Motorola SG 2000 Provozní pokyny stáhnout pdf (Strana 4)

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AT&T SLW2500 Installation and Operation Manual

Section 4

Installation

Splicing Fiber ..................................................................................................................................4-1

Strand Wire Mounting .......................................................................................................................4-3

Coaxial Cables.................................................................................................................................4-5

Fiber Cables ....................................................................................................................................4-6

Section 5

Operation

SLW2500 Optical Modules.................................................................................................................5-1

SG2-LR Optical Receiver ..................................................................................................................5-1

SG2-DFBT Optical Transmitter ........................................................................................................... 5-3

SLW25-RPLR Return-Path Laser Receiver ...........................................................................................5-4

Configuration ..................................................................................................................................5-5

Forward Path RF .............................................................................................................................. 5-5

Forward Bandsplit Option ..........................................................................................................5-5

Wavelength Selection Jumper.....................................................................................................5-6

Return Path RF ................................................................................................................................ 5-7

Cleaning the Optical Connector..........................................................................................................5-8

Appendix A

Specifications

Appendix B

Torque Specifications

Abbreviations and Acronyms

Figures

Figure 1-1 SLW2500 — closed ...........................................................................................................1-1

Figure 1-2 SLW2500 node — open ......................................................................................................1-2

Figure 2-1 SLW2500 housing dimensions — front and side view .............................................................2-2

Figure 2-2 Housing port locations ......................................................................................................2-3

Figure 2-3 Housing gaskets ..............................................................................................................2-4

Figure 2-4 SG2-PS power supply ........................................................................................................2-5

Figure 2-5 Signal flow diagram..........................................................................................................2-6

Figure 2-6 SG2-LR receiver functional diagram....................................................................................2-8

Figure 2-7 SLW2500 transmitter block diagram...................................................................................2-9

Figure 2-8 Optical input versus 870 MHz gain ...................................................................................2-11

Figure 2-9 Relative level dB versus 870 MHz slope 110 channels .........................................................2-12

1 2 3 4 5 6 7 8 9 ... 52 53

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Motorola SG 2000 Provozní pokyny Strana 4