSR cell sites Locate capacity 23,077 locates ...

  • Nortel Networks 411-2021-111 - page 88

    7-2 DualMode Metrocell Cell Site Specifications 411-2021-111 Standard 01.01 June 1996 Transmit path insertion loss (including A TC, duplexer and cable losses): 8 channels -4.4 dB maximum 16 channels -4.7 dB maximum 24 channels -5.0 dB maximum Minimum antenna input RF power (at the ANT port of the duplexer): 8 channels 38.6 dBm (7.33 watts) 16 chann ...

  • Nortel Networks 411-2021-111 - page 89

    DualMode Metrocell Cell Site Specifications 7-3 DMS-MTX DualMode Metrocell Cell Site Description DC Power Requirements Grounding As specified in Northern Telecom’s NTP-297-1001-156 V oltage Nominal +27.0 Vdc ± 0.5 Vdc Range +21.0 Vdc to 29.0 Vdc Ripple 400 millivolts Spurious 0.005 - 10 MHz < -55 dBm @ 0.3 to 3.4 kHz Noise < 32 dBrnC (600 ...

  • Nortel Networks 411-2021-111 - page 90

    7-4 DualMode Metrocell Cell Site Specifications 411-2021-111 Standard 01.01 June 1996 Paint Maple Brown # SCP-717-R1 Marking Nortel Logo Packaging Frames ShockAir bubble sheet and Styrofoam packaging material Vibration Styrofoam sandwich pallet Bracing and support Wood, 2 x 4 braces Moisture 5 mil polyethylene Transport Air ride shock Modules Separ ...

  • Nortel Networks 411-2021-111 - page 91

    DualMode Metrocell Cell Site Specifications 7-5 DMS-MTX DualMode Metrocell Cell Site Description Earthquake Meet earthquake requirements of Zone 1 and Zone 2 as defined by Bellcore TR-NWT-000063 Fixed equipment anchorage. Thermal dissipation for Metrocell RF Frame: Regulatory Electromagnetic Emissions Cell site equipment complies with the following ...

  • Nortel Networks 411-2021-111 - page 92

    7-6 DualMode Metrocell Cell Site Specifications 411-2021-111 Standard 01.01 June 1996 Product Safety Cell site equipment complies with the following Safety Specification: • CSA C22.2 No. 225-M90, Telecommunication Equipment • CSA C22.2 No. 1, Radio, Television and Electronic Apparatus • UL-1459, Issue 2.0 Telephone Standard • UL-1419, Propo ...

  • Nortel Networks 411-2021-111 - page 93

    Frequency Plans 7-7 DMS-MTX DualMode Metrocell Cell Site Description Appendix B: Frequency Plans N=7 Frequency plan (Band A) Note: The control channels are indicated in bold in these frequency plans (they may be re-assigned as required). Group A1 B1 C1 D1 E1 F1 G1 A2 B2 C2 D2 E2 F2 G2 A3 B3 C3 D3 E3 F3 G3 Channel 333 332 331 330 329 328 327 326 325 ...

  • Nortel Networks 411-2021-111 - page 94

    7-8 Frequency Plans 411-2021-111 Standard 01.01 June 1996 N=7 Frequency plan (Band B) Group A1 B1 C1 D1 E1 F1 G1 A2 B2 C2 D2 E2 F2 G2 A3 B3 C3 D3 E3 F3 G3 Channel 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 Number 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 ...

  • Nortel Networks 411-2021-111 - page 95

    Frequency Plans 7-9 DMS-MTX DualMode Metrocell Cell Site Description N=4 Frequency plan (Band A) N=4 Frequency plan (Band B) Group A1 B1 C1 D1 A2 B2 C2 D2 A3 B3 C3 D3 A4 B4 C4 D4 A5 B5 C5 D5 A6 B6 C6 D6 Channel 333 332 331 330 329 328 327 326 325 324 323 322 321 320 219 318 317 316 315 314 313 312 311 310 Number 309 308 307 306 305 304 303 302 301 ...

  • Nortel Networks 411-2021-111 - page 96

    7-10 Frequency Plans 411-2021-111 Standard 01.01 June 1996 ...

  • Nortel Networks 411-2021-111 - page 97

    Family Product Manual Contacts Copyright Confidentiality Legal statements DocInfo ...

  • Nortel Networks 411-2021-111 - page 98

    DualMode Metrocell Cell Site Description Manual Wireless Customer Documentation, Manager Nortel P .O. Box 833858 Richardson, Texas 75083-3858 Phone: (214) 684-1770 / Fax: (214) 684-3977 Copyright  1996 Northern Telecom NORTHERN TELECOM CONFIDENTIAL: The information contained in this document is the property of Northern Telecom. Except as specifi ...

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