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Model CFA-24 Transparent Cable Farm Automation Switch Reference Manual                                                           Page 52 of 78 
 
 

9.1.2  Instructions 

Set Lengths 

 
The values shown are configured during the Set Allowable Line Lengths step. Note: if the Coordinate Matrix has been 
updated, go to the Test Maintenance page and confirm the Check To Include boxes are checked as desired and the page 
is saved before attempting to set a line length.  
 

•

 

Select SET LENGTHS from the Test Maintenance screen. The SET LENGTHS screen is displayed.  

 

 

 

Copy from . . .thru:

 copy value associated with selected channel to a range of channels. 

 

Copy

: click this button to copy the value configured in the 

Copy from . . . thru

 fields. 

 

 
Channel: 

all channels in the network are displayed.

 

 
(Channel) Length: 

dropdown shows all allowable line lengths for the associated channel. Select either a line length 

or TERM to terminate the channel.  
 

SAVE:

 click SAVE to update all units to have the selected line lengths.  

 

 

 

Содержание CFA-24

Страница 1: ...Reference Manual Model CFA 24 Transparent Cable Farm Automation Switch Rev Version 7 7 1 Date of Publication 02 22 2019 Results You Can Count On...

Страница 2: ...Coordinates 20 4 7 Coordinate Matrix 20 4 8 Network Monitor 20 5 0 Installation Configuration Management Process 21 5 1 Understanding Operational Modes 21 5 1 1 Standalone Mode applies to one unit net...

Страница 3: ...ths and Interrupts Process 51 9 1 1 Steps in the Set Line Lengths and Interrupts Process 51 9 1 2 Instructions 52 Set Lengths 52 Set Mechanical Interruptions 53 10 0 User Management 55 11 0 Upgrade Fi...

Страница 4: ...checked 74 Appendix C ID 337 Screen Examples 75 Example Using Two Vectoring Groups 4 Channels Each 75 Coordinate Matrix 8 Channels 75 Configure MP Cables 2 Vectoring Groups 75 Test Maintenance All Seg...

Страница 5: ...is highly suited to lab grade testing of next gen devices where live crosstalk is required e g VDSL2 Vectoring or G fast performance testing Telebyte s superior transparency delivers excellent crosst...

Страница 6: ...groups of 24 In addition segment extender units can be cabled together to add more line segments The example above shows 18 CFA 24 units installed in three racks This would provide 15 segments and 144...

Страница 7: ...farms Use additional units to expand the number of segments and channels Multiple Vectoring groups per unit or across multiple units Colocated and non colocated test configurations Connect cables onc...

Страница 8: ...d Dimensions Overall 17 50 H x 16 W x 6 D 10 U High Rack mountable front and or back in 19 rack Micro Interruptions Location CO or CPE side on any one channels Interrupt Time 5ms to 100ms in 1 ms incr...

Страница 9: ...How to assign static IP address to each unit o Powering the CFA network 2 Installation Configuration Management o Overall set up of entire CFA system o Configure Multiple Vectoring Groups Optional o...

Страница 10: ...ing Standalone CFA 24 to POE Adaptor CFA 24 Default IP Settings IP 172 16 21 241 Subnet Mask 255 255 255 0 When the CFA network consists of only one Standalone unit the CFA 24 is most likely connected...

Страница 11: ...n 1 Plug the Linksys switch into a power source 2 Configure the remote PC with an IP address in the same subnet of the CFA s IP 3 Connect a remote PC to the IN port of the POE adapter 4 Connect the CF...

Страница 12: ...ot available in the current Operational Mode See Understanding Operational Modes later in the document 2 The Authentication Required dialogue box is shown Depending on the browser the look of this dia...

Страница 13: ...rror screen is displayed when the CFA 24 loses connectivity due to the IP address change Depending on the browser this message may vary Next Steps a Optional To regain communication enter the newly as...

Страница 14: ...e is unplugged from the unit For instructions on proper shut down using remote commands see Appendix B Remote Commands 1 Enter the IP address of the unit e g 172 16 21 231 in the web browser to connec...

Страница 15: ...4 The CFA 24 connection is lost when the system shuts down The appearance of the message shown below may vary depending on the browser VERY IMPORTANT Wait 30 seconds to allow the system to discharge c...

Страница 16: ...front side of the unit 1 With the CFA 24 powered ON insert a paperclip into the Ethernet Reset hole and depress the switch for one second to restore the CFA 24 factory default Network Configuration 2...

Страница 17: ...4 0 Definitions Refer to the diagram above when reading this section...

Страница 18: ...able farm wires The CFA 24 is transparent Example ID 337 Test Setup Selection of 200 meters Five loop segments of different lengths of CW1420 are each attached to one of five segments The allowable lo...

Страница 19: ...egments The allowable loop lengths of this setup are 150 300 450 600 and 750 meters Segments 1 2 3 and 4 are used to form the 600 meters Segment 5 is bypassed This configuration represents the Medium...

Страница 20: ...punch down block for the CPE side input output connections of channels 9 12 is shown above 4 3 Input Output Connectors Punch down blocks provide connectivity for the input output connectors located on...

Страница 21: ...d cables with custom lengths and terminations This allows the user to connect to the input output punch down blocks once then use the patch panel to connect and disconnect CO and CPE equipment One cus...

Страница 22: ...o units to be cabled jumpered together such that the CO cable of one CFA 24 connects to the CPE of the other CFA 24 The number assigned to a connector segment on more than one Extender unit will depen...

Страница 23: ...form a channel 4 5 Channel A series of five vertical connector segments form a channel Channels are numbered from 1 to 24 beginning on the left side of the unit unless there are multiple units If so...

Страница 24: ...rdinate Matrix The Coordinate Matrix is made up of the 120 coordinates 5 connector segments x 24 channels physically located on the front of a CFA 24 unit These coordinates are defined by attributes s...

Страница 25: ...twork refers to single and multi unit setups 5 1 2 Controller Mode applies to multi unit network The CFA 24 is set to Controller mode when it is used for channels 1 24 and segments 1 5 in a multi unit...

Страница 26: ...ender Segment Channel Extender The begin the Installation Configuration Management process the user sets the static IP address and Operational Mode of each unit This is required to populate the Coordi...

Страница 27: ...troller mode 2 Configure Coordinate Matrix of Controller or Standalone unit 3 Add Controller s IP address to Segment and or Channel Extenders to link them to the Controller 4 Assign Operational Mode o...

Страница 28: ...r of units in the CFA network Enter the static IP address of the CFA 24 unit to access the CFA configuration software The Main screen is shown The Main Screen 5 4 Configure Individual Units 5 4 1 Over...

Страница 29: ...n when linking Extenders to the Controller If the CFA system has only one unit this section does not apply Select Installation Configuration Management from the Main screen The INSTALLATION CONFIGURAT...

Страница 30: ...of a CFA 24 unit via a remote PC connected to the CFA 24 network to launch the CFA 24 software Select SET OPERATIONAL MODE from the INSTALLATION CONFIGURATION MANAGEMENT screen The Set Operational Mod...

Страница 31: ...een is shown Multi unit network o Controller Unit Click the Controller radio button the channel range is must also be 1 24 and the segment range 1 5 for the Controller OR o Extender Unit Click the Ext...

Страница 32: ...sed to select the Connector Type Columns with a CHx heading are used to enter a loop length for the channel Vectoring Group numbers VG are shown at the bottom of each channel Connector Types are selec...

Страница 33: ...therefore they are configured on the Controller or Standalone unit only When using Multi Pairs in the Coordinate Matrix the CONFIGURE MP CABLES option must be used to configure the Vectoring Groups L...

Страница 34: ...putation o This coordinate type is required when enabling Multiple Vectoring Groups All channels in a Vectoring Group must contain at least one MP coordinate Single Pairs o Single Pair segments are au...

Страница 35: ...e in a higher segment number Example of Differences in Results Using multi pair coordinates only on all channels and segments CH1 24 Segment 1 25 CH1 24 Segment 2 50 CH1 24 Segment 3 100 CH1 24 Segmen...

Страница 36: ...portion of the test setup It is expected that crosstalk occurs between multi pairs When using Multi Pairs in the Coordinate Matrix use CONFIGURE MP CABLES to set up the number of Vectoring Groups o S...

Страница 37: ...figure Multiple Pair MP Cables screen is shown above In this example 4 Vectoring Groups are selected Number of Vectoring Groups The values in this dropdown field are determined by the number of MP coo...

Страница 38: ...EVIEW screen above 24 channels are assigned to four Vectoring Groups SAVE Click to update the CFA system or Cancel to return to Test Maintenance without saving Once the CFA system is updated all Coord...

Страница 39: ...ring screen is obtained from settings established during the previous processes In the example above a system with a Controller Channel Extender and Segment Channel Extender is shown Each unit is iden...

Страница 40: ...24 Transparent Cable Farm Automation Switch Reference Manual Page 36 of 78 Enter the IP address of the Controller unit Select Network Monitoring Screen The Network Monitoring screen is displayed The M...

Страница 41: ...ton is clicked Online Offline dropdown allows user to change the status of the related unit to online or offline Online means the unit should be included in the CFA 24 Network Offline means that it sh...

Страница 42: ...cluded Both MP s and SP s are valid Understanding Colocated and Non Colocated This relates to the lengths of the twisted pair cables between the CO DPU or DSLAM and CPE s in a vectoring group When the...

Страница 43: ...to Add MP check this box to include the segment number shown to the left of check box and all related lengths in that row for the range of channels on the screen Each segment selected becomes a loop...

Страница 44: ...the Coordinate Matrix is updated confirm the Check to Add MP boxes of the Test Maintenance screen are correct and press Save before setting any line length in the SET LENGTH screen For the example sc...

Страница 45: ...O and CPE side equipment 4 Establishing Cable Shield Continuity 5 Establishing proper grounding 6 Connecting Segment Extenders 8 2 Rack Mounting optional To allow for dense installations each unit may...

Страница 46: ...e the brackets toward the front and re install the mounting bracket screws into the new position The CFA 24 then recesses 2 into the rack Care should be taken to leave space for easy access to the bac...

Страница 47: ...without the rack mounting option the rack mounting brackets may be retained on the CFA 24 or removed WARNING For personnel safety when not mounted on a rack the metal enclosure of the CFA 24 must be e...

Страница 48: ...Screw SEG 4 in Punch Blocks SEG 3 out Punch Blocks Seg 3 in Punch Blocks D C Seg 2 out Punch Blocks Seg 2 in Punch Blocks SEG 1 in Punch Blocks SEG 1 out Punch Blocks B CO Punch Blocks A CO or Extende...

Страница 49: ...side of the pair and the Ring wire R is connected to the right side of the pair as defined in punch down block figure that follows Each wire pair must retain its twists up to their separation at the...

Страница 50: ...or larger than the wire removed The punch down block is specified for 20 removals replacements Maintain tip ring twists to the punch block Do not strip the insulation off the wire The punch down block...

Страница 51: ...ne Impact Tool for storage Instructions for Top Row of Punch Down Blocks punched from above connector Tools 1 Fluke Impact Tool 2 Jonard Krone Blade 3 Wire cutter Important Orient the Jonard Krone Bla...

Страница 52: ...the same Tie Bar as the stronger signal end will couple into the weaker signal end As shown on the Connection Figure the output of the CO cable and the input to SEG 1 cable are on the SEG 1 Tie Bar T...

Страница 53: ...e CO cable shield is connected to Shield Continuity Connector A screw using a 10 ring lug The SEG 1 input end cable shield is also connected to the A screw which allows the SEG 1 cable shield to be co...

Страница 54: ...The spacing between cables is most important to limit coupling and crosstalk Leaving the cable on a spool is convenient but may result in higher coupling than occurs in the field and therefore not rep...

Страница 55: ...ower is isolated and is connected to chassis ground through the Shorting Bar When the Shorting Bar is moved from its default setting to disconnect Signal Ground from Chassis Ground the CFA 24 power wi...

Страница 56: ...before attempting to set a line length Select SET LENGTHS from the Test Maintenance screen The SET LENGTHS screen is displayed Copy from thru copy value associated with selected channel to a range of...

Страница 57: ...channel in the CFA 24 Network and placed on the CO or CPE or CO CPE Standalone units only An interruption sequence consisting of the interrupt time and interval between interruptions when repeated can...

Страница 58: ...e one channel to which the interrupt will apply Interrupt Location select CO or CPE or CO CPE Standalone units only from the dropdown Interrupt Time o Microcuts 5ms to 750ms o Cuts 2s to 60s Time Betw...

Страница 59: ...h Reference Manual Page 55 of 78 10 0 User Management Access to interface selections can be controlled using the User Management option Enter the static IP address of the Controller unit to access the...

Страница 60: ...ce Manual Page 56 of 78 Access Level for User o Full Access o Installation Configuration Management o Network Monitoring Screen o Test Maintenance o Set Allowable Line Lengths Interrupts Save click Sa...

Страница 61: ...lity Place the new firmware upgrade file on the remote PC Enter the static IP address of the unit to access the Main screen Select Upgrade Firmware The Main Screen Software version shown is an example...

Страница 62: ...oximately10 minutes The following screen is then shown The above screen may not display 40 to 50 minutes but instead may show this process may take a few minutes A progress bar is displayed The messag...

Страница 63: ...he system to reboot During this time the web browser displays a message indicating the web page is unavailable When the reboot is complete type the IP address of the CFA system into the web browser to...

Страница 64: ...after the upgrade is complete 1 On each CFA 24 in the CFA network navigate to the Installation Configuration Management Coordinate Matrix screen The Coordinate Matrix is shown Load Configuration Click...

Страница 65: ...A 24 Transparent Cable Farm Automation Switch Reference Manual Page 61 of 78 13 0 Technical Support Technical support is available on the web by going to http www telebytebroadband com main support_in...

Страница 66: ...nual Page 62 of 78 Appendix A Configuration Example Diagrams 5 Segments 24 Channels A single Controller unit provides 5 segments and 24 channels The POE adaptor connects to an Ethernet switch AC power...

Страница 67: ...annels The example above shows 1 controller and 1 channel extender unit This adds 24 more channels for a total of 5 segments across 48 channels The Ethernet POE switch connects the remote PC AC power...

Страница 68: ...48 Channels The example above shows 1 Controller unit 1 channel extender 1 segment extender and 1 channel segment extender This provides a total of 10 segments across 48 channels The Ethernet POE swit...

Страница 69: ...SSH Connections For systems shipped before 1 1 2016 once the CFA 24 is powered on it is very important that the user does not unplug the POE Ethernet cable from the CFA 24 Doing so can cause the opera...

Страница 70: ...255 255 255 0 gateway 172 16 21 1 show system software Shows software information of current CFA unit Example Command show system software Response ACCEPTED show system software software CFA 6 9 0 Dat...

Страница 71: ...the included and non included segments of specified Non Colocated vectoring groups n the vectoring group or range of vectoring groups separated by a colon Example show status of segments in Vectoring...

Страница 72: ...lues line either a single channel or a range of channels separated by a colon e g 2 12 Example Command show leave 1 9 17 Response ACCEPTED show leave 1 9 17 Channel 1 co on cpe off Channel 9 co on cpe...

Страница 73: ...1 12 Vectoring Group 2 Type colocated Number of channels in VG2 12 Channels in VG2 13 14 15 16 17 18 19 20 21 22 23 24 Set Command set h Displays a help menu with CFA set commands set length line leng...

Страница 74: ...Response ACCEPTED set term 1 3 yes channel 1 is terminated channel 2 is terminated channel 3 is terminated set termloc line co cpe both none Terminates a channel independently on either the CO CPE or...

Страница 75: ...ine is cut in milliseconds Allowable Range 5 ms to 750 ms Increments 5 ms period is the time of the complete cycle The cycle consists of the interrupt time and the closed time Periods are only in seco...

Страница 76: ...ycle The cycle consists of the interrupt time and the closed time Periods are only in seconds Allowable Range 1 s to 180 s Increments 1 s count It represents the number of line on off events to execut...

Страница 77: ...leave 1 co off Reestablishes the line Response ACCEPTED set leave 1 co off Example 2 set leave on lines 1 to 24 co side to on Command CFA 24 set leave 1 24 co on Example 3 set leave on lines 1 5 9 17...

Страница 78: ...ame segment in the Check to Include column on the Test Maintenance screen vectoring group a single vectoring group or a range of vectoring groups separated by a colon e g vg1 vg5 segment a segment num...

Страница 79: ...arent Cable Farm Automation Switch Reference Manual Page 75 of 78 Appendix C ID 337 Screen Examples Example Using Two Vectoring Groups 4 Channels Each Coordinate Matrix 8 Channels Configure MP Cables...

Страница 80: ...Model CFA 24 Transparent Cable Farm Automation Switch Reference Manual Page 76 of 78 Test Maintenance All Segments Selected Set Lengths 2 Different Lengths for Each Vectoring Group...

Страница 81: ...nt 2 30m Segment 1 20m The Coordinate Type of MP should be assigned in the Coordinate Matrix The above allows selection of the 20 50 100 200 and 400 meters in the standard TR 249 Telebyte recommends i...

Страница 82: ...erial or workmanship during the warranty period Warranty repairs will be performed at the point of manufacture Equipment approved for return for warranty service shall be returned F O B TELEBYTE facto...

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