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SG2440Telecommunications Optical NodeInstallation and Operation Manual427IN6STARLINE®

1-2 Introduction SG2440 Installation and Operation Manual Figure 1-2 illustrates an open SG2440 telecommunications optical node: Figure 1-2 SG2440

Introduction 1-3 SG2440 Installation and Operation Manual  Optional LIFELINE™ status monitoring  User-friendly fiber management  60/90 volt

1-4 Introduction SG2440 Installation and Operation Manual Document Conventions Before you begin to use the SG2440, familiarize yourself with the st

Introduction 1-5 SG2440 Installation and Operation Manual 4 Ship the unit PREPAID to the following address: Motorola, Inc. Broadband Communicati

SG2440 Installation and Operation Manual Section 2 Overview The SG2440 is a major upgrade of the capabilities of the SG2000 telecommunications opti

2-2 Overview SG2440 Installation and Operation Manual Housing The SG2440 optical node is furnished in an aluminum housing that protects the electro

Overview 2-3 SG2440 Installation and Operation Manual Port Locations Six housing ports provide connection for coaxial cables. Housing Port 2 and

2-4 Overview SG2440 Installation and Operation Manual Gaskets Each housing is equipped with a woven-wire RF gasket and a silicone-rubber gasket to

Overview 2-5 SG2440 Installation and Operation Manual Network Monitoring The optional LIFELINE Status Monitoring System enables you to monitor th

2-6 Overview SG2440 Installation and Operation Manual Model Description Function SG2-PS Power supply Provides the +24 V and +5 V dc supply to th

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

Overview 2-7 SG2440 Installation and Operation Manual Return Band Return band configurations utilize up to two optical transmitters in the follow

2-8 Overview SG2440 Installation and Operation Manual Figure 2-4 provides a diagram of the signal flow-path through the SG2440: Figure 2-4 Signal

Overview 2-9 SG2440 Installation and Operation Manual Configuration You can order the SG2440 in a number of configurations to suit system require

2-10 Overview SG2440 Installation and Operation Manual The following subsections present the options in the same left-to-right sequence as the cons

Overview 2-11 SG2440 Installation and Operation Manual Bandpass Frequency Splits (SG2440-X*) The SG2440 is configured with sufficient frequency b

2-12 Overview SG2440 Installation and Operation Manual Figure 2-7 illustrates the tilt selection chart for 750 MHz bandwidth: Figure 2-7 Relative

Overview 2-13 SG2440 Installation and Operation Manual RF Configuration (SG2440-XXX-*) The SG2440 is configured with four active RF outputs (Key

2-14 Overview SG2440 Installation and Operation Manual Forward Path Padding The pad values presented in Table 2-2 serve as a starting point referen

Overview 2-15 SG2440 Installation and Operation Manual Level Control (SG2440-XXX-XX*) The SG2440 is configured with a temperature compensation un

2-16 Overview SG2440 Installation and Operation Manual Figure 2-10 illustrates the SG2-PS power supply: Figure 2-10 SG2-PS power supply SG2-PSASSE

FCC ComplianceFCC ComplianceFCC ComplianceFCC Compliance This equipment has been tested and found to comply with the limits for a Class A digital d

SG2440 Installation and Operation Manual Section 3 Bench Setup and Operation Before you install the SG2440, it must be set-up to meet the power and

3-2 Bench Setup and Operation SG2440 Installation and Operation Manual To facilitate on-line replacement on SG2440s equipped with redundant power s

Bench Setup and Operation 3-3 SG2440 Installation and Operation Manual SG2440 forward-path configuration options include: Key 8 Forward Path Con

3-4 Bench Setup and Operation SG2440 Installation and Operation Manual Figure 3-4 illustrates the plug-in board required for the standard-forward,

Bench Setup and Operation 3-5 SG2440 Installation and Operation Manual Standard Forward Redundant In the standard forward redundant configuration

3-6 Bench Setup and Operation SG2440 Installation and Operation Manual Figure 3-7 illustrates the JP2 suitcase jumper located on the lid motherboar

Bench Setup and Operation 3-7 SG2440 Installation and Operation Manual 11 Move JP2 to the B override position, which turns receiver A off. 12 Re

3-8 Bench Setup and Operation SG2440 Installation and Operation Manual 3 Ensure that the PIC cable is properly connected to the lid and E-pack conn

Bench Setup and Operation 3-9 SG2440 Installation and Operation Manual Frequency Band Split and Frequency Band Split with Redundancy In the frequ

3-10 Bench Setup and Operation SG2440 Installation and Operation Manual To set up the frequency band split and frequency band split with redundancy

SG2440 Installation and Operation Manual Contents Section 1 Introduction Using this Manual ...

Bench Setup and Operation 3-11 SG2440 Installation and Operation Manual Return Path Configuration The following subsections present information t

3-12 Bench Setup and Operation SG2440 Installation and Operation Manual SG2440 return-path configuration options include: Key 9 Return Path Config

Bench Setup and Operation 3-13 SG2440 Installation and Operation Manual Figure 3-14 illustrates the plug-in board required for the single combine

3-14 Bench Setup and Operation SG2440 Installation and Operation Manual Split Return with Analog and 1X Digital Transmitters In the split return co

Bench Setup and Operation 3-15 SG2440 Installation and Operation Manual 5 Verify that the green LED (ON), located on the top panel of the transmi

3-16 Bench Setup and Operation SG2440 Installation and Operation Manual Figure 3-18 provides greater detail of the DS-SG2-DRT-2X/A second RF input

Bench Setup and Operation 3-17 SG2440 Installation and Operation Manual Split Redundant Return with 2X Digital Transmitters In the split return w

3-18 Bench Setup and Operation SG2440 Installation and Operation Manual Figure 3-21 illustrates the two DS-SG2-DRT-2X/A transmitters installed in t

Bench Setup and Operation 3-19 SG2440 Installation and Operation Manual Segmented Return with 2X Digital Transmitters In the segmented return con

3-20 Bench Setup and Operation SG2440 Installation and Operation Manual 5 Refer to Section 4, “Optical Modules,” for instructions on 2X Digital Tra

ii Contents SG2440 Installation and Operation Manual Single Combined and Redundant Single Combined Return...

Bench Setup and Operation 3-21 SG2440 Installation and Operation Manual Powering the Node You can conveniently power the SG2440 by applying 60 Va

3-22 Bench Setup and Operation SG2440 Installation and Operation Manual In addition to providing overcurrent protection, fuse locations also determ

Bench Setup and Operation 3-23 SG2440 Installation and Operation Manual Table 3-1 identifies and describes the ac fuse options: Table 3-1 AC fuse

3-24 Bench Setup and Operation SG2440 Installation and Operation Manual The dc supply can deliver 4.3 A at +24 V and 0.85 A at +5 V. Test points ar

Bench Setup and Operation 3-25 SG2440 Installation and Operation Manual Other power configurations are possible, but not recommended. CAUTION! T

SG2440 Installation and Operation Manual Section 4 Optical Modules This section identifies and provides detailed information on the forward and ret

4-2 Optical Modules SG2440 Installation and Operation Manual Removing SG2440 Optical Modules The SG2440 optical modules design enables you to remov

Optical Modules 4-3 SG2440 Installation and Operation Manual SG2-R/* Optical Receiver The SG2-R/* is a line of forward-path optical receivers use

4-4 Optical Modules SG2440 Installation and Operation Manual Figure 4-2 illustrates the SG2-R/* receiver: Figure 4-2 SG2-R/* HYBRIDCURRENT(1 V/A)O

Optical Modules 4-5 SG2440 Installation and Operation Manual The wavelength selection jumper is factory-set and provides optimum calibration in a

Contents iii SG2440 Installation and Operation Manual Appendix A Specifications Appendix B Torque Specifications Abbreviations and Acronyms Figur

4-6 Optical Modules SG2440 Installation and Operation Manual Figure 4-4 illustrates the relationship between test-point voltage (Vdc) and optical p

Optical Modules 4-7 SG2440 Installation and Operation Manual SG2-FPT Optical Transmitter The SG2-FPT is a non-isolated Fabry-Perot return-path op

4-8 Optical Modules SG2440 Installation and Operation Manual SG2-EIFPT Optical Transmitter The SG2-EIFPT (illustrated in Figure 4-6) is an enhanced

Optical Modules 4-9 SG2440 Installation and Operation Manual SG2-DFBT Optical Transmitter The SG2-DFBT is an isolated distributed feedback (DFB)

4-10 Optical Modules SG2440 Installation and Operation Manual SG2-DFBT/3 Optical Transmitter The SG2-DFBT/3 is an isolated distributed feedback (DF

Optical Modules 4-11 SG2440 Installation and Operation Manual DS-SG2-DRT/A Digital Return Transmitter The DS-SG2-DRT/A is an SG2 return transmitt

4-12 Optical Modules SG2440 Installation and Operation Manual Table 4-7 provides information on the user-related features of the DS-SG2-DRT/A trans

Optical Modules 4-13 SG2440 Installation and Operation Manual DS-SG2-DRT-2X/A Digital Return Transmitter The DS-SG2-DRT-2X/A is an SG2 return tra

4-14 Optical Modules SG2440 Installation and Operation Manual Table 4-8 provides information on the user-related features of the DS-SG2-DRT-2X/A: T

Optical Modules 4-15 SG2440 Installation and Operation Manual Figure 4-13 illustrates the DS-SG2-DRT-2X/A installed in the SG2440 with completed

iv Contents SG2440 Installation and Operation Manual Figure 3-18 DS-SG2-DRT-2X/A cable connector ...

4-16 Optical Modules SG2440 Installation and Operation Manual Status Monitoring Table 4-9 identifies and describes the status monitor provisions bu

Optical Modules 4-17 SG2440 Installation and Operation Manual Manual Control Board The SG2440 manual control board (SG2-MCB) serves to locally co

4-18 Optical Modules SG2440 Installation and Operation Manual Description Function Potentiometers ICS1 through ICS4 Control the attenuation of th

Optical Modules 4-19 SG2440 Installation and Operation Manual Ingress Control The SG2440 platform incorporates electronic ingress control switchi

SG2440 Installation and Operation Manual Section 5 Installation Installation consists of splicing the six-fiber service cable to the transportation

5-2 Installation SG2440 Installation and Operation Manual 3 Assemble the splice enclosure following the instructions furnished with the enclosure.

Installation 5-3 SG2440 Installation and Operation Manual Strand Wire Mounting Two strand clamps and bolt assemblies are located on a bracket att

5-4 Installation SG2440 Installation and Operation Manual Figure 5-3 Mounting bracket-rear and side views 34 OUT12IN637 82145 To mount the housing

Installation 5-5 SG2440 Installation and Operation Manual Figure 5-4 illustrates the dimensions of the center conductor: Figure 5-4 Center condu

5-6 Installation SG2440 Installation and Operation Manual 3 Carefully dress the excess fiber into the ramp of the fiber spool tray. Wrap the fiber

Contents v SG2440 Installation and Operation Manual Table 4-4 SG2-EIFPT features...

Installation 5-7 SG2440 Installation and Operation Manual 5 Position the fiber service cable in the compression fitting to provide some slack in

SG2440 Installation and Operation Manual Appendix A Specifications Specifications for the SG2440 are valid over the given bandpass and operating te

A-2 Specifications SG2440 Installation and Operation Manual Table A-3 lists the general characteristics for the SG2440 node: Table A-3 SG2440 gene

Specifications A-3 SG2440 Installation and Operation Manual Table A-6 lists the RF performance specifications for the SG2-FPT laser transmitter:

A-4 Specifications SG2440 Installation and Operation Manual Table A-9 lists the RF performance specifications for the SG2-EIFPT laser transmitter:

Specifications A-5 SG2440 Installation and Operation Manual Table A-11 lists the RF performance specifications for the SG2-DRT-2X/A digital retu

SG2440 Installation and Operation Manual Appendix B Torque Specifications Torque specifications are valid for all models of the SG2440 node. Torqu

SG2440 Installation and Operation Manual Abbreviations and Acronyms The abbreviations and acronyms list contains the full spelling of the short fo

Abbreviations and Acronyms-2 SG2440 Installation and Operation Manual OMI optical modulation index P-V Peak-to-valley pA picoampere PIC power interc

495166-0015/02MGBI

SG2440 Installation and Operation Manual Section 1 Introduction Motorola’s STARLINE® SG2440 scaleable optical node is the successor to the popular