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3-6   ChannelWorks Cable TV Installer’s Guide

Cable TV Network Verification Tests

For each ChannelWorks Bridge to operate properly on a cable TV network, the net-
work must meet the requirements listed in Chapter 2. This section provides procedures
to determine the transmit and receive levels of a cable TV network.

The cable TV network verification procedures are:

•

“Verifying the Selected Cable TV Drop’s Center Frequency Receive Level” —
This procedure allows you to determine the forward frequency level at which the
ChannelWorks Bridge will be receiving and adjust if necessary.

•

“Verifying the Flatness of the Cable TV Network at the Selected Drop” — This
procedure allows you to measure the variance in signal level between a low and a
high frequency.

•

“Verifying the Cable TV Network’s Outlet to Outlet Variation”— This procedure
allows you to calculate the forward signal level differences of frequencies being
used.

Note:

Before performing any of the cable TV network verification tests in this chapter, the
translator must be installed at the headend.  Refer to the “Setting Up the Headend
Translator” section for installation procedures.

Содержание ChannelWorks DECTV-AA

Страница 1: ...ChannelWorks Part Number EK DECTV IG B01 Cable TV Installer s Guide ...

Страница 2: ...the limits for a Class A digital device pursuant to Part 15 of FCC rules which are deigned to provide reasonable protection against such radio frequency interference Any changes or modification to this equipment may void the user s authority to operate this equipment Operation of this equipment in a residential area may cause interference in which case the user at his own expense will be required ...

Страница 3: ...Network Installer s Guide and the ChannelWorks Management manual describes how to install the ChannelWorks bridge This manual is intended for the hardware installer and network manager Supersession Update Information This is a revised manual Operating System and Version LCB Revision 2 0 Management Utilities Version LCC Revision 2 0 ...

Страница 4: ... that is not sup plied by Digital or its affiliated companies Digital Equipment Corporation makes no representations that the use of its products in the man ner described in this publication will not infringe on existing or future patent rights nor do the descriptions contained in this publication imply the granting of licenses to make use or sell equipment or software in accordance with the descr...

Страница 5: ...nt users should ensure that it is permissible to be con nected to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection In some cases the com pany s wiring associated with a single line individual service may be extended by means of a certified connector assembly telephone extension cord The customer should be aware tha...

Страница 6: ...ific configurations are available from Digital representatives 1 B 10 dBA Schallemissionswerte Werteangaben nach ISO 9296 und ISO 7779 DIN EN27779 Schalleistungspegel Schalldruckpegel LWAd B LpAm dBA Zuschauerpositionen Produkt Leerlauf Betrieb Leerlauf Betrieb DECTV AB 5 0 35 Aktuelle Werte f r spezielle Ausr stungsstufen sind ber die Digital Equipment Vertre tungen erhdltlich 1 B 10 dBA Nippon J...

Страница 7: ... 5 The ChannelWorks Bridge Identifying Symbols 1 6 10BaseT Link Status LED 1 6 Power On LED 1 6 Ethernet Transmit LED 1 6 Ethernet Receive LED 1 6 Broadband Transmit LED 1 6 Broadband Receive LED 1 6 Status LED 1 6 Block Sync LED 1 7 Specifications 1 8 Dimensions And Weight 1 8 ChannelWorks Bridge 1 8 TransMaster 1 8 Power Requirements 1 8 ChannelWorks Bridge 1 8 TransMaster 1 8 Normal Operating E...

Страница 8: ...ection 3 2 Verifying The TransMaster s Output Signal Level 3 4 Adjusting The TransMaster Gain 3 4 Cable TV Cable Verification Tests 3 6 Verifying Selected Cable TV Drop s Center Frequency Receive Level 3 7 Verifying The Flatness Of The Cable TV Network At The Selected Drop 3 8 Verifying The Cable TV Network s Return Outlet To Outlet Variation 3 10 4 Configuring And Installing The ChannelWorks Brid...

Страница 9: ...ork Over Cable TV 2 2 3 1 TransMaster Single Channel Frequency Agile Translator 3 2 3 2 Input Frequency Select Switches Operating Positions 3 3 3 3 IF Gain And RF Output Controls 3 5 3 4 Cable TV Network Outlet Receive Level Verification 3 9 3 5 Measuring The Return Path Loss Outlet To Outlet Variation 3 11 4 1 Directory Location Dialog Box 4 3 4 2 Create Program Group Dialog Box 4 3 4 3 Admin Pul...

Страница 10: ...x ...

Страница 11: ... Book The ChannelWorks Cable TV Installation Guide is for use by cable TV technicians and installation technicians trained to perform ChannelWorks Bridge system installations This manual is also written for system and network managers responsible for planning and installing ChannelWorks Bridge systems You must be familiar with cable TV systems Many of the operations described by this manual could ...

Страница 12: ...ork and contains brief descriptions of various cable TV network architectures and elements Chapter 3 Preparing the Cable TV Network includes set up procedures for the TransMaster frequency agile headend translator This chapter also explains how to verify and set the proper network operating signal levels Chapter 4 Bringing Up the ChannelWorks Bridge explains how to configure the ChannelWorks Bridg...

Страница 13: ... example Configuration successfully installed Special Bold Type Special Bold Type Courier Bold Font is used within text instructions and in screen examples to show characters or words that you type for example At the prompt type AA000400AB04 prompt passwd A Capitalized Word A Capitalized Word within text indicates a key that you press For example Press Return When you see two key names press and h...

Страница 14: ...iables to diagnose and resolve network problems and accessing and interpret ing the bridge s SNMP enterprise specific MIB Support History file Safety Precautions This preface provides safety precautions to follow when installing the ChannelWorks Bridge For your protection observe the following safety precautions when setting up your equipment Follow all warnings and instructions marked on the equi...

Страница 15: ...se siguen atentamente las instrucciones Warning Hazardous voltages are present To lessen the risk of electrical shock and danger to personal health follow the instructions carefully Warnung Im Gerät herrscht gefährliche Hochspannung Beachten Sie die Anweisun gen genau um die elektrische Schläge und Gefahren für Ihre Gesundheit zu vermeiden Danger Présence de tensions dangereuses Pour limiter les r...

Страница 16: ...rücke zu gewährleis ten und sie vor Überhitzung zu schützen dürfen Geräteöffnungen nicht verstopft oder abgedeckt werden Die ChannelWorks Brücke sollte nicht in der Hähe von Heiz körpern aufgestellt werden Attention Pour assurer le bon fonctionnement de ChannelWorks Bridge et pour le mettre à l abri de toute surchauffe les ouvertures ne doivent être ni entravées ni recou vertes ChannelWorks Bridge...

Страница 17: ...teht bitten Sie Ihren Hausverwalter oder einen zugelassenen Elektriker um Auskunft Danger ChannelWorks Bridge est conçu pour un fonctionnement avec des systèmes d alimentation mono phasés pourvus d un conducteur neutre mis à la terre Pour limiter les risques d accidents électriques ne connectez pas ChannelWorks Bridge à un autre type d alimentation Contactez le directeur du site ou un électricien ...

Страница 18: ... un contacto a tierra 3 hilos Para disminuir el riesgo de accidentes eléctricos hay que conectar siempre este equipo a una toma de alimentación con conexión a tierra The ChannelWorks Bridge Cover Warning It is not safe to operate the ChannelWorks Bridge without the cover in place Failure to take this precaution may result in personal injury and system damage Warnung Der Betrieb der ChannelWorks Br...

Страница 19: ...at two different error lev els as unique which could be misleading as in the following example If error 0x35 is logged as a level 2 and at a later time error id 0x35 is logged at a level 4 when displaying the Support History Log the second error as shows as a level 2 crash 4 The LANcity Subscriber Utility LCS and the LCM do not operate properly on a 66 MHz PC 5 The PROM Monitor s printcfg command ...

Страница 20: ...xx ChannelWorks Cable TV Installer s Guide ...

Страница 21: ...o the one shipped with the unit but it includes additional functionality to not only view the bridge s parameters but also modify them as well This chapter covers the following topics Tasks that need to be completed prior to beginning installation The ChannelWorks Bridge physical description Location and description of the ChannelWorks Bridge diagnostic and status LEDs Location and description of ...

Страница 22: ...al generator and a system analysis meter Wavetek 450D for example This device is used to transmit an RF carrier signal in the provided channel of the cable TV network measure the signal level and verify the operating frequency Spectrum analyzer Instruments such as the spectrum analyzer may be used but the procedure to verify signal levels and operating frequencies may differ slightly PC based LCM ...

Страница 23: ...hree Ethernet ports BNC for ThinWire AUI for thickwire and RJ 45 8 Pin modular jack for Unshielded Twisted Pair Serial port RS 232 Cable TV transmit port and cable TV receive port RF connectors Power receptacle AC On Off switch Input Output Connections The following sections describe the ChannelWorks Bridge input output connections in detail refer to Figure 1 1 Ethernet Ports The ChannelWorks Brid...

Страница 24: ...ns Ethernet Port Ethernet Port Ethernet Port 10BaseT RJ 45 10Base2 BNC 10Base5 AUI The ChannelWorks Bridge AC Power Receptacle AC On Off Switch Serial RS 232 Ethernet Port Selection Switch Fan Grill Cable TV Transmit Port Cable TV Receive Port 10BaseT Link Status Indicator Port ...

Страница 25: ...Sie diese beschädigen und Probleme in ihrem Netzwerk verursachen Attention Vous risquez d endommager ChannelWorks Bridge et de causer des pertur bations sur le réseau si vous essayez de connecter simultanément les interfaces réseau 10base5 et 10baseT à ChannelWorks Bridge Aviso Se pueden ocasionar daños al ChannelWorks Bridge y causar problemas en la red si se intenta conectar simultáneamente los ...

Страница 26: ...atus LED Color Green This LED is a status indicator located on the rear panel between the 10BaseT port and the Ethernet Port Selection Switch When this LED is lit it indicates the 10BaseT link is active Power On LED Color Green This LED is the main power indicator When lit this LED indicates there is DC power being supplied to the ChannelWorks Bridge When off this LED indicates the AC power has be...

Страница 27: ...oftware When this LED flashes rapidly it indicates the ChannelWorks Bridge self diagnostics passed and the operational software is running Figure 1 2 Identifying Symbols 3 2 1 Cable TV Reference Symbol Ethernet Reference Symbol Cable TV Ethernet Transmit LED Port Symbol Cable TV Ethernet Receive LED Port Symbol Block Synchronization LED Symbol Status LED Symbol Power On LED Symbol Serial Port Symb...

Страница 28: ...hannelWorks Bridge TransMaster and cable TV network Dimensions and Weight ChannelWorks Bridge The physical dimensions and weight of the ChannelWorks Bridge are provided below Height 3 47 in Width 11 5 in Depth 11 5 in Rear Clearance 0 7 in Weight 12 lbs TransMaster The physical dimensions of the TransMaster are provided below Height 1 75 in Width 17 5 in Depth 8 in Weight 7 5 lbs Power Requirement...

Страница 29: ...operating environment of the TransMaster is provided below Operating Temperature 10 to 40 Centigrade Humidity 20 to 80 noncondensing RF Electrical Specifications ChannelWorks Bridge The RF Electrical Specifications of the ChannelWorks Bridge are provided below Data Rate 10 Mb s Modulation Quadrature Phase Shift Keying Spectral Efficiency 1 67 bits Hz Transmitter Minimum Frequency Range 10 to 174 M...

Страница 30: ...put Frequency Range 51 to 550 MHz Frequency Step 250 KHz Frequency Stability Accuracy 750 Hz 0 C to 40 C Gain 30 to 50 dB adjustable Bandwidth 3 dB 5 2 MHz 40 dB 7 MHz Spurious Products 60 dB below max output level Cable TV Network Requirements The following list contains the required specifications that a cable TV network must meet in order for the ChannelWorks Bridge to operate properly when con...

Страница 31: ...nter during installation of the ChannelWorks Bridge Typical Metropolitan Area Network Over Cable TV The hardware software and firmware that make up nodes in a ChannelWorks Bridge network topology include A ChannelWorks Bridge running ChannelWorks Bridge Software A single channel frequency agile translator TransMaster required for single cable plants The ChannelWorks Bridge connects IEEE 802 3 Ethe...

Страница 32: ...orks Bridge can provide a 10 Mb s Ethernet data service in any one of 83 available standard 6 MHz forward channels 54 MHz to 550 MHz And the initial channel allocation can be changed by the installer or network manager at any time Figure 2 1 Typical Metropolitan Area Network Over Cable TV Cable TV TransMaster Headend 802 3 802 3 802 3 ChannelWorks ChannelWorks ChannelWorks Bridge Bridge Bridge ...

Страница 33: ...32 to 550 MHz 53 6 MHz channels The ChannelWorks Bridge can operate on any of the three types of frequency allocated single cable plants with the appropriate diplex filter attached Dual Cable Plants A dual cable plant is really one cable looped at the headend The standard return and forward frequencies for dual cable plants are 40 to 450 MHz 68 6 MHz channels A diplex filter is not required when c...

Страница 34: ...ected to a single length of cable All transmissions are broadcasted to all stations on the network Hybrid A hybrid network topology is a mix of topologies that is the ring of stars The cable TV broadband topology is a tree topology that can act like a ring bus or star ...

Страница 35: ...bound transmissions The TransMaster consists of an input to intermediate frequency i f converter and an i f to output converter Trans Master has Surface Acoustic Wave SAW filtering with 5 2 MHz i f bandwidth suit able for most translator applications and manual gain control During verification of the cable TV network s signal levels you must perform the pro cedures at the final operating frequenci...

Страница 36: ...regard to pre tuner gain Position A in Figure 3 2 is for input signals below 0 dBmV Position B of Figure 3 2 is for input signals above 0 dBmV to 10 dBmV The normal operating position will be B Switches 14 15 and 16 must be set as shown in Figure 3 2 Refer to Adjusting The TransMaster Gain for more information on using the Input Frequency Select DIP switches You use the DIP switches labeled Input ...

Страница 37: ...igure 3 2 Input Frequency Select Switches Operating Positions Position A Switches 1 13 Set For Input Freq Desired Position B Switches 1 13 Set For Input Freq Desired Switch 14 Pre Amp OFF Normal Operating Position Switches 15 16 Not Used ...

Страница 38: ...UT connector This simulates a cable TV network s forward signal at the required level 5 Turn the RF Combination Meter s RF Switch to ON The RF Combination Meter should read between 35 and 55 dBmV You may have to adjust the meter s attenuator for a meter reading nearest the center of the scale 6 Record the reading Adjusting The TransMaster Gain Once you know the input and output levels of the Trans...

Страница 39: ...is required add external attenuators to the TransMaster s RF Output port 5 Connect the TransMaster to the cable TV network In most cases a cable will run from the return splitter to the TransMaster s RF Input and another cable will run from the TransMaster s RF Output to the forward combiner Once the TransMaster is on the cable TV network you must observe the forward spec trum of the system on a s...

Страница 40: ...determine the forward frequency level at which the ChannelWorks Bridge will be receiving and adjust if necessary Verifying the Flatness of the Cable TV Network at the Selected Drop This procedure allows you to measure the variance in signal level between a low and a high frequency Verifying the Cable TV Network s Outlet to Outlet Variation This procedure allows you to calculate the forward signal ...

Страница 41: ...lWorks Bridge transmit level with the cable TV operator to ensure establishing the optimum transmit level for both the cable TV network and the ChannelWorks Bridge 3 With the RF switch in the OFF position attach a test cable from the RF Combina tion Meter s RF OUTPUT to the low side of the diplex filter the ChannelWorks Bridge TX or transmit Insert the signal at the ChannelWorks Bridge point of co...

Страница 42: ...rform the center frequency receive level test Step the RF Combination Meter s transmit and receive frequency settings in 0 5 MHz increments toward both the low side and high side of the selected center fre quency out to a maximum of 2 5 MHz from center frequency 2 Record values Flatness peak to valley maximum reading minimum reading 3 Check against specification for Flatness 1dB Refer to the Cable...

Страница 43: ...k Outlet Receive Level Verification TRANSMASTER VCR MODULATOR L H L H RF Combination Meter RF OUT RF IN 20 FORWARD TEST POINT FORWARD COMBINER 20 RETURN TEST POINT RETURN SPLITTER TRUNK B TRUNK A OUTLET A OUTLET B OUTLET A OUTLET B OUTLET C HEADEND DIPLEX FILTER ...

Страница 44: ...tion with another system analysis meter or RF Combination Meter located at the head end and perform the following procedure Refer to Figure 3 5 Perform the following to 1 Record the Maximum Return Path Loss 2 Record the Minimum Return Path Loss 3 Calculate the Return Outlet to Outlet Variation Max Return Path Loss Min Return Path Loss 4 Check the calculated Return Outlet to Outlet Variation agains...

Страница 45: ...mbination Meter RF OUT RF IN 20 FORWARD TEST POINT FORWARD COMBINER 20 RETURN TEST POINT RETURN SPLITTER TRUNK B TRUNK A OUTLET A OUTLET B OUTLET A OUTLET B OUTLET C HEADEND RF Combination Meter RF OUT RF IN Figure 3 5 Measuring The Return Path Loss Outlet To Outlet Variation ...

Страница 46: ...3 12 ChannelWorks Cable TV Installer s Guide ...

Страница 47: ...rocedures in this chapter your ChannelWorks Bridge will allow devices attached to separate Ethernet networks to communicate with each other over your cable TV network This chapter does not describe how to physically install the ChannelWorks Bridge Refer to the ChannelWorks Network Installer s Guide Chapter 2 Hardware Installa tion for procedures to Unpack the unit Identify the contents Verify the ...

Страница 48: ...ity dialog box as shown in Figure 4 1 4 To install the utility in a directory other than the one in the utility s dialog box change the default path and choose OK The utility creates the directory chosen copies the program files to the directory and displays the LC Install Utility pro gram group creation dialog box as shown in Figure 4 2 5 Click on OK LC Install Utility creates the LCM Bridge Mana...

Страница 49: ...Configuring And Installing The ChannelWorks Bridge 4 3 Figure 4 1 Directory Location Dialog Box Figure 4 2 Create Program Group Dialog Box LC Install Utility c lcm20 ...

Страница 50: ...que user name and password for yourself Use the utility s Delete User function to remove the initial Admin user name and password 4 Click on Admin The utility displays the LCM Add User Delete User pull down menu as shown in Figure 4 3 5 Click on Add User from the Admin Pull Down menu The Utility displays the Add User entry window with a default User Name User Password and User Level entered as sho...

Страница 51: ...Configuring And Installing The ChannelWorks Bridge 4 5 Figure 4 4 Add User Entry Window Figure 4 3 Admin Pull Down Menu LANcity Management Utility defaults dat Add User ...

Страница 52: ...l emulator Choose and initialize the PC s serial port Level Two This level allows the user to perform all of Level One s functions and Modify the following parameters from the Parameters pull down menu Bridge Control Group Download Group Dump Server Group Filter Control Group Network Management Control Group System Group Unique IP Addresses Group Load the above listed parameters from the individua...

Страница 53: ... Up A User Account for the procedure to add a user with a valid password 6 Click on Yes The utility displays Microsoft Windows Terminal program Note Microsoft Windows Terminal must be installed in your windows directory for this fea ture to work Otherwise you must start a terminal emulation program at this step 7 Set the terminal emulator s communications parameters to Connector PC port from step ...

Страница 54: ...mately 30 seconds after you press the Spacebar the ChannelWorks Bridge lists its memory sizes and displays its PROM monitor prompt of two greater than signs This allows access to the Channelworks Bridge NVRAM 11 Close the terminal emulator application This releases the PC s serial port for use by other programs such as the LCM Use the LCM to perform the remaining pro cedures in this chapter Figure...

Страница 55: ...staller s Guide for a description of all ChannelWorks Bridge operating parameters and information on verifying the ChannelWorks Bridge operating parameters If the common parameters of the ChannelWorks Bridge do not match your list stop the installation procedure If access to verify any of the parameters is denied to you stop the installation procedure If access to modify any of the Level Two or Le...

Страница 56: ...on Pacer Echo Test button if you want this unit to participate in a keep alive check test when it is not acting as the network pacer Note The ChannelWorks Bridge has a built in test function which exchanges data messages between bridges periodically as a keep alive check 5 Highlight the number you want to change and type in the new IP Address Mask or IP Broadcast Address 6 You have four options a ...

Страница 57: ...Configuring And Installing The ChannelWorks Bridge 4 11 Figure 4 7 Save Bridge Control Group Window Figure 4 6 Bridge Control Group Window ...

Страница 58: ...wnload Group win dow Figure 4 8 shows an example 3 Select and modify the desired parameters 4 If you have other install parameters you want to modify click on OK LCM dis plays the Save Download Group window 5 You can save the parameters for loading or you can click on Load from the previ ous window and LCM displays the Load Download Group window allowing you to load the ChannelWorks Bridge NVRAM w...

Страница 59: ...the Modem Control Group window Figure 4 9 shows an example 3 Select and modify the desired parameters 4 If you have other install parameters you want to modify click on OK LCM dis plays the Save Modem Control Group window 5 You can save the parameters for loading or you can click on Load from the previ ous window and LCM displays the Load Modem Control Group window allowing you to load the Channel...

Страница 60: ...he System Group window Figure 4 10 shows an example 3 Select and modify the desired parameters 4 If you have other install parameters you want to modify click on OK LCM dis plays the Save System Group window 5 You can save the parameters for loading or you can click on Load from the previ ous window and LCM displays the Load System Group window allowing you to load the ChannelWorks Bridge NVRAM wi...

Страница 61: ...he Unique IP Addresses window Figure 4 11 shows an example 3 Select and modify the desired parameters 4 If you have other install parameters you want to modify click on OK LCM dis plays the Save Unique IP Addresses window 5 You can save the parameters for loading or you can click on Load from the previ ous window and LCM displays the Load Unique IP Addresses window allowing you to load the Channel...

Страница 62: ...u click the left mouse button on the Bridge menu selec tion 2 Click on the Load Parameters selection LCM displays the Bridge Load window Figure 4 12 shows an example 3 Click on the Select Groups box 4 Click on the parameter selections that you modified and saved to load at this time 5 Click on OK LCM loads the ChannelWorks Bridge NVRAM with the selected parameters 6 Close LCM s Main Menu and conti...

Страница 63: ...Click on the Load All Groups box 4 Click on OK LCM loads the ChannelWorks Bridge NVRAM with all group parameters 5 Close LCM s Main Menu and continue setting up the ChannelWorks Bridge for operation Starting The ChannelWorks Bridge Refer to ChannelWorks Network Installer s Guide Chapter 4 Starting the ChannelWorks Bridge for procedures to Attach the ChannelWorks Bridge to your cable TV network Att...

Страница 64: ...4 18 ChannelWorks Cable TV Installer s Guide ...

Страница 65: ...ettings Introduction This appendix provides input and output switch settings for LANcity Corporation s TransMaster frequency agile single channel translator Table A 1 lists the switch settings from 10 MHz to 550 MHz in 250 KHz increments ...

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Страница 86: ...336 UP UP DOWN UP DOWN DOWN UP UP DOWN UP UP UP DOWN 336 25 DOWN DOWN UP UP DOWN DOWN UP UP DOWN UP UP UP DOWN 336 5 UP DOWN UP UP DOWN DOWN UP UP DOWN UP UP UP DOWN 336 75 DOWN UP UP UP DOWN DOWN UP UP DOWN UP UP UP DOWN 337 UP UP UP UP DOWN DOWN UP UP DOWN UP UP UP DOWN 337 25 DOWN DOWN DOWN DOWN UP DOWN UP UP DOWN UP UP UP DOWN 337 5 UP DOWN DOWN DOWN UP DOWN UP UP DOWN UP UP UP DOWN 337 75 DOW...

Страница 87: ... UP UP DOWN 352 25 DOWN DOWN UP UP DOWN DOWN DOWN DOWN UP UP UP UP DOWN 352 5 UP DOWN UP UP DOWN DOWN DOWN DOWN UP UP UP UP DOWN 352 75 DOWN UP UP UP DOWN DOWN DOWN DOWN UP UP UP UP DOWN 353 UP UP UP UP DOWN DOWN DOWN DOWN UP UP UP UP DOWN 353 25 DOWN DOWN DOWN DOWN UP DOWN DOWN DOWN UP UP UP UP DOWN 353 5 UP DOWN DOWN DOWN UP DOWN DOWN DOWN UP UP UP UP DOWN 353 75 DOWN UP DOWN DOWN UP DOWN DOWN D...

Страница 88: ...368 UP UP DOWN UP DOWN DOWN UP DOWN UP UP UP UP DOWN 368 25 DOWN DOWN UP UP DOWN DOWN UP DOWN UP UP UP UP DOWN 368 5 UP DOWN UP UP DOWN DOWN UP DOWN UP UP UP UP DOWN 368 75 DOWN UP UP UP DOWN DOWN UP DOWN UP UP UP UP DOWN 369 UP UP UP UP DOWN DOWN UP DOWN UP UP UP UP DOWN 369 25 DOWN DOWN DOWN DOWN UP DOWN UP DOWN UP UP UP UP DOWN 369 5 UP DOWN DOWN DOWN UP DOWN UP DOWN UP UP UP UP DOWN 369 75 DOW...

Страница 89: ... DOWN DOWN UP UP UP UP UP DOWN 384 25 DOWN DOWN UP UP DOWN DOWN DOWN UP UP UP UP UP DOWN 384 5 UP DOWN UP UP DOWN DOWN DOWN UP UP UP UP UP DOWN 384 75 DOWN UP UP UP DOWN DOWN DOWN UP UP UP UP UP DOWN 385 UP UP UP UP DOWN DOWN DOWN UP UP UP UP UP DOWN 385 25 DOWN DOWN DOWN DOWN UP DOWN DOWN UP UP UP UP UP DOWN 385 5 UP DOWN DOWN DOWN UP DOWN DOWN UP UP UP UP UP DOWN 385 75 DOWN UP DOWN DOWN UP DOWN...

Страница 90: ...400 UP UP DOWN UP DOWN DOWN UP UP UP UP UP UP DOWN 400 25 DOWN DOWN UP UP DOWN DOWN UP UP UP UP UP UP DOWN 400 5 UP DOWN UP UP DOWN DOWN UP UP UP UP UP UP DOWN 400 75 DOWN UP UP UP DOWN DOWN UP UP UP UP UP UP DOWN 401 UP UP UP UP DOWN DOWN UP UP UP UP UP UP DOWN 401 25 DOWN DOWN DOWN DOWN UP DOWN UP UP UP UP UP UP DOWN 401 5 UP DOWN DOWN DOWN UP DOWN UP UP UP UP UP UP DOWN 401 75 DOWN UP DOWN DOWN...

Страница 91: ...416 5 UP DOWN UP UP DOWN DOWN DOWN DOWN DOWN DOWN DOWN DOWN UP 416 75 DOWN UP UP UP DOWN DOWN DOWN DOWN DOWN DOWN DOWN DOWN UP 417 UP UP UP UP DOWN DOWN DOWN DOWN DOWN DOWN DOWN DOWN UP 417 25 DOWN DOWN DOWN DOWN UP DOWN DOWN DOWN DOWN DOWN DOWN DOWN UP 417 5 UP DOWN DOWN DOWN UP DOWN DOWN DOWN DOWN DOWN DOWN DOWN UP 417 75 DOWN UP DOWN DOWN UP DOWN DOWN DOWN DOWN DOWN DOWN DOWN UP 418 UP UP DOWN ...

Страница 92: ...432 UP UP DOWN UP DOWN DOWN UP DOWN DOWN DOWN DOWN DOWN UP 432 25 DOWN DOWN UP UP DOWN DOWN UP DOWN DOWN DOWN DOWN DOWN UP 432 5 UP DOWN UP UP DOWN DOWN UP DOWN DOWN DOWN DOWN DOWN UP 432 75 DOWN UP UP UP DOWN DOWN UP DOWN DOWN DOWN DOWN DOWN UP 433 UP UP UP UP DOWN DOWN UP DOWN DOWN DOWN DOWN DOWN UP 433 25 DOWN DOWN DOWN DOWN UP DOWN UP DOWN DOWN DOWN DOWN DOWN UP 433 5 UP DOWN DOWN DOWN UP DOWN...

Страница 93: ... DOWN DOWN UP DOWN DOWN DOWN DOWN UP 448 25 DOWN DOWN UP UP DOWN DOWN DOWN UP DOWN DOWN DOWN DOWN UP 448 5 UP DOWN UP UP DOWN DOWN DOWN UP DOWN DOWN DOWN DOWN UP 448 75 DOWN UP UP UP DOWN DOWN DOWN UP DOWN DOWN DOWN DOWN UP 449 UP UP UP UP DOWN DOWN DOWN UP DOWN DOWN DOWN DOWN UP 449 25 DOWN DOWN DOWN DOWN UP DOWN DOWN UP DOWN DOWN DOWN DOWN UP 449 5 UP DOWN DOWN DOWN UP DOWN DOWN UP DOWN DOWN DOW...

Страница 94: ...464 UP UP DOWN UP DOWN DOWN UP UP DOWN DOWN DOWN DOWN UP 464 25 DOWN DOWN UP UP DOWN DOWN UP UP DOWN DOWN DOWN DOWN UP 464 5 UP DOWN UP UP DOWN DOWN UP UP DOWN DOWN DOWN DOWN UP 464 75 DOWN UP UP UP DOWN DOWN UP UP DOWN DOWN DOWN DOWN UP 465 UP UP UP UP DOWN DOWN UP UP DOWN DOWN DOWN DOWN UP 465 25 DOWN DOWN DOWN DOWN UP DOWN UP UP DOWN DOWN DOWN DOWN UP 465 5 UP DOWN DOWN DOWN UP DOWN UP UP DOWN ...

Страница 95: ...WN DOWN DOWN UP 480 25 DOWN DOWN UP UP DOWN DOWN DOWN DOWN UP DOWN DOWN DOWN UP 480 5 UP DOWN UP UP DOWN DOWN DOWN DOWN UP DOWN DOWN DOWN UP 480 75 DOWN UP UP UP DOWN DOWN DOWN DOWN UP DOWN DOWN DOWN UP 481 UP UP UP UP DOWN DOWN DOWN DOWN UP DOWN DOWN DOWN UP 481 25 DOWN DOWN DOWN DOWN UP DOWN DOWN DOWN UP DOWN DOWN DOWN UP 481 5 UP DOWN DOWN DOWN UP DOWN DOWN DOWN UP DOWN DOWN DOWN UP 481 75 DOWN...

Страница 96: ...496 UP UP DOWN UP DOWN DOWN UP DOWN UP DOWN DOWN DOWN UP 496 25 DOWN DOWN UP UP DOWN DOWN UP DOWN UP DOWN DOWN DOWN UP 496 5 UP DOWN UP UP DOWN DOWN UP DOWN UP DOWN DOWN DOWN UP 496 75 DOWN UP UP UP DOWN DOWN UP DOWN UP DOWN DOWN DOWN UP 497 UP UP UP UP DOWN DOWN UP DOWN UP DOWN DOWN DOWN UP 497 25 DOWN DOWN DOWN DOWN UP DOWN UP DOWN UP DOWN DOWN DOWN UP 497 5 UP DOWN DOWN DOWN UP DOWN UP DOWN UP ...

Страница 97: ... DOWN DOWN UP UP DOWN DOWN DOWN UP 512 25 DOWN DOWN UP UP DOWN DOWN DOWN UP UP DOWN DOWN DOWN UP 512 5 UP DOWN UP UP DOWN DOWN DOWN UP UP DOWN DOWN DOWN UP 512 75 DOWN UP UP UP DOWN DOWN DOWN UP UP DOWN DOWN DOWN UP 513 UP UP UP UP DOWN DOWN DOWN UP UP DOWN DOWN DOWN UP 513 25 DOWN DOWN DOWN DOWN UP DOWN DOWN UP UP DOWN DOWN DOWN UP 513 5 UP DOWN DOWN DOWN UP DOWN DOWN UP UP DOWN DOWN DOWN UP 513 ...

Страница 98: ...528 UP UP DOWN UP DOWN DOWN UP UP UP DOWN DOWN DOWN UP 528 25 DOWN DOWN UP UP DOWN DOWN UP UP UP DOWN DOWN DOWN UP 528 5 UP DOWN UP UP DOWN DOWN UP UP UP DOWN DOWN DOWN UP 528 75 DOWN UP UP UP DOWN DOWN UP UP UP DOWN DOWN DOWN UP 529 UP UP UP UP DOWN DOWN UP UP UP DOWN DOWN DOWN UP 529 25 DOWN DOWN DOWN DOWN UP DOWN UP UP UP DOWN DOWN DOWN UP 529 5 UP DOWN DOWN DOWN UP DOWN UP UP UP DOWN DOWN DOWN...

Страница 99: ...WN DOWN UP DOWN DOWN UP 543 5 UP DOWN DOWN UP DOWN DOWN DOWN DOWN DOWN UP DOWN DOWN UP 543 75 DOWN UP DOWN UP DOWN DOWN DOWN DOWN DOWN UP DOWN DOWN UP 544 UP UP DOWN UP DOWN DOWN DOWN DOWN DOWN UP DOWN DOWN UP 544 25 DOWN DOWN UP UP DOWN DOWN DOWN DOWN DOWN UP DOWN DOWN UP 544 5 UP DOWN UP UP DOWN DOWN DOWN DOWN DOWN UP DOWN DOWN UP 544 75 DOWN UP UP UP DOWN DOWN DOWN DOWN DOWN UP DOWN DOWN UP 545...

Страница 100: ...A 36 ChannelWorks Cable TV Installer s Guide ...

Страница 101: ...able 2 3 E Ethernet Port Selection Switch 1 5 1 6 F Flatness 3 6 3 8 forward 1 2 2 2 2 3 3 4 3 6 3 8 forward channel 1 5 forward combiner 3 5 G gain 3 1 3 2 3 4 H headend 2 3 High split 2 3 Hybrid 2 4 I IEEE 802 3 1 3 2 1 inbound 3 1 IP Address 4 6 L LEDs 1 1 1 6 Link Status LED 1 6 Loop Delay 4 5 Loopback 4 2 M Main Menu 4 7 4 12 MAN 2 3 Mid split 2 3 Modem Control Group 4 9 N null modem 4 2 NVRA...

Страница 102: ...2 3 spectrum analyzer 1 2 3 5 Splitters 1 3 Star 2 3 status indicator 1 6 Subscriber Service Utility 1 1 1 2 1 5 4 2 4 3 4 6 4 7 4 8 4 9 4 10 4 11 4 12 4 13 Sub split 2 3 system analysis meter 1 2 System Group 4 10 T terminal emulator 4 2 Thickwire 1 3 Thinwire 1 3 token 2 2 tools 1 2 topologies 2 1 translator 3 1 3 6 TransMaster 1 8 2 1 3 1 3 2 3 4 3 5 3 9 transmit 3 6 4 1 4 5 Transmit Port 1 5 t...

Страница 103: ... usefulness of our publications Please rate this manual Poor Excellent Accuracy 1 2 3 4 5 Readability 1 2 3 4 5 Examples 1 2 3 4 5 Organization 1 2 3 4 5 Completeness 1 2 3 4 5 Did you find errors in this manual If so please specify the error s and page number s General comments Suggestions for improvement Name Date Title Department Company Street City State Country Zip Code ...

Страница 104: ...E NECESSARY IF MAILED IN THE UNITED STATES BUSINESS REPLY LABEL FIRST CLASS PERMIT NO 33 MAYNARD MASS POSTAGE WILL BE PAID BY ADDRESSEE Telecommunications and Networks Publications 550 King Street Littleton MA 01460 1289 DO NOT CUT FOLD HERE ...

Страница 105: ......

Страница 106: ...Printed in U S A ...

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