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C-COR.net FlexNet E629 Equipment Manual

Manual is about: 700 Series Line Extenders

Summary of FlexNet E629

  • Page 1

    Americas headquarters europacific headquarters 60 decibel road state college, pennsylvania 16801 usa tel. +1-814-238-2461 tel. +1-800-233-2267 fax +1-814-238-4065 p.O. Box 10.265 1301 ag almere the netherlands tel. +31-36-546 1111 fax +31-36-536 4255 www.C-cor.Net b r o a d b a n d c o m m u n i c a...

  • Page 2

    Introduction.Fm page 10 monday, april 1, 2002 12:43 pm.

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    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 flexnet ® e7 and e629 e q u i p m e n t m a n u a l.

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    Flexnet ® 700 series line extenders c-cor document number: mx0507 revision f copyright © 1993, 1996, 1997, 1999, 2001, 2002 c-cor.Net corp. All rights reserved. Trademarks c-cor, c-cor electronics, navicor, flexnet, i-flex, dv6000, smart-nett, liteamp, and mobileforce are registered trademarks and l...

  • Page 5

    Rev f iii contacting c-cor customer service contact customer service if your product has been damaged during shipping. Phone 800-233-2267 internet http://www.C-cor.Net (go to support > customer service ) mail attn: customer service department c-cor.Net corp. 60 decibel road state college, pa 16801-7...

  • Page 6

    Iv rev f repair services contact repair services to request a return material authorization (rma) if you need to return a product for repair. Phone dv and optiworx equipment (except europe): 800-504-4443 , option 4 lumacor, navicor, and flexnet equipment: 814-231-4444 europe: +43 463 3001 431 intern...

  • Page 7

    Rev f v table of contents chapter 1 introduction 1-1 overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 document conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 8

    Vi rev f chapter 6 maintenance 6-1 general inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 fuse/brass shorting bar (slug) replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 rf m...

  • Page 9

    Rev f introduction 1-1 c h a p t e r 1 introduction 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. Overview —page 1-2 document conventions —pa...

  • Page 10

    1-2 flexnet ® 700 series line extender rev f 1 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 e...

  • Page 11

    Rev f introduction 1-3 1 figure 1.1 e7 line extenders port 1 module hold down module hold down module hold down rev balancing tp fwd eq fwd pad p/s fuse line fuse alc alc sensitivity rev eq rev pad man 24v dc tp interstage eq ac tp fwd balancing tp port 2 3 2 raw dc increase 90 v 60 v 30 v 117 v 1 s...

  • Page 12

    1-4 flexnet ® 700 series line extender rev f 1 based on the model options in table 1.1, an e7 line extender with the part number, e72cjpa12c6d1 , has the following options: ■ 700 series line extender— e7 ■ 30 db phd — 2 ■ 750mhz— c ■ 42/54 mhz split— j ■ lid-mounted power supply— p ■ tlc — a1 ■ pass...

  • Page 13

    Rev f introduction 1-5 1 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: statements of compliance fcc compliance : this device complies w...

  • Page 14

    1-6 flexnet ® 700 series line extender rev f 1 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 tab...

  • Page 15

    Rev f introduction 1-7 1 materials fixed slope feed through (meq stripline) zero slope adjustment (p/n meq-550-0) line extender alignment if eq jumpers are cut fixed attenuator feed through (pad stripline) zero gain adjustment (p/n spb-0) line extender alignment if pad jumpers are cut return upgrade...

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    1-8 flexnet ® 700 series line extender rev f 1.

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    Rev f physical identification 2-1 c h a p t e r 2 physical identification 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 ® 700 series line extenders. Figure 2.1, e7 line extend...

  • Page 18

    2-2 flexnet ® 700 series line extender rev f 2 figure 2.1 e7 line extender w/ 90v ac high efficiency power supply 1 1. Rf module faceplate has fingerstock attached for grounding purposes. Do not block contact with power supply when closing housing cover. 2 3 7 8 10 11 13 14 16 17 18 13 13 5 4 15 1 1...

  • Page 19

    Rev f physical identification 2-3 2 figure 2.2 e7 line extender w/ linear power supply b+ t.P. Module hold down reverse pad reverse b+ t.P. Tlc man reverse pad reverse b+ t.P. Cable select b+ t.P. 6 db 15 db module hold down danger h i g h h i g h v o l t a g e v o l t a g e 3 2 raw dc increase 90 v...

  • Page 20

    2-4 flexnet ® 700 series line extender rev f 2 figure 2.3 e75 862mhz alc line extender with integrated power supply port 1 module hold down module hold down module hold down rev output tp fwd eq fwd pad p/s fuse line fuse alc alc sensitivity rev eq rev pad man 24v dc tp interstage eq ac tp fwd balan...

  • Page 21

    Rev f physical identification 2-5 2 figure 2.4 e77 862mhz line extender w/ 117v ac linear power supply x a t tention w arning dorem et lorel en sabad deriddem lireeden ilfarde e huire le fjor desi dorem et lorel e n s abad deriddem lireeden ilfarde e huire le fjor desi dorem et lorel en sabad deridd...

  • Page 22

    2-6 flexnet ® 700 series line extender rev f 2 figure 2.5 e73 line extender w/ 117v ac linear power supply x 16 25 2 3 13 13 5 4 1 7 8 10 11 6 22 13 14 20 19.

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    Rev f physical identification 2-7 2 figure 2.6 e629 line extender 19 4 5 3 21 17 20 14 13 13 16.

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    2-8 flexnet ® 700 series line extender rev f 2 table 2.1 testpoints, plug-in locations, connections, and parts item number label function 1 port 1 allows access to the port 1 centerseizure screw. 2 port 1 testpoint forward signal input/return signal output testpoint 25db below the signal for 1ghz ho...

  • Page 25

    Rev f physical identification 2-9 2 19 linear power supply converts ac power to regulated dc voltage for operation of the line extender. (only the transformer is visible.) 20 raw dc t.P. A testpoint to measure the unregulated dc voltage from the transformer and rectifier. This should be between 28 a...

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    2-10 flexnet ® 700 series line extender rev f 2.

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    Rev f housing instructions 3-1 c h a p t e r 3 housing instructions 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 3-1 housing o...

  • Page 28

    3-2 flexnet ® 700 series line extender rev f 3 figure 3.1 housing inspection (outside) 3. Open the housing (instructions in housing opening on page 3-4). 4. Inspect the inside of the housing: a. Inspect the rubber gasket on the housing base. B. Inspect the metal mesh gasket on the lid. C. Be certain...

  • Page 29

    Rev f housing instructions 3-3 3 figure 3.2 housing inspection (inside) 5. Before closing the housing: a. The housing may be mounted with or without the rf module installed. Cable attachment may be easier without a module installed. Refer to rf module replacement on page 6-2 beginning with step 4 fo...

  • Page 30

    3-4 flexnet ® 700 series line extender rev f 3 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 electronic...

  • Page 31

    Rev f housing instructions 3-5 3 general strand/pedestal mounting strand diameter determines the orientation of the strand clamp. Refer to figure 3.4. ➤ to strand or pedestal mount 1. Attach the strand clamp assemblies to the top strand clamp bosses (mounting surfaces) with the 1-inch clamp bolts an...

  • Page 32

    3-6 flexnet ® 700 series line extender rev f 3 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 (8cm) emb (p/n 1...

  • Page 33

    Rev f housing instructions 3-7 3 figure 3.5 strand mounting with embs lock washer nut 1-inch clamp bolt strand clamp orientation for 1/4-inch strand or smaller strand clamp orientation for 5/16-inch strand or larger strand clamp 1/4-inch strand 1/2-inch emb bolt lock washer o-ring (retaining) extens...

  • Page 34

    3-8 flexnet ® 700 series line extender rev f 3 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 1. Measure the thickness of the surface on which the housing will be located. 2. ...

  • Page 35

    Rev f housing instructions 3-9 3 figure 3.6 wall/ mounting with wall mount bosses wall flat washer mounting bolt wall mount boss lock washer 9.0 in. (22.86cm) wall mount bosses.

  • Page 36

    3-10 flexnet ® 700 series line extender rev f 3 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 (8cm) emb (p/n 172187-01) ■ 6-inch (15cm) emb ...

  • Page 37

    Rev f housing instructions 3-11 3 figure 3.7 wall mounting with embs wall mounting bolt top strand clamp boss extension mounting bracket 1/2-inch emb bolt 3.2-inch (8cm) emb (p/n 172187-01) 6-inch (15cm) emb (p/n 172187-03) lock washer flat washer nut lock washer 5.5 in. (14.0cm) top strand clamp bo...

  • Page 38

    3-12 flexnet ® 700 series line extender rev f 3 cable attachment ➤ to attach cable 1. For each port, use a #2 phillips screwdriver to turn the centerseizure screw clockwise until it just seats, then loosen it no more than two turns. Refer to figure 3.8 as needed. 2. Remove the plastic cap or threade...

  • Page 39

    Rev f housing instructions 3-13 3 figure 3.9 heatshrink boot 4. Prepare the coaxial cable for attachment: a. Prepare the cable end as recommended by the connector manufacturer. B. Measure the center conductor length as shown in figure 3.10. C. Ensure that the center conductor length is at least 1 1/...

  • Page 40

    3-14 flexnet ® 700 series line extender rev f 3 6. Attach the coaxial cable to the housing: a. Thread the connector body into the cable entry port. Be sure that the center conductor extends through the centerseizure block, but does not touch anything inside the housing. Figure 3.11 exploded view of ...

  • Page 41

    Rev f housing instructions 3-15 3 e. Tighten the centerseizure screw down against the center conductor. Torque to between 3 and 5 in-lbs (0.4 and 0.6n·m). The centerseizure screw must be tight enough to ensure good electrical contact, but should not bend or cut the center conductor. 7. Connect cable...

  • Page 42

    3-16 flexnet ® 700 series line extender rev f 3 housing closing and tightening ➤ to close the housing 1. Examine the rubber gasket and mesh seal. Remove any foreign material that could interfere with proper sealing. Dry any moist areas. 2. Close the lid until it is flush with the rubber gasket. Thre...

  • Page 43

    Rev f configuration 4-1 c h a p t e r 4 configuration 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 ins...

  • Page 44

    4-2 flexnet ® 700 series line extender rev f 4 2. 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 117v ac powering, the main fuse is located in the rfi filter a...

  • Page 45

    Rev f configuration 4-3 4 ➤ to test an h.E. Power supply 1. 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, ...

  • Page 46

    4-4 flexnet ® 700 series line extender rev f 4 ➤ to test a 60v or 90v linear power supply 1. 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 ...

  • Page 47

    Rev f configuration 4-5 4 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 band...

  • Page 48

    4-6 flexnet ® 700 series line extender rev f 4 if the temperature is below 50°f (10°c) or above 90°f (32°c), perform temperature compensation as follows: ➤ to compensate for temperature 1. Record the system forward high and low balancing carrier levels from the e7 line extender data sheet below. Per...

  • Page 49

    Rev f configuration 4-7 4 figure 4.1 temperature compensation value chart cab le loss (db) at 68°f (20°c) temperature (°c) temperature (°f) tcv = 0.0 db tcv = 3.0 db tcv = 1.0 db tcv = 1.5 db tcv = 2.0 db tcv = 2.5 db tcv = -1.5 db tcv = -1.0 db tcv = -0.5 db tcv = 0.5 db -30 130 110 90 70 -10 23 7 ...

  • Page 50

    4-8 flexnet ® 700 series line extender rev f 4 forward balancing forward balancing requirements make sure that the following conditions are valid for the e7 line extender before you start to balance: ✔ the system map is marked with amplifier output levels for bandedge frequencies. ✔ forward balancin...

  • Page 51

    Rev f configuration 4-9 4 3. If the carriers adjacent to the alc pilot carrier will be used in the active system, ensure that they are on when balancing the e7 line extender. If these carriers cannot be turned on, perform the following steps to adjust the alc pilot carrier to compensate for the adja...

  • Page 52

    4-10 flexnet ® 700 series line extender rev f 4 5. Equalize the rf signal: a. Connect a signal level meter (slm) to the -25db forward balancing t.P. Testpoint. B. Measure the signal levels of both forward balancing carriers. These levels will be referred to as the measured high and low balancing car...

  • Page 53

    Rev f configuration 4-11 4 7. Measure and record balancing levels and rf output for future reference: a. 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 lev...

  • Page 54

    4-12 flexnet ® 700 series line extender rev f 4 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 eac...

  • Page 55

    Rev f configuration 4-13 4 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...

  • Page 56

    4-14 flexnet ® 700 series line extender rev f 4 two person return balancing procedure ➤ to balance the return path 1. Obtain the return high and low balancing carrier levels from the system map for both amplifiers. Record these levels in the corresponding boxes on the flexnet® 700 series line extend...

  • Page 57

    Rev f configuration 4-15 4 4. Attenuate the rf output ports: a. At the measuring amplifier, measure the adjusted return high balancing carrier level and record it as shown in the box below. Calculate the pad value. B. Select an spb pad that has a flat loss as close to the pad value as possible. C. I...

  • Page 58

    4-16 flexnet ® 700 series line extender rev f 4 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. These in...

  • Page 59

    Rev f configuration 4-17 4 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 regu...

  • Page 60

    4-18 flexnet ® 700 series line extender rev f 4 ➤ to install ux0124 kits 1. For e7 with passive return only: a. Locate the capacitor across the return hybrid location. Refer to figure 4.7 if necessary. B. Using needle nose pliers, remove the capacitor. It is not soldered to the circuit board. 2. Exa...

  • Page 61

    Rev f configuration 4-19 4 ➤ to install regulator kits 1. Locate the hole in the chassis indicated in figure 4.8. Place the small insulator pad in the orientation shown. 2. Ensure that the regulator leads are straight. 3. Place sleeves on the regulator pins as shown in figure 4.8. 4. Orient the regu...

  • Page 62

    4-20 flexnet ® 700 series line extender rev f 4 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...

  • Page 63

    Rev f configuration 4-21 4 completing the installation all e7 line extenders require the same procedures for completing the upgrade. ➤ to complete return kit installation (all kits) . 1. Position the faceplate on the rf module and secure it using the screws removed in to prepare for return upgrade k...

  • Page 64

    4-22 flexnet ® 700 series line extender rev f 4.

  • Page 65

    Rev f troubleshooting test procedures 5-1 c h a p t e r 5 troubleshooting test procedures this chapter contains procedures that check all operational characteristics of an flexnet ® 700 series line extender that is suspected of being faulty. Overview —page 5-1 quick forward outage check —page 5-2 po...

  • Page 66

    5-2 flexnet ® 700 series line extender rev f 5 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, espe...

  • Page 67

    Rev f troubleshooting test procedures 5-3 5 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 comp...

  • Page 68

    5-4 flexnet ® 700 series line extender rev f 5 return path field testing 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 the following procedure requires the use of a slm. A more comprehensive t...

  • Page 69

    Rev f troubleshooting test procedures 5-5 5 figure 5.3 troubleshooting flow diagram (1 of 2) start no ac voltage with specified range? (n/a for l.E. With 117 v powering) no check power source. (external to unit) does the amplifier use a 117 v power supply? Raw dc voltage within specified range? Yes ...

  • Page 70

    5-6 flexnet ® 700 series line extender rev f 5 figure 5.4 troubleshooting flow diagram (2 of 2) fwd rf signal input levels correct? Fwd rf signal output levels correct? Check previous amplifier for output and cable and connectors for damage. Verify that all eqs and pads are securely in place. If so,...

  • Page 71

    Rev f maintenance 6-1 c h a p t e r 6 maintenance 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. E. Power supply replac...

  • Page 72

    6-2 flexnet ® 700 series line extender rev f 6 ➤ to remove the fuse 1. Remove the fuse/slug using a fuse puller. In 117 v ac 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. R...

  • Page 73

    Rev f maintenance 6-3 6 3. Grasp the rf module handles and pull the rf module straight out of the housing. 4. 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

    6-4 flexnet ® 700 series line extender rev f 6 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 doe...

  • Page 75

    Rev f maintenance 6-5 6 rf module installation ➤ to install the rf module 1. Ensure that the power supply fuse is removed. If not, then remove it according to procedures in to remove the fuse on page 6-2 2. Firmly press the rf module into the housing until the back of the module contacts the inside ...

  • Page 76

    6-6 flexnet ® 700 series line extender rev f 6 housing replacement ➤ to replace the housing 1. Remove the rf module and power supply module as described in rf module replacement on page 6-2 and h. E. Power supply replacement on page 6-3 2. Beginning at port 1 and using a #2 phillips screwdriver, loo...

  • Page 77

    Rev f specifications a-1 a p p e n d i x a specifications 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 specifica...

  • Page 78

    A-2 flexnet ® 700 series line extender rev f a table a.1 e7 line extender rf module specifications 1 1. The listed characteristics are for current and previous models. Some models and characteristics may no longer be available. Contact your c-cor sales representative for specific information. Charac...

  • Page 79

    Rev f specifications a-3 a table a.2 e7 line extender power supplies and housings line extender powering housing e77d (117v ac ) d j 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 ac ) d i e729 a, b f, g, h e75d e h e629 a, b f, g, h a. 60v ac ,...

  • Page 80

    A-4 specifications rev f a ta bl e a .4 fl exnet ® 700 se ri es l in e e xte nd er in p u ts an d o u tp ut s 1 mo d el in fo rm ati o n fo rw ar d re tu rn oper. Ga in @ max m hz in tern al c abl e e qua liza tion 2 / flat lo ss mi n im u m in p u ts (d b m v ) ou tp u ts 3 (d bm v ) min imu m in p...

  • Page 81

    Rev f specifications a-5 a e7 3cl xn a 4c xx x 33 db 4/3 0 — 14 .5 12 7. 5 5 — 47 .5 44 38 .5 34 17@ 40 17 — — — — 35 35 e7 3cl xn a 5c 33 db 4/3 0 — 14. 5 12 7. 5 5 — 47 .5 44 38 .5 35 17 @ 40 17 — — — 37 37 e7 3cj xna 5c xx x 33 db 4/3 0 — 14 .5 12 7. 5 5 — 47 .5 44 38 .5 35 17@ 42 17 — — 37 — 37 ...

  • Page 82

    A-6 flexnet ® 700 series line extender rev f a.

  • Page 83

    Rev f functional block diagrams b-1 a p p e n d i x b functional block diagrams 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 a...

  • Page 84

    B-2 flexnet ® 700 series line extender rev f b figure b.1 e7 line extender thermal le v el control b+ (24 v dc ) h l h l p ort 1 rf ac ac po wer rf ac ac po wer pin diode attenuator reverse pa d reverse eq lo w p ass filter b+ (24 v dc ) b+ (24 v dc ) -25 d b for w ard balancing t. P . Thr u po wer ...

  • Page 85

    Rev f functional block diagrams b-3 b figure b.2 e75 line extender 862 mhz with alc rf signals and a c po wer combined rf signals only a c po wer only dc po wer le gend * h l h l reverse pa d reverse eq lo w p ass filter b+ (24 v dc ) b+ (24 vdc) -25 db for w ard b alancing t. P . B+ (24 v dc ) for ...

  • Page 86

    B-4 flexnet ® 700 series line extender rev f b figure b.3 e7 line extender 862mhz/117v ac h l h l p ort 1 reverse pa d reverse eq lo w p ass filter b+ (24 v dc ) b+ (24 v dc ) -25 d b for w ard balancing t. P . B+ (24 v dc ) for w ard pa d for w ard eq interst ag e eq amplif ier 8 db igc high p ass ...

  • Page 87

    Rev f functional block diagrams b-5 b figure b.4 e629 line extender po wer supply port 1 rf ac ac po wer port 3 rf ac ac po wer thr u po wer f use pa d eq interstage eq pre- amplif ier b+ (24 v dc ) main fuse rf signals and a c po wer combined rf signals only a c po wer only dc po wer optional compo...

  • Page 88

    B-6 flexnet ® 700 series line extender rev f b.

  • Page 89

    Rev f reference tables c-1 a p p e n d i x c reference tables 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 c-1 installing plug-in accessories —page c-3 reference tables —pa...

  • Page 90

    C-2 flexnet ® 700 series line extender rev f c for example, if you calculated an equalization value of 2db, then you need an seq-862-03 equalizer because: cable simulator selection (negative equalization value) select a cable simulator from the appropriate table in reference tables on page c-5 that ...

  • Page 91

    Rev f reference tables c-3 c 3. 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. ■ if x db is positive (+), refer to the seq table that lists the accessories being used in t...

  • Page 92

    C-4 flexnet ® 700 series line extender rev f c 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 befor...

  • Page 93

    Rev f reference tables c-5 c reference tables seq-750 series cable equalizers and scs-750 cable simulators are designed for forward balancing 750mhz systems, but may also be used with 550 mhz amplifiers. Similarly, 862 series cable equalizers and simulators are designed for 862mhz systems, but may b...

  • Page 94

    C-6 flexnet ® 700 series line extender rev f c table c.2 scs-862 series cable simulators model number insertion loss in db at frequency (mhz) db of cable simulated at 54 70 80 222 550 750 806 862 300 450 550 750 806 862 scs-862-02 1.0 1.0 1.0 1.3 1.7 1.9 2.0 2.0 0.7 0.8 1.0 1.2 1.2 1.3 scs-862-03 1....

  • Page 95

    Rev f reference tables c-7 c table c.3 seq-750 series cable equalizers db of cable equalized at highest frequency insertion loss in db at frequency (mhz) model number 54 70 80 222 350 450 550 650 750 seq-750-02 2.0 2.0 2.0 1.8 1.4 1.3 1.3 1.2 1.0 1.5 seq-750-03 3.0 2.8 2.7 2.4 1.9 1.7 1.5 1.3 1.0 2....

  • Page 96

    C-8 flexnet ® 700 series line extender rev f c table c.4 scs-750 series cable simulators insertion loss in db at frequency (mhz) db of cable simulated at model number 54 70 80 222 350 450 550 650 750 350 450 550 650 750 scs-750-02 1.0 1.0 1.0 1.3 1.5 1.6 1.7 1.8 1.8 0.7 0.8 0.9 1.0 1.1 scs-750-03 1....

  • Page 97

    Rev f reference tables c-9 c table c.6 meq-550 and meqt-550 series cable equalizers db of cable equalized at highest frequency insertion loss in db at frequency (mhz) model number 54 70 80 222 300 400 450 500 550 meq-550-02 2.0 2.0 1.9 1.4 1.4 1.2 1.1 1.1 1.0 1.4 meq-550-03 3.0 3.0 3.0 2.2 1.8 1.4 1...

  • Page 98

    C-10 flexnet ® 700 series line extender rev f c table c.8 meq-65 and meqt-65 series cable equalizers insertion loss in db at frequency (mhz) db of cable equalized at model number 5 65 65 300 400 450 550 750 meq-65-02 2.0 1.0 1.3 3.0 3.5 3.7 4.2 5.0 meq-65-03 2.9 1.0 2.7 6.0 7.0 7.5 8.3 9.9 meq-65-04...

  • Page 99

    Rev f reference tables c-11 c table c.10 meq-42 and meqt-42 series cable equalizers insertion loss in db at frequency (mhz) db of cable equalized at model number 5 42 42 300 400 450 550 750 meq-42-2 3.0 1.0 3.0 8.0 9.4 10.2 11.3 13.4 meq-42-3 4.0 1.0 4.6 12.6 15.0 15.8 17.7 21.0 meq-42-4 5.0 1.0 6.1...

  • Page 100

    C-12 flexnet ® 700 series line extender rev f c table c.12 meq-30 and meqt-30 series cable equalizers insertion loss in db at frequency (mhz) db of cable equalized at model number 5 30 30 300 450 550 750 meq-30-2 3.1 1.0 3.4 11.0 13.7 15.3 18.2 meq-30-3 3.9 1.0 4.9 16.0 19.9 22.2 26.5 meq-30-4 4.8 1...

  • Page 101

    Rev f reference tables c-13 c table c.14 spb series cable attenuators (pads) model number 5-1000 mhz flat loss (db) model number 5-1000 mhz flat loss (db) model number 5-1000 mhz flat loss (db) model number 5-1000 mhz flat loss (db) spb-0 0.0 spb-5.5 5.5 spb-11 11.0 spb-16.5 16.5 spb-0.5 0.5 spb-6 6...

  • Page 102

    C-14 flexnet ® 700 series line extender rev f c.

  • Page 103

    Rev f warranty d-1 a p p e n d i x 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 workman...

  • Page 104

    D-2 flexnet ® 700 series line extender rev f d.

  • Page 105

    Rev f flexnet ® 700 series line extender data sheet e-1 a p p e n d i x e 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 ...

  • Page 106

    E-2 flexnet ® 700 series line extender rev f e measured signal information power supply information power supply type forward signal levels reverse signal levels testpoint forward high carrier forward low carrier testpoint reverse high carrier reverse low carrier p1 (input) p1 (output) p3 (dist outp...

  • Page 107

    Rev f index-1 index a accessory tables mcs-550 series cable simulators c-9 meq-30 series cable equalizers c-12 meq-33 series cable equalizers c-11 meq-42 series cable equalizers c-11 meq-55 series cable equalizers c-10 meq-550 series cable equalizers c-9 meq-65 series cable equalizers c-10 meqt-30 s...

  • Page 108

    Index-2 rev f bolt selection 3-8 general strand/pedestal 3-5 strand/pedestal mounting with embs 3-6 wall mounting 3-8 wall mounting with embs 3-10 opening 3-4 options 1-4 physical characteristics a-3 preparing for installation 3-1 replacement 6-6 i identification 2-1 input and output values a-4–a-5 ...

  • Page 109

    Rev f index-3 h.E. Power supply 6-3 integrated power supply 6-4 voltage testing 4-2 powering options 1-4 q quick forward outage check 5-2 r reference tables c-1 reference tables see accessory tables related publications 1-5 removing jumpers c-4 replacing fuse 6-1 power supply high efficiency(h.E.) 6...

  • Page 110

    Index-4 rev f.

  • Page 111

    Introduction.Fm page 10 monday, april 1, 2002 12:43 pm.

  • Page 112

    Americas headquarters europacific headquarters 60 decibel road state college, pennsylvania 16801 usa tel. +1-814-238-2461 tel. +1-800-233-2267 fax +1-814-238-4065 p.O. Box 10.265 1301 ag almere the netherlands tel. +31-36-546 1111 fax +31-36-536 4255 www.C-cor.Net b r o a d b a n d c o m m u n i c a...