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ADC PWR-AVIS Скачать руководство пользователя страница 27

ADCP-61-814 

•

 Issue 1 

•

 April 1999

Page 23

© 1999, ADC Telecommunications, Inc.

MON

FRONT JACKS

REAR 
EQUIPMENT
CONNECTIONS

75 OHM

0.056 

µ

H

INDUCTOR

75 OHM

JACK ACCESS CARD WITH 

UNITY GAIN AMP

REAR INTERFACE UNIT

OUT

IN

IN

OUT

0.033 

µ

H

INDUCTOR

VIDEO TRANSPORT

SYSTEM

MODULATOR/

UP CONVERTER

NETWORK ELEMENTS

MON

75 OHM

0.056 

µ

H

INDUCTOR

75 OHM

464

OHM

JACK ACCESS CARD

93

OHM

REAR INTERFACE UNIT

OUT

IN

IN

OUT

0.033 

µ

H

INDUCTOR

MON

FRONT JACKS

REAR 
EQUIPMENT
CONNECTIONS

75 OHM

0.056 

µ

H

INDUCTOR

75 OHM

464

OHM

JACK ACCESS CARD

93

OHM

REAR INTERFACE UNIT

OUT

IN

IN

OUT

0.033 

µ

H

INDUCTOR

VERTICAL
INTERVAL

TEST SIGNAL

LOCAL VIDEO

TEST SET

PATCH 
CORDS

6419-A

Figure 27. Non-Intrusive Insertion of Video Test Signal

with Unity Gain Jack Access Card

Содержание PWR-AVIS

Страница 1: ...61 814 Issue 1 April 1999 1052205 Rev A TEST 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 AVIS 16 SIGNAL OUTPUT SIGNAL INPUT CHASSIS GROUND 12249 B SPARE SPARE 48V 1 RET 1 48V 2 RET 2 PS1 ALM A PS1 ALM B PS...

Страница 2: ...ss of profits and ADC further disclaims any and all liability for indirect incidental special consequential or other similar damages This disclaimer of liability applies to all products publications a...

Страница 3: ...FETY PRECAUTIONS v 1 GENERAL 1 2 DESCRIPTION 3 2 1 Physical Description 3 2 2 Functional Description 4 2 3 Technical 10 3 INSTALLATION 12 3 1 Chassis Installation 12 3 2 Cabling 14 4 OPERATION 16 4 1...

Страница 4: ...in descending order of severity of injury or damage and likelihood of occurrence Danger Danger is used to indicate the presence of a hazard that will cause severe personal injury death or substantial...

Страница 5: ...ess card mates with a rear interface unit RIU that is mounted in the chassis A rear interface unit provides the interface for permanent coaxial connections F or BNC to network elements NE see Figure 1...

Страница 6: ...S is shown in Figure 2 VIDEO TRANSPORT SYSTEM 1 1 VIDEO TRANSPORT SYSTEM MODULATOR UP CONVERTER 16 113 8 1 1 X 16 COMBINER 1 1 X 8 COMBINER 1 X 16 COMBINER 8 128 1 2 3 4 5 6 7 8 1 X 8 SPLITTER 1 X 8 S...

Страница 7: ...lling one or two depending upon configuration power supply module s Office power connections for the power supply module s are made as required via two sets of 48V and RET terminals at the rear of the...

Страница 8: ...dB level at the monitor jack The IN and OUT jacks incorporate a make before break switching design and self terminate into 75 ohms to ensure high service performance without interruption The IN switch...

Страница 9: ...Monitor Network MON FRONT JACKS REAR EQUIPMENT CONNECTIONS 75 OHM 0 056 H INDUCTOR 75 OHM 464 OHM JACK ACCESS CARD 93 OHM REAR INTERFACE UNIT OUT IN IN OUT 0 033 H INDUCTOR VIDEO TRANSPORT SYSTEM MOD...

Страница 10: ...des one power supply module for powering the RIUs Figure 6 shows an example of this configuration Figure 6 PWR AVIS With Single Power Supply Module 2 2 1 2 Dual Redundant Powering The dual or redundan...

Страница 11: ...ops below a normal operating threshold of 3 5VDC failure is detected and alarm s are triggered The alarm contacts are normally open and will close when a failure occurs 2 2 3 Single Dual Powering and...

Страница 12: ...urations available A passive 20dB card with Monitor IN and OUT little coax jacks for full jack access An active 0 dB baseband video card with Monitor IN and OUT little coax jacks for full jack access...

Страница 13: ...ould be 75 ohm coaxial with tinned copper shield The recommended maximum length of cable between NEs is shown in Table 1 Cables are available with F or BNC connectors factory pre terminated on one end...

Страница 14: ...Bandwidth 0 to 300 MHz Impedance 75 ohm nominal Insertion Loss RIU RIU and LCJ 0 33 dB nominal 0 40 dB maximum 0 50 dB nominal 0 75 dB maximum Monitor Level 21 5 1 5 dB below signal level 1 MHz to 30...

Страница 15: ...edance 75 ohms nominal Return Loss Input Output 30 dB 5 50 MHz 20 dB 50 100 MHz 20 dB 5 50 MHz 15 dB 50 100 MHz Noise Figure 0 dB 10 dB 20 dB 25 dB Typical 18 dB Typical 17 dB Typical CSO typical 6 ch...

Страница 16: ...ce and equipment All cables should be 75 ohm coaxial with tinned copper shield The recommended maximum lengths are from NE to NE See Figure 11 0 TO 300 Mhz IF RF Circuits Cable Type HEC 2 0 TO 6 Mhz V...

Страница 17: ...alarms if the chassis is configured with one power supply Use PS1 and PS2 alarms if the chassis is configured with dual redundant power supplies TEST 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 AVIS 16 SIG...

Страница 18: ...ce Power Connection 3 2 Cabling Run and Cable the chassis as follows 1 Obtain NE circuit IN and OUT assignments from local support staff 2 Label all IN and OUT cables to identify NE associated with ea...

Страница 19: ...ss the rear cable management tray Follow local practice regarding the use of lacing cord or tie wraps for securing the cables to the tray 5 Measure the length of cable from the cable management tray t...

Страница 20: ...FRONT JACKS REAR EQUIPMENT CONNECTIONS 75 OHM 0 056 H INDUCTOR 75 OHM 464 OHM JACK ACCESS CARD 93 OHM REAR INTERFACE UNIT OUT IN IN OUT 0 033 H INDUCTOR VIDEO TRANSPORT SYSTEM MODULATOR UP CONVERTER N...

Страница 21: ...OUT IN IN OUT 0 033 H INDUCTOR VIDEO TRANSPORT SYSTEM NETWORK ELEMENTS MON 75 OHM 0 056 H INDUCTOR 75 OHM 464 OHM JACK ACCESS CARD REAR INTERFACE UNIT OUT IN IN OUT OUT 0 033 H INDUCTOR MON FRONT JAC...

Страница 22: ...TERFACE UNIT OUT IN IN OUT 0 033 H INDUCTOR VM 700 OR EQUIVALENT VIDEO TEST SET PATCH CORD 6415 A Figure 19 Intrusive Test of Transport Feed MON FRONT JACKS REAR EQUIPMENT CONNECTIONS 75 OHM 0 056 H I...

Страница 23: ...O TRANSPORT SYSTEM MODULATOR UP CONVERTER FAILED SYSTEM PATCH CORD 6417 A 75 OHM TERM PLUG Figure 21 Bypass Failed Video Transport System MON FRONT JACKS REAR EQUIPMENT CONNECTIONS 75 OHM 0 056 H INDU...

Страница 24: ...MENT CONNECTIONS 75 OHM 0 056 H INDUCTOR 75 OHM JACK ACCESS CARD WITH UNITY GAIN AMP REAR INTERFACE UNIT OUT IN IN OUT 0 033 H INDUCTOR VIDEO TRANSPORT SYSTEM MODULATOR UP CONVERTER NETWORK ELEMENTS I...

Страница 25: ...NETWORK ELEMENTS Figure 24 Typical Interconnect Application REAR EQUIPMENT CONNECTIONS IN OUT VIDEO TRANSPORT SYSTEM NETWORK ELEMENTS REAR EQUIPMENT CONNECTIONS IN OUT MODULATOR UP CONVERTER NETWORK E...

Страница 26: ...S 75 OHM 75 OHM 500 OHM 0 056 H INDUCTOR 75 OHM JACK ACCESS CARD REAR INTERFACE UNIT OUT IN 0 033 H INDUCTOR REAR EQUIPMENT CONNECTIONS IN OUT REAR EQUIPMENT CONNECTIONS IN OUT MODULATOR UP CONVERTER...

Страница 27: ...R UP CONVERTER NETWORK ELEMENTS MON 75 OHM 0 056 H INDUCTOR 75 OHM 464 OHM JACK ACCESS CARD 93 OHM REAR INTERFACE UNIT OUT IN IN OUT 0 033 H INDUCTOR MON FRONT JACKS REAR EQUIPMENT CONNECTIONS 75 OHM...

Страница 28: ...33 H INDUCTOR VM 700 OR EQUIVALENT VIDEO TEST SET PATCH CORD 10223 A 75 OHM 500 OHM 75 OHM 500 OHM Figure 28 Non Intrusive Test of Transport Feed MON FRONT JACKS REAR EQUIPMENT CONNECTIONS 75 OHM 0 05...

Страница 29: ...OR UP CONVERTER FAILED SYSTEM PATCH CORD 10225 A 75 OHM TERM PLUG 75 OHM 500 OHM 75 OHM 500 OHM Figure 30 Bypass Failed Video System MON FRONT JACKS REAR EQUIPMENT CONNECTIONS 75 OHM 0 056 H INDUCTOR...

Страница 30: ...AL INTERVAL TEST SIGNAL LOCAL VIDEO TEST SET PATCH CORDS 10227 A 75 OHM 500 OHM 75 OHM 500 OHM 75 OHM 500 OHM Figure 32 Non Intrusive Insertion of Video Test Signal MON FRONT JACKS REAR EQUIPMENT CONN...

Страница 31: ...nications Inc 4 3 Amplifier Jack Access Card REAR EQUIPMENT CONNECTIONS 75 OHM JACK ACCESS CARD REAR INTERFACE UNIT IN OUT 0 033 H INDUCTOR SPLITTER MODEM NETWORK ELEMENTS 10229 A 0 10 or 20 dB AMPLIF...

Страница 32: ...fic Installation and Operation Assistance Troubleshooting and Repair Product Return Department Extension 3748 E Mail repair return adc com ADC Return Authorization number and instructions must be obta...

Страница 33: ...www adc com...

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