Motorola BLE*/* Manuale Utente

Installation andOperation ManualBLE*/*Broadband Line ExtenderASSEMBLEDINMEXICO426315

1-4 Introduction BLE*/* Installation and Operation Manual If You Need Help If you need assistance while working with the BLE*/*, contact the Motoro

BLE*/* Installation and Operation Manual Section 2 Overview The BLE*/* is a two-way capable line extender used in CATV distribution systems. The BL

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

2-2 Overview BLE*/* Installation and Operation Manual Configuration The BLE*/* is fully configured in the Motorola factory per customer request. It

Overview 2-3 BLE*/* Installation and Operation Manual Housing The BLE*/* is furnished in a BLE-HSG/15 aluminum housing that protects the electron

2-4 Overview BLE*/* Installation and Operation Manual Gaskets Each housing is equipped with a recessed woven-wire RF gasket and a silicone-rubber g

Overview 2-5 BLE*/* Installation and Operation Manual Port Locations Two housing ports provide connection for coaxial cables. Four port plugs in

2-6 Overview BLE*/* Installation and Operation Manual Power Supply The BLE*/* power supply is a separate circuit board mounted to the underside of

Overview 2-7 BLE*/* Installation and Operation Manual Forward Path The operational gain of the E-GaAs BLE*/* amplifiers is 28 dB or 32 dB (depend

2-8 Overview BLE*/* Installation and Operation Manual The input and output of the return path each include a JXP-*B pad facility. You can also use

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

Overview 2-9 BLE*/* Installation and Operation Manual Model Description Function SFE-*-* Starline Forward Equalizer This bandwidth specific (

2-10 Overview BLE*/* Installation and Operation Manual Figure 2-8 illustrates the location of options and accessories in the BLE*/*: Figure 2-8 BL

BLE*/* Installation and Operation Manual Section 3 Amplifier Setup This section provides instructions for fully configuring the BLE*/* and describe

3-2 Amplifier Setup BLE*/* Installation and Operation Manual  Perform a bench alignment. Pre-aligning the BLE*/* response on the bench (Section 4

Amplifier Setup 3-3 BLE*/* Installation and Operation Manual Substituting this information in equation (1) provides the following result: 10.0 dB

3-4 Amplifier Setup BLE*/* Installation and Operation Manual Figure 3-1 illustrates a graph of the equalizer slope versus equalizer value informati

Amplifier Setup 3-5 BLE*/* Installation and Operation Manual STARLINE Cable Simulators STARLINE cable simulators, model SCS-*, are used in place

3-6 Amplifier Setup BLE*/* Installation and Operation Manual The information in Table 3-2 is shown as a graph in Figure 3-2: Figure 3-2 Frequency

Amplifier Setup 3-7 BLE*/* Installation and Operation Manual  C3 produces a peak that is centered approximately 300 MHz above the lowest forwar

3-8 Amplifier Setup BLE*/* Installation and Operation Manual Figure 3-4 illustrates BLE87* flatness and control ranges: Figure 3-4 Typical flatnes

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Amplifier Setup 3-9 BLE*/* Installation and Operation Manual Amplifier Level Control Signal levels vary in a cable system primarily because cable

3-10 Amplifier Setup BLE*/* Installation and Operation Manual 8 Check the amplifier output tilt by measuring the high band- and low band-edge carri

Amplifier Setup 3-11 BLE*/* Installation and Operation Manual 2 Position the drive control select jumper (Figure 2-8) temporarily in the MAN posi

3-12 Amplifier Setup BLE*/* Installation and Operation Manual ADU Pads and Levels This subsection provides information regarding the proper ADU pad

Amplifier Setup 3-13 BLE*/* Installation and Operation Manual It is recommended that you:  Do not use wire jumpers to bypass the SRE-*-* locati

3-14 Amplifier Setup BLE*/* Installation and Operation Manual Powering and Surge Protection In conventional applications, the BLE*/*s are powered t

BLE*/* Installation and Operation Manual Section 4 Bench Testing Motorola’s recommended procedure for placing a new BLE*/* into service is to fully

4-2 Bench Testing BLE*/* Installation and Operation Manual Test Equipment and Connections The equipment typically used for testing the BLE*/* consi

Bench Testing 4-3 BLE*/* Installation and Operation Manual 6 Measure the gain at mixed forward frequency using the procedure outlined in the oper

4-4 Bench Testing BLE*/* Installation and Operation Manual Testing Return Gain and Response After configuring the return path, you can test the ret

BLE*/* Installation and Operation Manual Contents Section 1 Introduction Using This Manual ...

BLE*/* Installation and Operation Manual Section 5 Installation The field installation procedures presented in the following subsections assume tha

5-2 Installation BLE*/* Installation and Operation Manual 9 Check the ac voltage setting (jumper J1, Figure 2-6). J1 position Description LO The

Installation 5-3 BLE*/* Installation and Operation Manual Pedestal Installation Pedestal installation is similar to aerial installation with the

BLE*/* Installation and Operation Manual Section 6 Operating Tips This section describes using amplifiers in lower frequency systems and in lower g

BLE*/* Installation and Operation Manual Appendix A Specifications Specifications are valid over the given passband and operating temperature range

A-2 Specifications BLE*/* Installation and Operation Manual Model BLE87S/G* Specification Forward Amplifier Passband (S-split) 52 through 870 MHz G

Specifications A-3 BLE*/* Installation and Operation Manual RA-Kit/L Return Amplifier Parameter Specification Passband (S-split) 5 through 40 MH

BLE*/* Installation and Operation Manual Appendix B Torque Specifications Torque specifications are valid for all models of the BLE*/*. Torque

BLE*/* Installation and Operation Manual Abbreviations and Acronyms The abbreviations and acronyms list contains the full spelling of the short for

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ii Contents BLE*/* Installation and Operation Manual Return Path Alignment...

Contents iii BLE*/* Installation and Operation Manual Figures Figure 1-1 BLE*/* - closed ...

BLE*/* Installation and Operation Manual Section 1 Introduction The Motorola STARLINE® series of broadband line extenders, BLE*/*, accept a single

1-2 Introduction BLE*/* Installation and Operation Manual Figure 1-2 illustrates an open BLE*/*: Figure 1-2 BLE*/* - open BaseLidLDRFWDEQRT NEQJXP

Introduction 1-3 BLE*/* Installation and Operation Manual Using This Manual The following sections provide information and instructions to bench