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Eagle EE-2002 Скачать руководство пользователя страница 1

POSITIVE JAMMING CARRIER

SCRAMBLING SYSTEM

MODEL--EE-2002

INSTALLATION MANUAL

WRITTEN BY: DALE MARLAND

PREPARED BY: PATRICK M. CONWAY

TABLE OF CONTENTS

1.0--GENERAL DESCRIPTION

2.0--FRONT PANEL DESCRIPTION

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2.1--A Quick Look at the Factory Settings

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2.2--Modulation Control

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2.3--Power Control

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2.4--Carrier Control

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2.5--Front Panel Indicators

3.0--REAR PANEL DESCRIPTION

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3.1--A Quick Look At The Factory Settings

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3.2--Powering

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3.3--Pre-emphasis Loop

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3.4--Jamming Carrier Loop

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Содержание EE-2002

Страница 1: ...AY TABLE OF CONTENTS 1 0 GENERAL DESCRIPTION 2 0 FRONT PANEL DESCRIPTION 2 1 A Quick Look at the Factory Settings 2 2 Modulation Control 2 3 Power Control 2 4 Carrier Control 2 5 Front Panel Indicators 3 0 REAR PANEL DESCRIPTION 3 1 A Quick Look At The Factory Settings 3 2 Powering 3 3 Pre emphasis Loop 3 4 Jamming Carrier Loop ...

Страница 2: ...DS Operation Single Jamming Carrier Operation 6 2 SMATV Operation One Encoder for Many Channels 7 0 SPECIFICATIONS DIAGRAMS Fig 1 Front Panel Fig 2 Front Panel Close up Detail Fig 3 Rear Panel Detail Fig 4 Cabling Diagram for the EE 2002 Encoder SECTION 1 0 GENERAL DESCRIPTION The EAGLE EE 2002 Positive Encoder is a state of the art third generation positive scrambling system intended to encode a ...

Страница 3: ... and CCW refer to the clockwise or counter clockwise respectively rotation of an adjustment control Individual switch positions within a particular Dip Switch will be referred to as a hyphenated number attached to the Dip Switch letter example Dip Switch A switch position 3 would be switch A 3 SECTION 2 0 FRONT PANEL DESCRIPTION During the course of this installation manual each section The front ...

Страница 4: ...ook At The Factory Settings Dip Switch A 1 Modulation A 1 1 5 kHz OFF A 2 Combined Positive ON A 3 10 Hz OFF A 4 Combined Negative OFF Dip Switch B 2 Power B 1 External OFF B 2 Master ON B 3 Oscillator Level OFF B 4 Not Used ...

Страница 5: ...one of these switches should be on as they control which of the four available types of modulation is routed to the carrier control switches Switch A 1 when ON delivers a 1 50 kHz continuous tone to the Carrier Modulation switches Switch A 3 when ON delivers a 10 Hz tone Switch A 2 and A 4 combines the two continuous tones into a complex multi tone signals Combined Positive and Combined Negative r...

Страница 6: ...ches are in the ON state Dip switch C 2 when On will transfer the selected modulation tone to carrier 1 Dip switches C 3 and C 4 will control jamming carrier 2 in the same way as Dip switches C 1 and C 2 respectively control jamming carrier 1 2 5 Front Panel Indicators The five LED indicators viewed through the front panel access from left to right are LED1 4 Power indicator A steady light when po...

Страница 7: ... be changed by opening the module and rotating the selector until the correct voltage for your application is present The fuses for the power line are also contained within the entry module The 3mm phono jack labeled EXT 10 accepts a 2 conductor 3mm plug and may be used to externally activate the jamming carriers If the Master Power is in the up OFF and Ext Power switch is down ON the shorting of ...

Страница 8: ...ming carrier loop will combine the activated jamming carriers into the IF passband with their amplitude being varied with the carrier level control 4 0 INSTALLATION AND SET UP The following installation and alignment procedure assumes that the EE 2002 is being installed into a traditional CATV headend For alternate signal delivery technologies see section 6 0 APPLICATION NOTES 4 1 Rack Mounting An...

Страница 9: ...on the IN connector 11 of the Pre Emphasis of the EE 2002 2 Connect a coax cable leading from the OUT connector of the IF loop on your modulator to the 6ELP 3 which is connected to the Pre Emphasis IN 11 3 Connect a coax cable leading from the IN connector of the IF loop on your modulator to the OUT connector of the Jamming Carrier 16 4 Connect a coax cable leading from the Pre Emphasis OUT 12 to ...

Страница 10: ...ctrum analyzer to display the two jamming carriers that are 50 kHz apart Using the Jamming Carrier Level control adjust the level of the lower carrier to equal the visual carrier amplitude If using a field strength meter as an amplitude measuring device after turning the master power switch to its ON state turn the Carrier 2 ON Switch C 3 to the up or OFF state and Carrier 1 Modulation Switch C 2 ...

Страница 11: ...ch B 1 Down for transfer to the rear panel if the Master Switch is up which will transfer the control of any jamming carriers selected for activation by the Carrier On switches to a jack on the rear panel of the EE 2002 chassis Shorting the conductors of the rear panel jack will activate any selected jamming carriers 5 0 OPERATIONAL CHECK Two methods of operational check are available depending up...

Страница 12: ...t that it occurs only in a non subscriber and the placement of a decoding filter prior to the sets input will remove the distortion on adjacent channels This distortion is occurring due to the fact that the TVs IF filter is allowing the jamming carriers to blow through to the demodulation circuitry The remedy for this problem is the placement of a positive and a negative filter on that subscribers...

Страница 13: ...r who wishes to secure many channels in the Low band or lower Mid band a single EE 2002 may be utilized to encode more than one channel The highest frequency channel of those intended to be encoded may make use of the Pre emphasis Loop Of the EE 2002 and may be connected as described above IF out of the modulator to the Pre emphasis Loop IN of the EE 2002 and the Pre emphasis Loop Out of the EE 20...

Страница 14: ... Model System 43 475 43 525 System M N 45 75 43 450 43 500 System M N offset 35 625 35 675 System D K L 38 90 34 725 34 775 System D K L 38 00 36 125 36 175 System B G H 38 90 35 225 35 275 System B G H 38 00 Eagle Comtronics Inc 4562 Waterhouse Road Clay New York 13041 315 622 3402 800 448 7474 FAX 315 622 3800 Copyright 2000 Eagle Comtronics Inc All Rights Reserved ...

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