Motorola SG 2000 Instructions d'exploitation

SG 2000Telecommunications Optical NodeInstallation and Operation Manual427IN6STARLINE®

1-2 Introduction SG 2000 Installation and Operation Manual Figure 1-2 illustrates an open SG 2000 telecommunications optical node: Figure 1-2 SG 2

Specifications A-7 SG 2000 Installation and Operation Manual Table A-13 lists the current requirements for various options and the two platforms

A-8 Specifications SG 2000 Installation and Operation Manual Table A-14 lists distortion and c/n performance for the SG2-75 with a load of 77 chann

SG 2000 Installation and Operation Manual Appendix B Torque Specifications Torque specifications are valid for all models of the SG 2000 node. Tor

SG 2000 Installation and Operation Manual Abbreviations and Acronyms The abbreviations and acronyms list contains the full spelling of the short f

Abbreviations and Acronyms-2 SG 2000 Installation and Operation Manual NTSC National Television Standards Committee OMI optical modulation index P-V

481740-00112/01MGBI

Introduction 1-3 SG 2000 Installation and Operation Manual ! Optional LIFELINE™ status monitoring ! User-friendly fiber management ! 60/90 vol

1-4 Introduction SG 2000 Installation and Operation Manual Document Conventions Before you begin to use the SG 2000, familiarize yourself with the

Introduction 1-5 SG 2000 Installation and Operation Manual Calling for Repairs If repair is necessary, call the Motorola Repair Facility at 1-800

SG 2000 Installation and Operation Manual Section 2 Overview Designed to be flexible, you can configure the SG 2000 with up to three optical receiv

2-2 Overview SG 2000 Installation and Operation Manual Port Locations The five housing ports, shown in Figure 2-2, provide connection for coaxial ca

Overview 2-3 SG 2000 Installation and Operation Manual Gaskets Each housing is equipped with a woven-wire gasket and a silicone-rubber weather ga

2-4 Overview SG 2000 Installation and Operation Manual Power Supply The SG 2000 power supply (SG2-PS2) is located in the housing lid to optimize hea

Overview 2-5 SG 2000 Installation and Operation Manual Network Monitoring The optional LIFELINE Status Monitoring System (LL-SG2) enables you to

2-6 Overview SG 2000 Installation and Operation Manual You can order the SG 2000 in a number of configurations to suit system requirements. The ship

CautionCautionCautionCaution These servicing instructions are for use by qualified personnel only. To reduce the risk of electrical shock, do not pe

Overview 2-7 SG 2000 Installation and Operation Manual Refer to the current Motorola catalog for option and feature availability. Forward Path Th

2-8 Overview SG 2000 Installation and Operation Manual To assess fiber link status, the optical-power monitor circuit is active at all times (even w

Overview 2-9 SG 2000 Installation and Operation Manual SG2-LR Receiver The receiver module (SG2-LR) is designed specifically for high performance

2-10 Overview SG 2000 Installation and Operation Manual Analog Return Path Similar to the multiple optical receivers, the dual return-path optical

Overview 2-11 SG 2000 Installation and Operation Manual Figure 2-8 illustrates a functional block diagram of the SG2 transmitter: Figure 2-8 SG2

2-12 Overview SG 2000 Installation and Operation Manual Digital Return Path The digital return transmitter series (DS-SG2-DRT*) converts a broadban

Overview 2-13 SG 2000 Installation and Operation Manual When configured for redundancy, both return transmitters are normally active and transmit

2-14 Overview SG 2000 Installation and Operation Manual Level Control The gain of hybrid IC amplifiers varies with temperature. In addition, changes

Overview 2-15 SG 2000 Installation and Operation Manual Model Description Function SG2-MCB Manual control board This board locally controls the i

2-16 Overview SG 2000 Installation and Operation Manual Gain Selection Figures 2-9 through 2-13 illustrate SG 2000 gain and tilt selection charts ba

SG 2000 Installation and Operation Manual Contents Section 1 Introduction Using this Manual...

Overview 2-17 SG 2000 Installation and Operation Manual Figure 2-10 illustrates the gain option selection chart for 870 MHz: Figure 2-10 Optical

2-18 Overview SG 2000 Installation and Operation Manual Tilt Selection To use the tilt selection charts, first determine the system operating bandwi

Overview 2-19 SG 2000 Installation and Operation Manual Figure 2-12 illustrates the tilt selection chart for 870 MHz bandwidth and 94-channel loa

2-20 Overview SG 2000 Installation and Operation Manual Figure 2-13 illustrates the tilt selection chart for 870 MHz bandwidth and 110-channel load:

SG 2000 Installation and Operation ManualSection 3Bench SetupBefore you install the SG 2000 you must set it up to meet the power and configuration req

3-2 Bench SetupSG 2000 Installation and Operation ManualFigure 3-2 illustrates the RF chassis with the cover removed indicating the location of majorc

Bench Setup 3-3SG 2000 Installation and Operation ManualPowering the NodeYou can conveniently power the SG 2000 by applying 60 Vac or 90 Vac to housin

3-4 Bench SetupSG 2000 Installation and Operation ManualTable 3-1 identifies and describes the ac fuse options:Table 3-1AC fusesFuse Function Rating T

Bench Setup 3-5SG 2000 Installation and Operation ManualFigure 3-4 illustrates the RF chassis cover and lid showing the location of the fuses:Figure 3

3-6 Bench SetupSG 2000 Installation and Operation ManualNote that no damage results if the jumper is not changed. In a 90 Vac system, changing the jum

ii Contents SG 2000 Installation and Operation Manual Quick Checks - Functional Testing...

Bench Setup 3-7SG 2000 Installation and Operation ManualSingle Power Supply or Commonly Powered Redundant SuppliesTo activate a single power supply or

3-8 Bench SetupSG 2000 Installation and Operation ManualQuick Checks - Functional TestingIt is recommended that you perform the procedures presented i

Bench Setup 3-9SG 2000 Installation and Operation Manual9 Remeasure the output level. It should be within 1 dB of the preferred level. If necessary, a

3-10 Bench SetupSG 2000 Installation and Operation ManualAnalog Return PathFigure 3-1 illustrates the location of the return-path transmitter modules.

Bench Setup 3-11SG 2000 Installation and Operation ManualForward Path PaddingThe pad values, presented in Table 3-2 or Table 3-3, serve as a starting-

3-12 Bench SetupSG 2000 Installation and Operation ManualTable 3-2SG 2000 pad chart-standard gainInput Output dBmVdBm/mW 38 39 40 41 42 43 44 45 46 47

Bench Setup 3-13SG 2000 Installation and Operation ManualTable 3-3SG 2000 pad chart-high gainInput Output dBmVdBm/mW 38 39 40 41 42 43 44 45 46 47 48

3-14 Bench SetupSG 2000 Installation and Operation ManualLaunch Amplifier Output Stage PaddingBy definition the launch amplifier is everything between

Bench Setup 3-15SG 2000 Installation and Operation ManualFigure 3-9SG2-87 low-gain output-stage pad-effects chart40.0045.0050.0055.0060.0065.0070.0075

3-16 Bench SetupSG 2000 Installation and Operation ManualFigure 3-10SG2-* link c/n performance, 77 channels4748495051525354555657-6 -5 -4 -3 -2 -1 0 1

Contents iii SG 2000 Installation and Operation Manual SG2-DFBT/3 Optical Transmitter...

Bench Setup 3-17SG 2000 Installation and Operation ManualFigure 3-11SG2-* link c/n performance, 110 channels4546474849505152535455-6 -5 -4 -3 -2 -1 0

3-18 Bench SetupSG 2000 Installation and Operation ManualInstalling the DS-SG2-DRRB Board OptionThe SG2 Digital Return Redundancy Board (DS-SG2-DRRB)

Bench Setup 3-19SG 2000 Installation and Operation ManualFigure 3-13DS-SG2-DRRB board installedSG2-DRT-2X/A(”B” location)SG2-DRT-2X/A(”A” location)DS-

3-20 Bench SetupSG 2000 Installation and Operation ManualFigure 3-14Location of JXPs on E-packReplace 0 dB JXPwith1dBJXPReplace 0 dB JXPwith1dBJXP

Bench Setup 3-21SG 2000 Installation and Operation ManualFigure 3-15 illustrates a complete SG2 lid with the DS-SG2-DRRB board (shaded gray) installed

3-22 Bench SetupSG 2000 Installation and Operation ManualInstalling the Status Monitor OptionThe model LL-SG2-*/* transponder is available as part of

Bench Setup 3-23SG 2000 Installation and Operation ManualSG 2000 Activation WorksheetThis worksheet is provided as a convenient reference to log perti

3-24 Bench SetupSG 2000 Installation and Operation ManualDC poweringIs the suitcase jumper on the power pack(s) in the correct position? _____60 V (lo

SG 2000 Installation and Operation Manual Section 4 Installation Installation consists of splicing the six-fiber service cable to the transportatio

4-2 Installation SG 2000 Installation and Operation Manual 3 Assemble the splice enclosure following the instructions furnished with the enclosure.

iv Contents SG 2000 Installation and Operation Manual Figure 3-6 JP1 common-powered single or redundant power configuration...

Installation 4-3 SG 2000 Installation and Operation Manual Strand Wire Mounting Two strand clamps and bolt assemblies are located on a bracket at

4-4 Installation SG 2000 Installation and Operation Manual Figure 4-3 Mounting bracket-rear and side views 34 OUT12IN637 82145 To mount the housing

Installation 4-5 SG 2000 Installation and Operation Manual Figure 4-4 illustrates the dimensions of the center conductor: Figure 4-4 Center cond

4-6 Installation SG 2000 Installation and Operation Manual 3 Carefully dress the excess fiber into the ramp of the fiber spool tray. Wrap the fiber

Installation 4-7 SG 2000 Installation and Operation Manual 4 Connect each fiber by removing the protective boot from the fiber connector, cleanin

SG 2000 Installation and Operation Manual Section 5 Operation This section provides information concerning the use of various options and applicati

5-2 Operation SG 2000 Installation and Operation Manual Redundant Receiver Mode Operation in the redundant mode requires the installation of two opt

Operation 5-3 SG 2000 Installation and Operation Manual AB Override Functionality The AB override switch (jumper JP2, illustrated in Figure 3-1)

5-4 Operation SG 2000 Installation and Operation Manual A Override The SG2-LIDB overrides the status monitor or manual control board signal and acti

Operation 5-5 SG 2000 Installation and Operation Manual Analog Return Path RF Configuration If you are using a single optical transmitter, it mus

Contents v SG 2000 Installation and Operation Manual Figure 5-23 DS-SG2-DRT-2X/A...

5-6 Operation SG 2000 Installation and Operation Manual For upgrading to split return operation, with DS-SG2-DRT-2X/A transmitters installed in posi

Operation 5-7 SG 2000 Installation and Operation Manual 4 Remove the eight screws that secure the SG2-RPM/C board to the chassis. Remove the SG2-

5-8 Operation SG 2000 Installation and Operation Manual If you are using a single DS-SG2-DRT-2X/A transmitter, it must be installed in the optical t

Operation 5-9 SG 2000 Installation and Operation Manual SG 2000 Optical Modules The optical modules available for the SG 2000 include: ! SG2-LR

5-10 Operation SG 2000 Installation and Operation Manual Cleaning the Optical Connector The design of the SG 2000 optical module connector enables y

Operation 5-11 SG 2000 Installation and Operation Manual Tables 5-1 and 5-2 provide additional information on the user-related features and outpu

5-12 Operation SG 2000 Installation and Operation Manual Optical input level(dBm/mW) TP Volts (1 mW=1 V) Output (dBmV) 77 channels Output (dBmV) 110

Operation 5-13 SG 2000 Installation and Operation Manual Wavelength Selection Jumper The SG2-LR can be used with either 1310 nm or 1550 nm transm

5-14 Operation SG 2000 Installation and Operation Manual 7 To verify the position of the optical connector assembly, lift the metal tab and attempt

Operation 5-15 SG 2000 Installation and Operation Manual Feature Description Transmitter enable A green LED that provides visual indication of th

vi Contents SG 2000 Installation and Operation Manual Table A-13 Current requirements ...

5-16 Operation SG 2000 Installation and Operation Manual Feature Description Transmitter enable A green LED that provides visual indication of the t

Operation 5-17 SG 2000 Installation and Operation Manual Feature Description Transmitter enable A green LED that provides visual indication of th

5-18 Operation SG 2000 Installation and Operation Manual SG2-DFBT/3 Optical Transmitter The SG2-DFBT/3 is an isolated distributed feedback (DFB) ret

Operation 5-19 SG 2000 Installation and Operation Manual SG2-EIFPT Optical Transmitter The SG2-EIFPT is an enhanced, isolated, Fabry-Perot return

5-20 Operation SG 2000 Installation and Operation Manual DS-SG2-DRT/A Digital Return Transmitter The DS-SG2-DRT/A is an SG2 return transmitter that

Operation 5-21 SG 2000 Installation and Operation Manual Table 5-8 provides information on the user-related features of the DS-SG2-DRT/A transmit

5-22 Operation SG 2000 Installation and Operation Manual DS-SG2-DRT-2X/A Digital Return Transmitter The DS-SG2-DRT-2X/A is an SG2 return transmitter

Operation 5-23 SG 2000 Installation and Operation Manual Table 5-9 provides information on the user-related features of the DS-SG2-DRT-2X/A: Tabl

5-24 Operation SG 2000 Installation and Operation Manual Figure 5-25 illustrates the DS-SG2-DRT-2X/A cable connector: Figure 5-25 DS-SG2-DRT-2X/A c

Operation 5-25 SG 2000 Installation and Operation Manual Figure 5-27 provides greater detail of the DS-SG2-DRT-2X/A second RF input cable connect

SG 2000 Installation and Operation Manual Section 1 Introduction Motorola’s SG 2000 telecommunications optical node performs light wave-to-RF and R

5-26 Operation SG 2000 Installation and Operation Manual Status Monitoring Table 5-10 identifies and describes the status monitor provisions built i

Operation 5-27 SG 2000 Installation and Operation Manual Manual Control Board The SG 2000 manual control board (SG2-MCB) serves to locally contro

5-28 Operation SG 2000 Installation and Operation Manual Description Function Alarm test point (ALRM TP) provides access for measuring the cross-o

Operation 5-29 SG 2000 Installation and Operation Manual Ingress Control The SG 2000 platform incorporates electronic ingress control switching e

SG 2000 Installation and Operation Manual Appendix A Specifications Specifications for the SG 2000 are valid over the given bandpass and operating

A-2 SpecificationsSG 2000 Installation and Operation ManualParameter SpecificationFlatness over passband±0.75 dB, all portsOperational tilt (standard)

Specifications A-3 SG 2000 Installation and Operation Manual Table A-5 lists the RF performance specifications for the SG2-IFPT laser transmitter

A-4 Specifications SG 2000 Installation and Operation Manual Table A-7 lists the RF performance specifications for the SG2-DFBT laser transmitter:

Specifications A-5 SG 2000 Installation and Operation Manual Table A-9 lists the RF performance specifications for the SG2-EIFPT laser transmitte

A-6 Specifications SG 2000 Installation and Operation Manual Table A-11 lists the RF performance specifications for the SG2-DRT-2X/A digital return