C-COR.net FlexNet E7 Equipment Manual
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C-COR.net FlexNet E7 Equipment Manual

700 series line extenders
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FlexNet
®
700 Series Line Extenders
E7 and E629
B R O A D B A N D
C O M M U N I C A T I O N S
P R O D U C T S
E q u i p m e n t
M a n u a l

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Summary of Contents for C-COR.net FlexNet E7

  • Page 1 FlexNet ® 700 Series Line Extenders E7 and E629 B R O A D B A N D C O M M U N I C A T I O N S P R O D U C T S E q u i p m e n t M a n u a l...
  • Page 3 FlexNet ® E 7 a n d E 6 2 9 B R O A D B A N D C O M M U N I C A T I O N S P R O D U C T S E q u i p m e n t M a n u a l...
  • Page 4 C-COR, C-COR Electronics, naviCOR, FlexNet, I-Flex, DV6000, SMART-NETT, Liteamp, and MobileFORCE are registered trademarks and lumaCOR, Optiworx, COR-Convergence, and COR-ISMS are trademarks of C-COR.net Corp. All other brand and product names are trademarks or registered trademarks of their respective companies.

  • Page 5: Technical Support

    Or, call Monday through Friday (8 AM to 5 PM ET [+5 GMT]): Toll Free: 800-233-2267 State College Office: +1-814-231-4422 E-Mail techsupport@c-cor.net Internet http://www.c-cor.net (Go to Support > Technical Support Request) 814-237-5831 Mail Attn: Technical Support Department C-COR.net Corp. 60 Decibel Road State College, PA 16801-7580 USA Rev F...
  • Page 6 814-231-4444 Europe: +43 463 3001 431 Internet http://www.c-cor.net (Go to Support > Repair Services) Technical Publications C-COR Technical Publications welcomes your suggestions and assistance in identifying any errors, inaccuracies, or misleading information. Please reference the document number and page number(s) to which your feedback applies.

  • Page 7: Table Of Contents

    Ta b l e o f C o n t e n t s Chapter 1 Introduction Overview ..............Document Conventions .
  • Page 8 Chapter 6 Maintenance General Inspection ............Fuse/Brass Shorting Bar (Slug) Replacement.
  • Page 9 C H A P T E R I n t r o d u ct i o n This chapter includes an overview of the FlexNet ® 700 Series Line Extender, document conventions, compliance statements, and suggested tools and materials required when working with the E7 Line Extender.
  • Page 10 Overview The E7 Line Extenders (E7 and E629) are broadband line extenders for use in broadband systems. Single output, low-gain E7 Line Extenders designed to operate between cascaded trunk amplifiers: – E70C – E71C Single output, high-gain E7 Line Extenders designed to extend the distribution reach: –...

  • Page 11: Chapter 1 Introduction

    Figure 1.1 E7 Line Extenders E629 E7xx w/ Linear E75 862 MHz ALC Power Supply w/ Integrated Power Supply MODULE MODULE HOLD DOWN MODULE HOLD DOWN FORWARD INTERSTAGE HOLD DOWN PORT PORT PORT PORT MODULE LINE EXTENDER HOLD DOWN FORWARD -25dB INTERSTAGE THRU...
  • Page 12 ® Table 1.1 Part Number Designators (Model Options) for FlexNet 700 Series Line Extender Part Number Designator Options FlexNet 700 Series PHD Line Extender Series 21 dB PHD 28 dB PHD 30 dB PHD Spacing 33 dB PHD 32 dB PHD 35 dB PHD 750MHz Bandwidth...

  • Page 13: Document Conventions

    Document Conventions This manual uses a different typeface to show text that is printed or silkscreened on the E7 Line Extender (for example, ALC). This manual uses the following notes, cautions, and warnings: WARNING: Personal injury could result if instructions are not followed. CAUTION: Equipment damage may result if instructions are not followed.

  • Page 14: Tools And Materials

    Tools and Materials Table 1.2 describes the tools, equipment, and materials that may be required to operate, maintain, and test the E6 or E7 Line Extender. Equipment with equivalent or better specifications may be substituted for those listed in the table. Table 1.2 Tools and Materials Tools/Materials Required Characteristic...
  • Page 15 Table 1.2 Tools and Materials Tools/Materials Required Characteristic Materials Fixed Slope Feed through Zero slope adjustment (P/N MEQ-550-0) Line extender alignment if EQ (MEQ Stripline) jumpers are cut Fixed Attenuator Feed Zero gain adjustment (P/N SPB-0) Line extender alignment if PAD through (PAD Stripline) jumpers are cut Return Upgrade Kit...
  • Page 16 FlexNet ® 700 Series Line Extender Rev F...
  • Page 17 C H A P T E R P h y s i c a l I d ent i f i c a t i o n In this chapter, Figures 2.1 to 2.5 and Table 2.1 on pages 2-8 and 2-9 identify the user-accessible testpoints, plug-in locations, connections, and components for FlexNet ®...
  • Page 18 Figure 2.1 E7 Line Extender w/ Fingerstock High Efficiency Power Supply Fingerstock RF module faceplate has fingerstock attached for grounding purposes. Do not block contact with power supply when closing housing cover. FlexNet ® 700 Series Line Extender Rev F...
  • Page 19 Figure 2.2 E7 Line Extender w/ Linear Power Supply MODULE MODULE HOLD DOWN HOLD DOWN FORWARD INTERSTAGE PORT PORT LINE EXTENDER FORWARD -25dB THRU FORWARD POWER SPACING BALANCING DANGER DANGER FUSE T.P. SER.NO. ALC PILOT MAIN FUSE DANGER SENSITIVITY REVERSE T.P.
  • Page 20 Figure 2.3 E75 862MHz ALC Line Extender with Integrated Power Supply MODULE HOLD DOWN PORT PORT MODULE HOLD DOWN INTERSTAGE DC TP BALANCING LINE FUSE FUSE REV EQ SENSITIVITY OUTPUT REV PAD MODULE HOLD DOWN FlexNet ® 700 Series Line Extender Rev F...

  • Page 21: Chapter 2 Physical Identification

    Figure 2.4 E77 862MHz Line Extender w/ 117V Linear Power Supply MODULE MODULE HOLDDOWN FORWARD HOLDDOWN INTERSTAGE PORT PORT LINE EXTENDER FORWARD -25dB THRU FORWARD POWER BALANCING FUSE T.P. SPACING SER. NO. MAIN FUSE T.P. REVERSE REVERSE MODULE HOLD DOWN REVERSE RAW DC B+ T.P.
  • Page 22 Figure 2.5 E73 Line Extender w/ 117V Linear Power Supply FlexNet ® 700 Series Line Extender Rev F...
  • Page 23 Figure 2.6 E629 Line Extender Rev F Physical Identification...
  • Page 24 Table 2.1 Testpoints, Plug-in Locations, Connections, and Parts Item Label Function Number Allows access to the Port 1 centerseizure screw. PORT 1 Port 1 Testpoint Forward signal input/return signal output testpoint 25dB below the signal for 1 GHz housings which have a 25dB label. Plug-in location for a fixed attenuator accessory for fixed flat loss FORWARD PAD adjustment of the forward signal.
  • Page 25 Table 2.1 Testpoints, Plug-in Locations, Connections, and Parts (cont’d) Item Label Function Number Linear Power Supply Converts AC power to regulated DC voltage for operation of the line extender. (Only the transformer is visible.) A testpoint to measure the unregulated DC voltage from the transformer RAW DC T.P.
  • Page 26 2-10 FlexNet ® 700 Series Line Extender Rev F...

  • Page 27: Chapter 3 Housing Instructions

    C H A P T E R H o u s i n g I n s t r u c ti o n s This chapter describes housing installation, proper opening and closing techniques to be used when accessing the internal components, as well as recommended cable attachment procedures. Preparing for Installation —...

  • Page 28: Front View

    Figure 3.1 Housing Inspection Front View Front View (Outside) Flat Lid Full Lid Bolts External Testpoints Back View (Same for both flat and full lid models) Strand Mount Bosses Convection Fins Wall Mount Bosses Cable Entry Ports Open the housing (instructions in Housing Opening on page 3-4). Inspect the inside of the housing: Inspect the rubber gasket on the housing base.

  • Page 29: Housing Instructions

    Figure 3.2 Housing Inspection Port 1 Port 3 Port 1 Port 3 (Inside) Rubber Gasket Mesh Gasket Flat Lid Housing Full Lid Housing Before closing the housing: The housing may be mounted with or without the RF module installed. Cable attachment may be easier without a module installed.

  • Page 30: Housing Opening

    Housing Opening The electronic components of the FlexNet ® 700 Series Line Extender are enclosed in a specialized, diecast aluminum housing. Proper installation and other housing related procedures are important to ensure the integrity of the electronics in the housing. WARNING: Hazardous voltages are present.

  • Page 31: General Strand/Pedestal Mounting

    General Strand/Pedestal Mounting Strand diameter determines the orientation of the strand clamp. Refer to Figure 3.4. To strand or pedestal mount Attach the strand clamp assemblies to the top strand clamp bosses (mounting surfaces) with the 1-inch clamp bolts and washers (see Figure 3.4), threading the bolts four or five turns. Hoist the housing to the strand and hang it in position.

  • Page 32: Strand/Pedestal Mounting With Extension Mounting Brackets (Embs)

    Strand/Pedestal Mounting With Extension Mounting Brackets (EMBs) Use Extension Mounting Brackets to mount the E7 Line Extender if additional space is required between the unit and the strand. The following kits are available: 3.2-inch (8 cm) EMB (P/N 172187-01) 6-inch (15 cm) EMB (P/N 172187-03) Note: Extension Mounting Brackets (EMBs) are not included with the unit but may be purchased separately.
  • Page 33 Figure 3.5 Strand Mounting 1-inch 1-inch with EMBs Clamp Bolt Clamp Bolt Strand Clamp Strand Clamp O-Ring O-Ring (retaining) 1/4-inch (retaining) 5/16-inch Strand Strand Lock Lock Washer Washer Extension Extension Mounting Mounting Bracket Bracket 1/2-inch 1/2-inch EMB Bolt EMB Bolt Lock Lock Washer...

  • Page 34: Wall Mounting Using Wall Mounting Bosses

    Wall Mounting Using Wall Mounting Bosses Use the wall mounting bosses when mounting the E7 Line Extender to a wall (see Figure 3.6). To wall mount with wall mount bosses Measure the thickness of the surface on which the housing will be located. Plan the installation to provide enough clearance around the housing to install the cable and cable connectors and to ensure access to all housing testpoints and internal electronic components.
  • Page 35 Figure 3.6 Wall/ Mounting with Wall Mount Bosses Wall Mount Boss Wall Mounting Bolt Lock Washer Flat Washer Wall Mount Bosses 9.0 in. (22.86cm) Rev F Housing Instructions...

  • Page 36: Wall Mounting With Embs

    Wall Mounting With EMBs Use Extension Mounting Brackets to mount the E7 Line Extender if additional space is required between the unit and the mounting surface. The following kits are available: 3.2-inch (8 cm) EMB (P/N 172187-01) 6-inch (15 cm) EMB (P/N 172187-03) Note: EMBs are not included with the unit but may be purchased separately.
  • Page 37 Figure 3.7 Wall Mounting with Mounting EMBs Bolt Flat Washer 1/2-inch EMB Bolt Lock Lock Washer Washer Extension Mounting Bracket 3.2-inch (8cm) EMB (P/N 172187-01) 6-inch (15cm) EMB (P/N 172187-03) Wall Top Strand Clamp Boss Top Strand Clamp Bosses 5.5 in. (14.0cm) Rev F Housing Instructions...

  • Page 38: Cable Attachment

    Cable Attachment WARNING: Hazardous voltages are present. Use approved safety procedures. Turn off all power sources to the unit before installing the cable and connectors. CAUTION: Do not back centerseizure screws out more than two full turns. Centerseizure screws are not captive. If backed out more than two full turns, the screws may fall out into the housing and under the RF module, possibly causing short circuits and definitely requiring removal of the RF module and service interruption.
  • Page 39 Figure 3.9 Heatshrink Boot CAUTION: Do not use feed-through type connectors. Use pin type connectors only. Using connectors with center conductors exceeding 0.080 inches (2.03 mm) in diameter will damage the centerseizure mechanism. Prepare the coaxial cable for attachment: Prepare the cable end as recommended by the connector manufacturer. Measure the center conductor length as shown in Figure 3.10.
  • Page 40 CAUTION: Avoid contact of the connector center conductor to the chassis. Be certain that the center conductor extends through the centerseizure post, but does not touch the RF module chassis or housing. Ensure that no cable scraps or foreign materials remain within the housing.
  • Page 41 CAUTION: Torque the centerseizure screw to no more than 5 in-lbs (0.6 N·m) to avoid damage to the seizure block or connector pin. Tip: Tighten the centerseizure screw with only two fingers on the screwdriver. Tighten the centerseizure screw down against the center conductor. Torque to between 3 and 5 in-lbs (0.4 and 0.6 N·m).

  • Page 42: Housing Closing And Tightening

    Housing Closing and Tightening CAUTION: Ensure that no wire scraps or foreign materials remain within the housing. Note: Close the housing whenever it is left unattended to keep moisture out of the unit and protect the network from RF interference. To close the housing Examine the rubber gasket and mesh seal.

  • Page 43: Configuration

    C H A P T E R C o n f i g u r a ti on This chapter contains the procedures for the initial setup of the E7 Line Extender. Included are power supply set up and testing, balancing carrier levels, temperature compensation, forward and return balancing, as well as various upgrade kit installation instructions.

  • Page 44: Voltage Testing

    Verify that an appropriate MAIN FUSE is installed. Table 4.1 lists the appropriate MAIN FUSE values for E7 Line Extenders. Inspect the fuse for visual defects. In E7 Line Extenders with 117 V powering, the MAIN FUSE is located in the RFI filter and must be removed for visual inspection.
  • Page 45 Table 4.3 AC Testpoints Testpoint Test Values Troubleshooting when Unacceptable PORT 1 Centerseizure Screw See Table 4.2 Verify that the center conductor pin and power cable are not shorted to ground. Check the tightness of the centerseizure screw. Check cable plant powering. MAIN FUSE or THRU See Table 4.2 If power is acceptable at the centerseizure screw, but...
  • Page 46 To test a 60V or 90V linear power supply Measure AC voltages at the MAIN FUSE and compare to the range shown in Table 4.2: If the measurements are out of the acceptable range, take the appropriate action shown in Table 4.3. If the measurements are within the acceptable range, record the values on the FlexNet®...

  • Page 47: Calculating Balancing Carrier Levels

    Calculating Balancing Carrier Levels Typically, only the Forward High Balancing Carrier level will need to be calculated (if it is not provided by the system manager). All other balancing carrier levels are near enough to the signal levels of the bandedge carriers that bandedge levels may be used for balancing.
  • Page 48 If the temperature is below 50°F (10°C) or above 90° F (32° C), perform temperature compensation as follows: To compensate for temperature Record the System Forward High and Low Balancing Carrier levels from the E7 Line Extender data sheet below. Perform the calculation to get the adjusted output levels. System Forward High TCV For High Carrier Adjusted Forward High...
  • Page 49 Figure 4.1 Temperature Temperature (°C) Compensation Value Chart Temperature (°F) Rev F Configuration...

  • Page 50: Forward Balancing

    Forward Balancing CAUTION: RF signal levels greater than +30 dBmV @ 1 NTSC channel loading at the hybrid can damage amplifier active components. Do not use test signal levels that will be greater than 30 dBmV at the hybrid (+30 dBmV = +90 dBµV). Note: System values are the recommended values shown on the system map.
  • Page 51 Temperature Need Procedure Compensation? above 90°F (32°C) Perform temperature compensation according to page 4-5. Record the corrected values in the System High and Low Balancing Carrier Levels calculation boxes as shown in steps 5 and 7. below 50°F (10°C) If the air temperature changes more than 20° F (11° C) while balancing the line extender, recalculate the temperature compensation.
  • Page 52 Note: Testpoint losses are 25 dB for 1 GHz housings. Equalize the RF signal: Connect a Signal Level Meter (SLM) to the -25dB FORWARD BALANCING T.P. testpoint. Measure the signal levels of both forward balancing carriers. These levels will be referred to as the Measured High and Low Balancing Carrier Levels.
  • Page 53 Measure and record balancing levels and RF output for future reference: Measure both forward balancing carrier levels and verify that the signal level of the Forward High Balancing Carrier is within acceptable tolerance (typically ±0.5 dB) of the specified system level. If the signal level is not within tolerance, rebalance or troubleshoot the E7 Line Extender.

  • Page 54: Return Balancing

    Return Balancing For signals on the return path to arrive at the headend at the correct level and with as little distortion as possible, the return path must be properly balanced. In a network that is properly return balanced, the return signals on each leg arrive at each succeeding amplifier at the same level and tilt; this is called unity gain.

  • Page 55: Single Person Return Balancing Procedure

    The following sections cover the single person and two person balancing procedures. Single Person Return Balancing Procedure Single person return balancing requires the use of more sophisticated equipment compared to the two person return balancing method. Figure 4.3 shows the typical single person configuration of the test equipment used in the single person return balancing procedure.

  • Page 56: Two Person Return Balancing Procedure

    Two Person Return Balancing Procedure CAUTION: RF signal levels greater than +30 dBmV at the hybrid can damage amplifier active components. Do not use signal levels greater than +30 dBmV at the hybrid. (+30 dBmV = +90 dBµV). Note: The two person method of return balancing requires two technicians communicating between two successive amplifier locations.
  • Page 57 – System Return High System Return Low System Tilt of Measuring Balancing Carrier Level Balancing Carrier Level (Measuring Amp) (Measuring Amp) – Measured Return High Measured Return Low Measured Tilt Balancing Carrier Level Balancing Carrier Level (Measuring Amplifier) (Measuring Amplifier) –...

  • Page 58: Active Return Upgrade Kit Installation

    Active Return Upgrade Kit Installation Active return upgrade kits are available to upgrade a passive return path to an active return path.While preparation and installation are similar for all kits, each kit requires separate bench procedures. CAUTION: Modifications or alterations of C-COR products except as performed by C-COR or its authorized representative will void the product warranty.

  • Page 59: Installing The Kits

    Installing the Kits There are two types of upgrade kits for E7 Line Extenders with passive return: DRM Installation Kits (PN 173342-05/06) – Additional regulator installation kit included with PN 173442-05 UX0124 Installation Kits (PN 173342-02/03/07) – Additional regulator installation kit included with PN 173442-02/03 To install DRM kits For E7 with Passive Return only: Locate the capacitor across the Return Hybrid location.
  • Page 60 To install UX0124 kits For E7 with Passive Return only: Locate the capacitor across the Return Hybrid location. Refer to Figure 4.7 if necessary. Using needle nose pliers, remove the capacitor. It is not soldered to the circuit board. Examine the pins on the UX0124 return hybrid supplied in the kit. The pins should be cut to the length shown in Figure 4.6.
  • Page 61 To install regulator kits Locate the hole in the chassis indicated in Figure 4.8. Place the small insulator pad in the orientation shown. Ensure that the regulator leads are straight. Place sleeves on the regulator pins as shown in Figure 4.8. Orient the regulator as shown.

  • Page 62: Installing Diplex Filters (E729B Only)

    Installing Diplex Filters (E729B Only) E729B line extenders require the installation of diplex filters. Diplex filters are not provided with return upgrade kits and must be purchased separately. Contact your C-COR sales representative for details. To install diplex filters Note: Installing diplex filters without realigning the E7 Line Extender may degrade signal quality.

  • Page 63: Completing The Installation

    Completing the Installation All E7 Line Extenders require the same procedures for completing the upgrade. To complete return kit installation (all kits) Note: After the installation of a Return Hybrid, E7 Line Extender performance should be verified. Realignment of the minimum return loss at 42 and 54 MHz by adjusting the diplex filter coils may be necessary.
  • Page 64 4-22 FlexNet ® 700 Series Line Extender Rev F...

  • Page 65: Troubleshooting Test Procedures

    C H A P T E R Tr o u b l e s h o ot i n g Te s t P r o c e d u r e s This chapter contains procedures that check all operational characteristics of an FlexNet ®...

  • Page 66: Quick Forward Outage Check

    Quick Forward Outage Check This check is not a comprehensive test of all amplifier functions. The steps listed here can help you quickly determine whether or not an amplifier is causing a signal outage to subscribers downstream in the forward path, especially when no automated status monitoring is used. To check for signal outage in the forward path Measure the output signal at the Port 3 external testpoint of the suspect line extender using a signal level meter.

  • Page 67: Forward Path Field Testing

    Forward Path Field Testing This procedure verifies that the E7 Line Extender: is balanced to the correct forward signal levels delivers the specified gain to forward RF signals These procedures require the use of a signal level meter (SLM). A more comprehensive test involves sweeping the entire bandwidth with an appropriate sweep generator/receiver—especially desirable when response problems are suspected.

  • Page 68: Return Path Field Testing

    Return Path Field Testing CAUTION: RF signal levels greater than +30 dBmV @ 1 NTSC channel loading at the hybrid can damage amplifier active components. Do not use test signals greater than +30 dBmV at the hybrid (+30 dBmV = 90 dBµV). This procedure verifies that the E7 Line E extender: is balanced to the correct return signal levels provides the specified gain of return RF signals...
  • Page 69 Figure 5.3 Troubleshooting Flow Diagram (1 of 2) Start AC Voltage with specified Check power source. range? (n/a for (external to unit) L.E. with 117 V powering) Raw DC Does the amplifier voltage within Check external Main fuse OK? use a 117 V power specified power source.
  • Page 70 Figure 5.4 Troubleshooting sheet 2 Flow Diagram (2 of 2) Check previous amplifier FWD RF signal for output and cable and input levels connectors for damage. correct? Verify that all EQs and PADs are securely in place. If so, and FWD RF signal the outputs are still incorrect, output levels...

  • Page 71: Maintenance

    C H A P T E R Ma intena nce This chapter discusses the installation and/or replacement of fuses, power supplies, RF modules, and housings. General Inspection — page 6-1 Fuse/Brass Shorting Bar (Slug) Replacement — page 6-1 RF Module Replacement — page 6-2 H.

  • Page 72: Rf Module Replacement

    To remove the fuse Remove the fuse/slug using a fuse puller. In 117 V powered units, remove the fuse cap by turning the cap counter-clockwise about 1/4 turn using your fingers or a screw driver as needed. The fuse will pop up for easy removal. Refer to Figures 2.2 to 2.5 for fuse locations. Inspect for the following: fatigue cracks or corrosion in both leaves of the fuseclips broken connections between the fuseclips and the circuit board...

  • Page 73: Power Supply Replacement

    Grasp the RF module handles and pull the RF module straight out of the housing. Ensure that the MAIN FUSE is removed from the new RF module. If not, remove it. Refer to Fuse/Brass Shorting Bar (Slug) Replacement on page 6-1 for fuse removal and installation procedures.

  • Page 74: Integrated Power Supply Replacement

    Integrated Power Supply Replacement The following provides bench procedures for replacing the integrated power supply (P/N 173955-01). The RF module must be removed from the E7 Line Extender housing in order to safely replace the power supply. C-COR does not recommend replacing the power supply in a mounted RF module, because neither the power supply cover and its retaining screws, nor the mounting screws, are captive.

  • Page 75: Rf Module Installation

    RF Module Installation WARNING: Hazardous voltages are present. Use approved safety equipment and procedures. CAUTION: Arcing between the RF module and the centerseizure assemblies will damage the unit. Remove the POWER SUPPLY FUSE before removing the RF module. To install the RF module Ensure that the POWER SUPPLY FUSE is removed.

  • Page 76: Housing Replacement

    Housing Replacement WARNING: Hazardous voltages are present. Use approved safety equipment and procedures. Sheath currents may flow through the amplifier housing. Establish a second current path around the housing before disconnecting any cables. Automotive jumper cables are recommended. CAUTION: Amplifier electronic components can be damaged by the environment. Close the housing whenever it is left unattended to keep moisture out of the amplifier and to protect the network from RF interference.
  • Page 77 A P P E N D I X Spec if ic atio ns This appendix provides module, power supply, housing, and input/output information. Table A.1, E7 Line Extender RF Module Specifications — page A-2 Table A.2, E7 Line Extender Power Supplies and Housings — page A-3 Table A.3, Physical Specifications —...
  • Page 78 Table A.1 E7 Line Extender RF Module Specifications Characteristic E75D E77D E70C E71C E72C E73C E73C E729 E629A (117V) (117V) Bandwidth (MHz) Spacing 32dB 35dB 21dB 28dB 30 dB 33dB 33 dB 30/31dB 32dB Level Control ALC, none none none, none Return 20dB...

  • Page 79: Appendix A Specifications

    Table A.2 E7 Line Extender Power Supplies and Housings Line Extender Powering Housing E77D (117V E70C a, b, e f, g, h E71C a, b, e f, g, h E72C a, b, c, e f, g, h E73C a, b, c, e f, g, h E73C (117 V E729...
  • Page 80 Specifications Rev F...
  • Page 81 Rev F Specifications...
  • Page 82 FlexNet ® 700 Series Line Extender Rev F...
  • Page 83 A P P E N D I X Fu nct ion a l Bl ock Di a gra ms This appendix provides functional block diagrams to support the identification and balancing of the FlexNet ® 700 Series Line Extender. Figure B.1, E7 Line Extender — page B-2 Figure B.2, E75 Line Extender 862 MHz with ALC —...
  • Page 84 Figure B.1 E7 Line Extender FlexNet ® 700 Series Line Extender Rev F...

  • Page 85: Appendix B Functional Block Diagrams

    Figure B.2 E75 Line Extender 862 MHz with ALC Rev F Functional Block Diagrams...
  • Page 86 Figure B.3 E7 Line Extender 862MHz/117V FlexNet ® 700 Series Line Extender Rev F...
  • Page 87 Figure B.4 E629 Line Extender Rev F Functional Block Diagrams...
  • Page 88 FlexNet ® 700 Series Line Extender Rev F...

  • Page 89: Appendix C Reference Tables

    A P P E N D I X Re f e r e n c e Ta b le s This section presents product tables that support the balancing procedures of Forward Balancing on page 4-8 and Return Balancing on page 4-12. Use Of Reference Tables —...

  • Page 90: When Preceding Cable Loss And Internal Equalization Are Known

    For example, if you calculated an Equalization Value of 2 dB, then you need an SEQ-862-03 equalizer because: 3.0 (Insertion Loss at 42MHz) – 1.0 (Insertion Loss at 862MHz) 2.0 (Tilt for SEQ-862-03 Series Cable Equalizers) Cable Simulator Selection (Negative Equalization Value) Select a cable simulator from the appropriate table in Reference Tables on page C-5 that has a tilt as close as possible to the desired Equalization Value.

  • Page 91: Installing Plug-In Accessories

    Subtract the E7 Line Extender's factory-installed alignment from the system cable loss to determine the dBs of cable equalization/simulation required at the highest frequency. System Cable Loss – Factory Alignment/Cable Loss X dB If X dB is positive (+), refer to the SEQ table that lists the accessories being used in the system.

  • Page 92: Soldered-In Jumper Removal

    Soldered-in Jumper Removal Some plug-in locations have soldered-in jumpers next to a plug-in location. If an accessory will be installed in any plug-in location that has a soldered-in jumper, the soldered-in jumper must first be removed completely before installing the accessory. CAUTION: Use caution when removing soldered-in jumpers to ensure that no loose wire scraps remain on the RF module printed circuit board.
  • Page 93 Reference Tables SEQ-750 series cable equalizers and SCS-750 cable simulators are designed for forward balancing 750 MHz systems, but may also be used with 550 MHz amplifiers. Similarly, 862 series cable equalizers and simulators are designed for 862 MHz systems, but may be used with 750 and 550 MHz amplifiers. MEQ-550 series cable equalizers and MCS-550 series cable simulators are designed for forward balancing 550 MHz systems.
  • Page 94 Table C.2 SCS-862 Series Cable Simulators Model Insertion Loss in dB at Frequency (MHz) dB of cable simulated at Number SCS-862-02 SCS-862-03 SCS-862-04 SCS-862-05 SCS-862-06 SCS-862-07 SCS-862-08 SCS-862-09 10.2 SCS-862-10 10.0 10.6 11.1 11.5 SCS-862-11 10.0 10.3 11.0 11.8 12.3 12.8 SCS-862-12 10.9...

  • Page 95: Reference Tables

    Table C.3 SEQ-750 Series Cable Equalizers dB of cable equalized at Insertion Loss in dB at Frequency (MHz) highest Model Number frequency SEQ-750-02 SEQ-750-03 SEQ-750-04 SEQ-750-05 SEQ-750-06 SEQ-750-07 SEQ-750-08 SEQ-750-09 10.5 SEQ-750-10 12.0 SEQ-750-11 11.0 10.5 10.2 13.5 SEQ-750-12 11.8 11.3 11.0 14.5...
  • Page 96 Table C.4 SCS-750 Series Cable Simulators Insertion Loss in dB at Frequency (MHz) dB of cable simulated at Model Number SCS-750-02 SCS-750-03 SCS-750-04 SCS-750-05 SCS-750-06 SCS-750-07 SCS-750-08 SCS-750-09 10.5 SCS-750-10 10.4 11.2 SCS-750-11 10.7 10.7 11.9 12.8 SCS-750-12 10.7 11.8 10.7 11.9 13.2 14.2 SCS-750-13 10.2 11.6 12.7 10.1 11.6 12.9 14.3 15.4...
  • Page 97 Table C.6 MEQ-550 and MEQT-550 Series Cable Equalizers dB of cable equalized at Insertion Loss in dB at Frequency (MHz) highest Model Number frequency MEQ-550-02 MEQ-550-03 MEQ-550-04 MEQ-550-05 MEQ-550-06 MEQ-550-07 MEQ-550-08 MEQ-550-09 11.1 MEQ-550-10 12.5 MEQ-550-11 10.8 10.2 13.9 MEQ-550-12 11.7 11.1 10.7...
  • Page 98 Table C.8 MEQ-65 and MEQT-65 Series Cable Equalizers Insertion Loss in dB at dB of cable equalized at Frequency (MHz) Model Number MEQ-65-02 MEQ-65-03 MEQ-65-04 10.5 11.2 12.5 14.9 MEQ-65-05 13.0 15.2 16.2 18.1 21.5 MEQ-65-06 16.0 18.7 19.9 22.2 26.5 MEQ-65-07 19.0...
  • Page 99 Table C.10 MEQ-42 and MEQT-42 Series Cable Equalizers Insertion Loss in dB at dB of cable equalized at Frequency (MHz) Model Number MEQ-42-2 10.2 11.3 13.4 MEQ-42-3 12.6 15.0 15.8 17.7 21.0 MEQ-42-4 16.7 19.4 20.7 23.0 27.0 MEQ-42-5 20.4 23.8 25.4 28.3...
  • Page 100 Table C.12 MEQ-30 AND MEQT-30 Series Cable Equalizers Insertion Loss in dB at dB of cable equalized at Frequency (MHz) Model Number MEQ-30-2 11.0 13.7 15.3 18.2 MEQ-30-3 16.0 19.9 22.2 26.5 MEQ-30-4 21.0 26.1 29.2 34.8 MEQ-30-5 25.0 31.1 34.7 41.4 MEQ-30-6...
  • Page 101 Table C.14 SPB Series Cable Attenuators (PADs) Model 5-1000 Model 5-1000 Model 5-1000 Model 5-1000 Number MHz Flat Number MHz Flat Number MHz Flat Number MHz Flat Loss (dB) Loss (dB) Loss (dB) Loss (dB) SPB-0 SPB-5.5 SPB-11 11.0 SPB-16.5 16.5 SPB-0.5 SPB-6...
  • Page 102 C-14 FlexNet ® 700 Series Line Extender Rev F...

  • Page 103: Appendix D Warranty

    C-COR.net warrants from the date of shipment to Customer that Product bearing the C-COR.net name will substantially conform to C-COR.net specifications in effect as of the date of shipment and will be free from substantial defects in material and workmanship under normal use, given proper installation and maintenance, for the specified warranty period for the Product.
  • Page 104 FlexNet ® 700 Series Line Extender Rev F...

  • Page 105: Appendix E Flexnet ® 700 Series Line Extender Data Sheet

    A P P E N D I X ® FlexNet 700 Series Line Extender Data Sheet This appendix provides a Data Sheet that can be used for recording specific information for each FlexNet ® 700 Series Line Extender. Keep a copy of the Data Sheet for each E7 Line Extender in your system.

  • Page 106: Measured Signal Information

    Measured Signal Information Forward Signal Levels Reverse Signal Levels Forward Forward Reverse Reverse Testpoint Testpoint High Carrier Low Carrier High Carrier Low Carrier P1 (input) P1 (output) P3 (dist output) P3 (input) Internal TP (MAN) Internal TP (ALC/TLC Active) Power Supply Information Power Supply Type Fuse Values Voltages...
  • Page 107 I n d e x accessory tables data sheet E-1 MCS-550 series cable simulators C-9 measured data E-1 MEQ-30 series cable equalizers C-12 measured signal information E-2 MEQ-33 series cable equalizers C-11 technician-selected accessories E-1 MEQ-42 series cable equalizers C-11 power supply information E-2 MEQ-55 series cable equalizers C-10 system map information E-1...
  • Page 108 bolt selection 3-8 MEQT-550 C-9 general strand/pedestal 3-5 MEQT-65 C-10 strand/pedestal mounting with EMBs 3-6 model options wall mounting 3-8 bandwidth 1-4 wall mounting with EMBs 3-10 frequency split 1-4 opening 3-4 housing 1-4 options 1-4 housing finish 1-4 physical characteristics A-3 internal cable equalization 1-4 preparing for installation 3-1 level control 1-4...
  • Page 109 H.E. power supply 6-3 integrated power supply 6-4 temperature compensation 4-5 voltage testing 4-2 tools required 1-6 powering options 1-4 troubleshooting 5-1 flow diagrams 5-5–5-6 foward path field testing 5-3 quick forward outage check 5-2 return path field testing 5-4 quick forward outage check 5-2 using accessory tables reference tables C-1...
  • Page 110 Index-4 Rev F...
  • Page 112 ® FlexNet 700 Series Line Extenders AMERICAS HEADQUARTERS 60 Decibel Road State College, Pennsylvania 16801 Tel. +1-814-238-2461 Tel. +1-800-233-2267 Fax +1-814-238-4065 EUROPACIFIC HEADQUARTERS P.O. Box 10.265 1301 AG Almere The Netherlands Tel. +31-36-546 1111 Fax +31-36-536 4255 www.c-cor.net...

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