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VCA/VDA/VEA6800

+

Installation and Operation Manual

19

Chapter 2: Installation and Configuration

Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute.

Setting the Clamping Mode

Follow this procedure to set the jumper for soft-, hard- or no-clamping
mode:
1. Locate the jumper block on the module.

Figure 2-1 on page 17

shows the location of this jumper block.

2. Place the jumper on the pin that corresponds to soft-, hard- or

no-clamping mode. See

Figure 2-4.

VCA6800

+

Clamping Mode Jumper Block Pin

Placement

Adjusting Potentiometers

The VCA6800

+

module has two separate, adjustable potentiometers

(“pots”) for gain and EQ mode adjustment.

Figure 2-1 on page 17

shows the location of these pots.
A multi-turn pot allows you to adjust gain for a range of –3 dB to +3
dB. See

Figure 2-5 on page 20

•

To increase the gain, turn the pot clockwise.

•

To decrease the gain, turn the pot counterclockwise.

A second multi-turn EQ pot allows you to adjust cable equalization. See

Figure 2-5 on page 20

.

•

To obtain more equalization, turn the pot clockwise.

•

For less equalization, turn the pot counterclockwise.

Soft clamp

Hard clamp

No clamp

No clamp

mode

Hard clamp

mode

Soft clamp

Hard clamp

No clamp

Soft clamp

mode

Soft clamp

Hard clamp

No clamp

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Содержание VCA6800+

Страница 1: ...Edition D 175 000181 00 VCA VDA VEA6800 Analog Video Distribution Amplifiers Installation and Operation Manual ...

Страница 2: ......

Страница 3: ...Preliminary Contents are proprietary and confidential Do not photocopy or distribute VCA6800 VDA6800 VEA6800 Analog Video Distribution Amplifier Installation and Operation Manual Edition D July 2007 ...

Страница 4: ...ay be reproduced in any form by any means without prior written authorization of Harris Corporation and its licensors if any This publication could include technical inaccuracies or typographical errors Changes are periodically added to the information herein these changes will be incorporated into new editions of the publication Harris Corporation may make improvements and or changes in the produ...

Страница 5: ...Shipping Information ix Safety Standards and Compliances x Safety Terms and Symbols x Restriction on Hazardous Substances RoHS Directive xi Waste from Electrical and Electronic Equipment WEEE Directive xii Chapter 1 Introduction Overview 1 Product Description 2 Typical Broadcast and Production Applications 2 Main Features 2 Module Descriptions 5 Front Module 5 Back Modules 9 Block Diagrams 11 Chap...

Страница 6: ...ion 15 Checking the Packing List 15 Setting Jumpers and Adjustable Components 17 VCA6800 17 VDA6800 20 VEA6800 22 Installing 6800 Modules 24 Required Frames and Back Connector Types 24 Installing VCA VDA VEA6800 Modules 24 Removing VCA VDA VEA6800 Modules 24 Making Connections 24 Chapter 3 Specifications Overview 25 Inputs 26 Outputs 28 Performance 29 Propagation Delay 32 Temperature 32 Index Keyw...

Страница 7: ...al is written for engineers technicians and operators responsible for the installation setup and or operation of the VCA VDA VEA6800 analog video distribution amplifiers Revision History Table P 1 Manual Revision History Edition Date Revision History A December 2003 Initial release B June 2004 Added information about maximum 6800 frame power ratings Added information concerning looping input termi...

Страница 8: ...rty sheets fields buttons check boxes list boxes combo boxes menus submenus windows lists and selection names Italics Indicates email addresses the names of books or publications and the first instances of new terms and specialized words that need emphasis CAPS Indicates a specific key on the keyboard such as ENTER TAB CTRL ALT or DELETE Code Indicates variables or command line entries such as a D...

Страница 9: ...ove all packaging material from the product and its associated components before you install the unit Keep at least one set of original packaging in the event that you need to return a product for servicing If the original packaging is not available you can purchase replacement packaging at a modest cost or supply your own packaging as long as it meets the following criteria Withstands the weight ...

Страница 10: ... manual Safety Terms and Symbols This product manual uses the following safety terms and symbols to identify certain conditions or practices See the 6800 Safety Instructions and Standards Manual for more information Table P 3 Safety Terms and Symbols WARNING Identifies conditions or practices that can result in personal injury or loss of life high voltage is present Uninsulated dangerous voltage w...

Страница 11: ...ntaminate the environment during end of life recycling The Directive which took effect on July 1 2006 refers to the following hazardous substances Lead Pb Mercury Hg Cadmium Cd Hexavalent Chromium Cr V1 Polybrominated Biphenyls PBB Polybrominated Diphenyl Ethers PBDE According to this EU Directive all products sold in the European Union will be fully RoHS compliant and lead free See our website fo...

Страница 12: ...e products As of August 13 2005 producers or users are required to recycle electrical and electronic equipment at end of its useful life and may not dispose of the equipment in landfills or by using other unapproved methods Some EU member states may have different deadlines In accordance with this EU Directive companies selling electric or electronic devices in the EU will affix labels indicating ...

Страница 13: ...al Do not photocopy or distribute Chapter 1 Introduction Overview This chapter introduces the VCA VDA VEA6800 and includes the following topics The following topics are described in this chapter Block Diagrams on page 11 Main Features on page 2 Module Descriptions on page 5 Product Description on page 2 ...

Страница 14: ... the following One differential input Eight outputs with dual slots back module four outputs with single slot back module when installed in FR6802 X F frames eight outputs when installed in FR6802 DM F frames AC and DC input coupling selectable Looping and internal terminating selectable with dual slot back module internal terminating with single slot back module with FR6802 X F frames looping or ...

Страница 15: ...en installed in FR6802 DM F frames DC input coupling Looping and internal terminating selectable with dual slot back module internal terminating with single slot back module with FR6802 X F frames looping or internal terminating selectable with FR6802 DM F frames see Figure 2 7 on page 21 for instructions on setting this jumper 3dB gain adjustable range 50 MHz bandwidth Module presence reporting v...

Страница 16: ...e with FR6802 DM F frames see Figure 2 10 on page 22 for instructions on setting this jumper 3 dB gain adjustable range 50 MHz bandwidth Continuous cable equalizing up to 984 ft 300 m Belden 8281 cable or equivalent Gain and EQ setting components are installed on a removable submodule in the event of failure on the DA module a replacement DA module can be quickly inserted with the original submodu...

Страница 17: ...s Front Module VCA6800 Figure 1 1 is a generic top front view of a typical VCA6800 front module See Figure 2 1 on page 17 for jumper and adjustment locations Figure 1 1 Typical VCA6800 Front Module VDA6800 Figure 1 2 is a generic top front view of a typical VDA6800 front module See Figure 2 6 on page 20 for jumper and adjustment locations Figure 1 2 Typical VDA6800 Front Module ...

Страница 18: ...qualization network submodules installed in the main module The following modules are available Table 1 1 Product Equalization Cable Types Product Equalization Cable Type VEA6800 S D Equalizing video distribution amplifier for 1000 ft 300 m Belden 8281 cable VEA6800 S D 1 Equalizing video distribution amplifier for 650 ft 200 m Belden 8241 cable VEA6800 S D 2 Equalizing video distribution amplifie...

Страница 19: ...of these control LEDs sometimes referred to as Bank Select LEDs indicate the currently selected bank This item not available on the VCA VDA VEA6800 Monitoring LEDs Each 6800 module has a number of LEDs assigned to indicate varying states functions Local remote control jumper Local Locks out external control panels and allows card edge control only limits the functionality of remote software applic...

Страница 20: ...gnal strength or high jitter also may mean that insufficient EQ applied Validity error Amber AES stream s validity bit is high incoming data not suitable for conversion to an analog audio signal Alarm Amber External alarm contact closure asserted card reporting an alarm Frame status Red Frame alarm Green All OK no frame alarm If the frame status LED is not lit the module may not be operational Tab...

Страница 21: ...ocopy or distribute Back Modules FR6802 Frame Back Module Figure 1 4 shows the single width back connector module and Figure 1 5 shows the double slot back connector module used by the VCA VDA VEA6800 when installed in an FR6802 frame Figure 1 4 Single Width Back Modules for FR6802 Frame Figure 1 5 Double Width Back Module for FR6802 Frame ...

Страница 22: ...es 6800 7000 Series Frame Back Module Overlay Figure 1 7 shows the double slot back connector overlay used by a VCA VDA VEA6800 module when installed in a 6800 7000 series frame Figure 1 7 Back Connector for 6800 7000 Series Frame Note In a DM frame you can create looping inputs by adding a T connector on the input connection and changing the input termination mode jumper setting to external termi...

Страница 23: ...are proprietary and confidential Do not photocopy or distribute Block Diagrams Figure 1 8 VCA6800 Block Diagram Figure 1 9 VDA6800 Block Diagram Termi nation select Output driver Input differential amplifier Gain Cable equalizer EQ AC DC AC DC Clamp Clamp mode select No clamp Soft clamp Hard clamp ...

Страница 24: ...12 VCA VDA VEA6800 Installation and Operation Manual Preliminary Contents are proprietary and confidential Do not photocopy or distribute Chapter 1 Introduction Figure 1 10 VEA6800 Block Diagram ...

Страница 25: ...g an FR6802 frame and its components This chapter also describes how to operate the VCA VDA VEA6800 for use with local controls only See the following documents for information on how to operate this product remotely Pilot Lite User Manual for serial control interface CCS Navigator Pilot CoPilot or RCP CCS 1U Remote Control Panel Installation and Operation Manual for Ethernet control interface Cau...

Страница 26: ...lowable power ratings for 6800 frames Note the given maximums before installing any 6800 modules in your frame VCA VDA VEA6800 modules can be installed in FR6802 frames and 6000 7000 series frames Table 2 1 Maximum Power Ratings for 6800 Frames 6800 Frame Type Max Frame Power Dissipation Number of Usable Slots Max Power Dissipation Per Slot FR6802 XF frame with AC power supply 120 W 20 6 W FR6802 ...

Страница 27: ...npacking Shipping Information on page ix for information about returning a product for servicing Checking the Packing List Note Contact your customer service representative if parts are missing or damaged Table 2 2 VCA VDA VEA6800 Packing List Ordered Product Content Description VCA6800 VCA6800 One VCA6800 front module One VCA VDA VEA6800 Installation and Operation Manual VCA6800 S One VCA6800 fro...

Страница 28: ...DA6800 SR One standard single slot back connector VDA6800 DR One standard double slot back connector VEA6800 VEA6800 One VEA6800 front module One VCA VDA VEA6800 Installation and Operation Manual VEA6800 S One VEA6800 front module One standard single slot back connector One VCA VDA VEA6800 Installation and Operation Manual VEA6800 D One VEA6800 front module One standard double slot back connector ...

Страница 29: ...d Adjustable Components VCA6800 The VCA6800 module has four jumpers which are used to select the following modes One jumper for looping or internal input termination Two jumpers for AC or DC coupling mode One jumper for soft hard or no clamping mode The VCA6800 module also has adjustable potentiometers pots for Gain and EQ modes Figure 2 1 Location of the VCA6800 Jumper Blocks and Adjustable Pots ...

Страница 30: ...ing the Coupling Mode Follow this procedure to set the jumper for AC or DC coupling mode 1 Locate the jumper block on the module Figure 2 1 on page 17 shows the location of this jumper block 2 Place the jumper on the pin that corresponds to AC or DC coupling mode See Figure 2 3 Figure 2 3 VCA6800 Coupling Mode Jumper Block Pin Placement Note In a DM frame you can create looping inputs by adding a ...

Страница 31: ...k Pin Placement Adjusting Potentiometers The VCA6800 module has two separate adjustable potentiometers pots for gain and EQ mode adjustment Figure 2 1 on page 17 shows the location of these pots A multi turn pot allows you to adjust gain for a range of 3 dB to 3 dB See Figure 2 5 on page 20 To increase the gain turn the pot clockwise To decrease the gain turn the pot counterclockwise A second mult...

Страница 32: ...single turn pot controls the response while a variable capacitor controls EQ response The adjustments have been set in the manufacturing facility readjusting is not recommended without precision test equipment VDA6800 The VDA6800 module has one jumper which is used to select the looping or internal input termination The VDA6800 module also has an adjustable pot for gain mode Figure 2 6 Location of...

Страница 33: ...ion of this pot This multi turn pot allows you to adjust gain for a range of 3 dB to 3 dB See Figure 2 8 To increase the gain turn the pot clockwise To decrease the gain turn the pot counterclockwise Figure 2 8 VDA6800 Gain Mode Potentiometer Adjustment A single turn pot allows fine adjustment an additional single turn pot controls response The adjustments have been set in the manufacturing facili...

Страница 34: ...ernal input termination 1 Locate the jumper block on the module Figure 2 9 shows the location of this jumper block 2 Place the jumper on the pin that corresponds to looping or internal input termination See Figure 2 10 Figure 2 10 VEA6800 Input Terminating Jumper Block Pin Placement Gain pot EQ pot Input termination jumper Note In a DM frame you can create looping inputs by adding a T connector on...

Страница 35: ...1 To increase the gain turn the pot clockwise To decrease the gain turn the pot counterclockwise A second multi turn EQ pot allows you to adjust cable equalization See Figure 2 11 To increase equalization turn the pot clockwise To decrease equalization turn the pot counterclockwise Figure 2 11 VEA6800 Gain and EQ Mode Potentiometer Adjustment A single turn pot allows fine adjustment of the CMR A s...

Страница 36: ...ng VCA VDA VEA6800 Modules These modules require no specialized installation procedures See the FR6802 Frame Installation and Operation Manual for information about installing and operating an FR6802 frame and its components See the 6800 Series Frames and Power Supply Installation and Operation Manual for information about installing and operating a 6800 7000 series frame Removing VCA VDA VEA6800 ...

Страница 37: ...ocopy or distribute Chapter 3 Specifications Overview The following specification tables appear in this chapter Inputs on page 26 through page 27 Outputs on page 28 Performance on page 29 through page 31 Propagation Delay on page 32 Temperature on page 32 Specifications and designs are subject to change without notice ...

Страница 38: ...t level 2 5 Vp p centered at 0 V Input impedance 75Ω looping or internal terminating selectable Coupling AC and DC selectable Input return loss 45 dB to 5 MHz 40 dB to 10 MHz CMRR 65 dB to 1 kHz Table 3 2 VDA6800 Input Specifications Item Specification Number of inputs 1 Video input level 1Vp p nominal Maximum input level 2 5 Vp p centered at 0 V Input impedance 75Ω looping or internal terminating...

Страница 39: ...al Do not photocopy or distribute Table 3 3 VEA6800 Input Specifications Item Specification Number of inputs 1 Video input level 1Vp p nominal Maximum input level 2 5 Vp p centered at 0 V Input impedance 75Ω looping or internal terminating selectable Coupling DC Input return loss 45 dB to 5 MHz 40 dB to 10 MHz CMRR 65 dB to 1 kHz ...

Страница 40: ...olation 40 dB 10 MHz Response variation 0 1 dB 10 MHz Phase match 0 2 Table 3 5 VDA6800 Output Specifications Item Specification Number of outputs 4 or 8 Output impedance 75Ω Output return loss 45 dB to 5 MHz 40 dB to 10 MHz Output isolation 40 dB 10 MHz Response variation 0 1 dB 10 MHz Phase match 0 2 Table 3 6 VEA6800 Output Specifications Item Specification Number of outputs 4 or 8 Output imped...

Страница 41: ...ilt 0 20 DC coupling Field tilt 0 20 DC coupling Differential gain 0 15 Differential phase 0 15 DC offset 25 mV Max cable length of EQ 0 300 m Belden 8281 cable Max cable length for optional EQ 0 200 m Belden 8241 cable 0 250 m Belden 1505A cable 0 300 m Belden 1694A cable 0 200 m PSF 1 3 cable 0 250 m Nokia 0 6 2 8 cable 0 250 m VPM2000 cable EQ response 0 05 dB to 5 MHz 0 15 dB to 10 MHz Clamp l...

Страница 42: ...apter 3 Specifications Table 3 8 VDA6800 Performance Specifications Item Specification Gain range 3 dB to 3 dB Frequency response 0 05 dB DC 10 MHz 0 2 dB to 20 MHz 3 dB 50 MHz Line tilt 0 20 DC coupling Field tilt 0 20 DC coupling Differential gain 0 15 Differential phase 0 15 DC offset 25 mV S N ratio 70 dB by VM700 Power dissipation 2 W ...

Страница 43: ... 10 MHz 0 2 dB to 20 MHz 3 dB 50 MHz Line tilt 0 20 DC coupling Field tilt 0 20 DC coupling Differential gain 0 15 Differential phase 0 15 DC offset 25 mV Max cable length of EQ 0 300 m Belden 8281 cable Max cable length for optional EQ 0 200 m Belden 8241 cable 0 250 m Belden 1505A cable 0 300 m Belden 1694A cable 0 200 m PSF 1 3 cable 0 250 m Nokia 0 6 2 8 cable 0 250 m VPM2000 cable EQ response...

Страница 44: ...py or distribute Chapter 3 Specifications Propagation Delay Temperature Table 3 10 Propagation Delay Specifications Item Specification VCA6800 15 1 0 ns VDA6800 14 1 0 ns VEA6800 15 1 0 ns Table 3 11 Temperature Specifications Item Specification Performance temperature 41 104 F 5 40 C Operating temperature 32 122 F 0 50 C ...

Страница 45: ...zardous Substances xi Waste from Electrical and Electronic Equipment xii Features VCA6800 2 3 VDA6800 3 VEA6800 3 4 Front modules 5 8 jumpers 7 LEDs 7 switches 7 VCA6800 5 VDA6800 5 VEA6800 6 I Q Input specifications VCA6800 26 VDA6800 26 VEA6800 27 Input terminating jumper VCA6800 18 VDA6800 21 VEA6800 22 Installation and configuration adjustable components 17 23 back connector types 24 installin...

Страница 46: ...specifications VCA6800 29 VDA6800 30 VEA6800 31 Performance temperature 32 Potentiometers VCA6800 19 20 VDA6800 21 VEA6800 23 Power ratings 14 Preparing for installation 15 Product description 2 4 Product equalization cable types 6 R Z Removing modules 24 Restriction on Hazardous Substances RoHS directive xi Safety compliances x RoHS directive xi standards x symbols x terms x WEEE directive xii Se...

Страница 47: ... adjusting potentiometers 21 block diagram 11 features 3 input terminating jumper 21 packing list 15 16 specifications input 26 output 28 performance 30 VEA6800 adjusting potentiometers 23 block diagram 12 cable types 6 features 3 4 input terminating jumper 22 packing list 16 specifications input 27 output 28 performance 31 Waste from Electrical and Electronic Equipment WEEE directive xii ...

Страница 48: ...36 VCA VDA VEA6800 Installation and Operation Manual Index ...

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