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HDSL4 for General Distribution Installation and Maintenance Practice

Control Port Operation

61223HDSL4L2-5C

43

Event History

The Event History screen (

provides a log history of HDSL4 circuit events.

Figure 37. Event History Screen

The following is a list (but not all-inclusive) of possible events:

• Circuit ID Change

• HDSL/T1 PM Registers Reset

• DS1 Transmit Level Option Change

• Line Code Option Change

• DSX/DS1 Alarm Type Active/Inactive

• Loopback Time Out Option Change

• DSX-1 Line Build Out Option Change

• Network Source Setting Change

• Element Network/Customer Loop up/

Loop down

• NIU Loopback Option Change

• Event Log Reset

• Span Power Option Change

• External Alarm Blocking Change

• Time/Date Changed From/To

• Framing Option Change

• Splice Detector Reset

• H4TU-C/H4TU-R Powered Up

• Bad Splice Detected

Circuit ID:HNTSVLALHDSL4 03/09/05 09:29:45
Press ESC to return to previous menu

Num Description of Event Date Time Source
-------------------------------------------------------------------------

1.  H4TU-C Powered Up                         01/01/00 00:00:01 H4TU-C
2.  H4TU-R Powered Up                         01/01/00 00:03:08 H4TU-R
3.  H4TU-C Powered Up                         01/01/00 00:00:01 H4TU-C
4.  H4TU-R Powered Up                         01/01/00 00:14:03 H4TU-R
5.  Default Options Restored                  01/01/00 00:16:23 H4TU-C
6.  Date changed to                           06/09/04 02:18:07 H4TU-C
7.  Time changed to                           06/09/04 11:28:00 H4TU-C
8.  T1 PM Registers Reset                     06/09/04 11:54:37 H4TU-C
9.  T1 PM Registers Reset                     06/09/04 11:57:09 H4TU-C

      Page Number: 1/  1   Number of Events:   9
-------------------------------------------------------------------------
   'P' - Previous Page  'H' - Home    'R' - Reset Events
   'N' - Next Page      'E' - End

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Содержание 1181413L2

Страница 1: ...223404L12 T1L9EFGA_ _ T200 H4TU C 1223406L2 T1T2JE0B_ _ T200 H4TU R Local Powered 1223424L2 T1L497PC_ _ T200 H4TU R Span Powered 1223426L2 T1L85M7C_ _ 239 H4R 1223445L1 LP1 NET LP2 LP1 LP2 LL RL Y G CUST REM LOC LBK 1223426L2 DSL 1 DSL 2 DS1 ALM GRN YEL ESF SF GRN YEL GRN YEL B8ZS AMI LLB RLB RX M O N TX R S 2 3 2 1181413L2 EQ T X MON R X T X R X DSL2 DSL1 DSX DS1 ALM B8ZS AMI YEL GRN ESF SF YEL G...

Страница 2: ...communications Inc To the Holder of the Manual The contents of this publication are current as of the date of publication ADTRAN reserves the right to change the contents without prior notice In no event will ADTRAN be liable for any special incidental or consequential damages or for commercial losses even if ADTRAN has been advised thereof as a result of issue of this publi cation 901 Explorer Bo...

Страница 3: ...hasis This font indicates on screen messages and prompts This font indicates text to be typed exactly as shown This font indicates silkscreen labels or other system label items This font is used for strong emphasis NOTE Notes inform the user of additional but essential information or features CAUTION Cautions inform the user of potential damage malfunction or dis ruption to equipment software or e...

Страница 4: ...ews on product features and functions while covering applications of ADTRAN s product lines ADTRAN provides a variety of training options including customized training and courses taught at our facilities or at customer sites For more information about training contact ADTRAN Training Phone 800 615 1176 ext 7500 Training Fax 256 963 6700 Training Email training adtran com ...

Страница 5: ...phenol Connectors 10 Provisioning 11 Provisioning Options 11 Provisioning Options Total Access 3000 H4TU C 13 HDSL4 System Testing 13 H4TU C Bantam Jacks 13 H4TU R Bantam Jacks 14 Loopbacks 15 H4TU R Front Panel Pushbuttons 17 Front Panel LED Indicators 17 Control Port Operation 19 Menu Structure 20 Accessing the HDSL4 Main Menu 20 Accessing the HDSL4 Main Menu Total Access 3000 H4TU C 22 Total Ac...

Страница 6: ...40 HDSL4 Facility Alarm History 41 HDSL4 Span History 42 Event History 43 The System PM Screen Report 44 Clear PM and Alarm Histories 44 Troubleshooting 45 Troubleshooting Guidance 45 General Information 46 Chronic Circuit Guidance 47 View Splice Results 48 View Histogram Screen 49 Reset Splice Detector 49 Flash Upgrade 50 Download HTUC via Y Modem 51 Download HTUC via TFTP 52 Boot Block Status 53...

Страница 7: ...ults Screen B 6 Reset Splice Detector B 6 View Splice Histogram B 7 Event History Screen B 8 Compatibility B 8 Using the Bad Splice Detector B 9 Fault GFI Short Bridging B 10 Fast Retrain Feature B 11 Appendix C Front Panel DSX and MUX Mode Test Access C 1 General C 1 DSX Mode Test Access C 1 DSX MON Tx to Customer C 1 DSX MON Rx from Customer C 2 DSX EQ Tx to Customer Rx from Customer C 2 MUX Mod...

Страница 8: ... 3000 H4TU C Span Status Screen 28 Figure 21 Detailed Status Screen 29 Figure 22 Auto In Service Screen 29 Figure 23 Loopback and Test Commands Menu 31 Figure 24 Total Access 3000 H4TU C Loopback and Test Commands Screen 32 Figure 25 BERT Test Screen 33 Figure 26 Select Data Pattern 34 Figure 27 BERT Test Functions Selection 4 Enter Test Time Out 34 Figure 28 BERT Inject Errors Screen 35 Figure 29...

Страница 9: ...4 Resistance Budget Span Powering Two Repeaters Example 59 Figure B 1 TScan Diagnostic Capabilities B 2 Figure B 2 Chronic Circuit Screen B 5 Figure B 3 Splice Results Screen B 6 Figure B 4 Splice Histogram Screen B 7 Figure B 5 Event History Screen B 8 Figure C 1 DSX MON Tx to Customer C 1 Figure C 2 DSX MON Rx from Customer C 2 Figure C 3 DSX EQ Tx to Customer Rx from Customer C 2 Figure C 4 MUX...

Страница 10: ... Options 13 Table 8 H4TU C Front Panel LED Indicators 17 Table 9 H4TU R Front Panel LED Indicators 18 Table 10 Auto In Service Status Indications 30 Table 11 Attenuation limits 55 Table 12 Range Limits 26 Gauge 70 F PIC 56 Table 13 Range Limits 24 Gauge 70 F PIC 56 Table 14 Single Pair DC Resistance Value 57 Table 15 H4TU C Troubleshooting Guidelines 60 Table 16 H4TU R Troubleshooting Guidelines 6...

Страница 11: ... signals to the customer Up to three H4R repeaters may be utilized to extend the service range See HDSL4 Deployment Guidelines on page 55 for details New features available with this product release are described in detail in Appendix B HDSL4 Features Table 1 lists the ADTRAN HDSL4 Central Office modules approved for general distribution Table 2 lists the ADTRAN HDSL4 remote modules provided for g...

Страница 12: ... 1181413L2 1181413L2 EQ T X MON R X T X R X DSL2 DSL1 DSX DS1 ALM B8ZS AMI YEL GRN ESF SF YEL GRN LBK 1223401L2 DSL 1 DSL 2 TX E Q RX TX M O N R S 2 3 2 RX DSX DSX DS1 ALM LBK ESF SF B8ZS AMI 1223403L2 R S 2 3 2 TX TX RX DSXMON DSXEQ RX DSX DS1 ALM DSL 1 DSL 2 LBK ESF SF B8ZS AMI 1223404L2 DSX DS1 ALM DSL1 DSL2 R S 2 3 2 LBK ESF SF B8ZS AMI TX RX TX RX DSX MON DSX EQ 1223404L12 DSX DS1 ALM DSL1 DS...

Страница 13: ...2034L3 T400 Single Mount High Voltage Enclosure 61242034L3 5 1245034L12 T200 Dual Mount Installation Maintenance 61245034L1 5 1 In all applications the H4TU C must be installed in NEBS compliant and UL listed enclosures to insure full compliance with this unit 2 The ADTRAN T200 Dual Mount housing P N 1245034L1 is required when using the T200 H2TU C for HDSL Loop Support System HLSS protection circ...

Страница 14: ... approved by ADTRAN could void the user s authority to operate this equipment H4TU C Compliance Table 4 shows the compliance codes for the H4TU C modules The H4TU C modules provide span powering voltage negative only with respect to ground 190 VDC nominal GFI protection 5 mA and meets requirements of Bellcore GR 1089 CORE Class A2 and ANSI T1 418 2002 H4TU R Compliance Table 5 shows the compliance...

Страница 15: ...g material when transporting or storing When working on modules always place them on an approved antistatic mat that is electrically grounded ADTRAN HDSL4 modules plug directly into the enclosure Installation wiring is not required WARNING Up to 200 VDC may be present on telecommunications wiring The DSX 1 interface is intended for connection to intra building wiring only Ensure chassis ground is ...

Страница 16: ...I protection to less than 5 mA The span powering supply is current limited to approximately 150 mA Refer to Figure 3 The differential span power output voltage is measured between Loop 1 and Loop 2 reference to Loop 1 and is typically 185 VDC Loop 1 shows a typical voltage of 6 VDC with respect to ground potential while the Loop 2 potential is typically 191 VDC with respect to ground potential Fig...

Страница 17: ...e ejector latch All Other Modules To install any of the HDSL4 modules with the exception of those explained above perform the following steps 1 Hold the unit by the front panel while supporting the bottom edge of the module and engage the enclosure edge 2 Align the unit edges to fit in the lower and upper guide grooves for the enclosure slot 3 Slide the unit into the access module slot Simultaneou...

Страница 18: ...ire Wrap Loop 1 HDSL4 Ring Wire Wrap 48 VDC 1 DSX 1 Rx In Tip Wire Wrap DSX 1 Rx In Ring Wire Wrap 48 VDC RET DSX 1 Tx Out Tip Wire Wrap DSX 1 Tx Out Ring Wire Wrap Fuse Alarm 220 Edge Connector Wiring 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 LP1 Tip LP1 Ring DSX 1 Rx Tip DSX 1 Rx...

Страница 19: ...omer 48 VDC Return Local Power Range 24 to 56 VDC or Chassis Ground 48 VDC Local Power Range 24 to 56 VDC or HDSL4 Loop 2 Tip HDSL4 Loop 2 Ring facility DS1 TX In Ring from customer DS1 TX In Tip from customer 3192M Edge Connector Wiring 1 2 3 4 5 6 7 8 9 10 A B C D E F H J K L R1 Rx DSX Out to DSX R Tx DSX In from DSX 48 VDC Return 48 VDC R HDSL4 Loop 1 Fuse Alarm to Alarm Module T Tx DSX In from...

Страница 20: ... 25 26 27 28 29 30 31 32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 P2 Row A P2 Row B P2 Row C 48 volt return Interrupt Request MUX B Receive Data MUX A Receive Clock MUX A Receive Data Chassis ground Chassis ground HDSL4 Loop 2 Ring facility SCU Control Lead Fuse alar...

Страница 21: ...tings Default Settings 1 DSX 1 Line Build Out External 1 0 133 feet 133 266 feet 266 399 feet 399 533 feet 533 655 feet 0 133 feet 2 DSX 1 DS1 Line Code B8ZS AMI B8ZS 3 DSX 1 DS1 Framing SF ESF Unframed Auto ESF 4 Force Frame Conversion 2 Disabled Enabled Disabled 5 Smartjack Loopback Disabled Enabled Enabled 6 Loopback Time Out None 120 Minutes 120 Minutes 7 Latching Loopback Mode 3 T1 Disabled F...

Страница 22: ...rt Note When operating in FT1 mode and during periods of T1 loss of signal LOS or T1 AIS from the customer CI the HDSL system sends in the network direction from the HTU C a Fractional DS1 idle signal consisting of a repeating 7E HEX byte payload within a framed unframed T1 signal In addition when optioned for FT1 mode the setting for Customer Loss Response is ignored 4 Customer Loss Indicator AIS...

Страница 23: ...ource 2 DSX MUX A MUX B Auto MUX DSX External Alarms Enabled Disabled Disabled Auto In Service Disabled Enabled Enabled Auto IS Startup Period 1 hour 4 hours 8 hours 24 hours 4 hours Auto IS Off Period 1 hour 4 hours 8 hours 24 hours 8 hours 1 The Service State defaults to Out of Service Maintenance which allows active connections to the DSX or MUX interface however no alarms are generated The In ...

Страница 24: ...e test set to the MON RX jack and the input REC of the test set to the MON TX jack A detailed description of testing via the Total Access 3000 H4TU C Bantam Jack arrangement is provided in Appendix C Front Panel DSX and MUX Mode Test Access H4TU R Bantam Jacks The DS1 bantam jacks provide access for DS1 signal monitoring The jacks labeled MON provide a test access point for monitoring the transmit...

Страница 25: ...e modules respond to the industry standard for HDSL loopbacks A detailed description of these loopback sequences is given in Appendix A Loopback Control Codes and Commands 3 H4TU R modules respond to loopbacks initiated using front panel pushbuttons ADTRAN HDSL4 modules contain smartloop technology By constantly monitoring the DSX 1 for a framing pattern ADTRAN HDSL4 modules initiate the proper lo...

Страница 26: ...this mode an AIS all ones signal is supplied to the network Figure 8 HDSL4 Loopbacks X H4R2 Customer Side Loopback DSX 1 AIS H4TU C H4R2 DS1 H4TU R H4R1 X Signal Inactive H4R2 Network Side Loopback DSX 1 H4TU C H4R2 DS1 AIS AIS H4TU R H4R1 X H4R1 Customer Side Loopback DSX 1 AIS H4TU C H4R2 DS1 H4TU R H4R1 H4R1 Network Side Loopback DSX 1 H4TU C H4R2 DS1 H4TU R H4R1 X X DSX 1 H4TU C LOCAL LOOP H4T...

Страница 27: ...U C and Table 9 for the H4TU R Table 8 H4TU C Front Panel LED Indicators Module Label Condition Description DSL 1 DSL 2 z Green z Red DSL Loop 1 and Loop 2 sync no errors currently detected signal margin 3 dB No DSL Loop 1 Loop 2 sync errors being detected or signal margin 3 dB DSX DS1 z Green z Red DSX 1 signal is present and no errors currently being detected In framed mode denotes loss of frami...

Страница 28: ...ignal is present and no errors currently being detected No DSX 1 signal or signal is present with errors ALM Off z Red z Yellow No active alarm present Loss of DSX 1 signal to the unit Loss of DS1 signal to the remote ESF SF Off z Yellow z Green Unit is provisioned for Unframed data Unit is provisioned for ESF data Unit is provisioned for SF data B8ZS AMI z Yellow z Green Unit is provisioned for B...

Страница 29: ... HiGain Management Unit HMU is installed the 3192M DB 9 is disabled Terminal screens must be accessed from any one of these HMUs HMU 319 L7A HMU 319 L7AV307 HMU 319 L7A32 The terminal interface operates at data rates from 1 2 kbps to 19 2 kbps The Total Access 3000 SCU default rate is 9 6 kbps and can operate to data rates as high as 115 2 kbps The asynchronous data format is fixed at the followin...

Страница 30: ... facilitate changes to the current SCU settings The HDSL4 supports two different types of menu items read only and read write A read only menu item displays information that cannot be changed such as the status A read write menu item displays information that when selected can be changed Options that can be changed from menus are labeled with a number To change an option select the appropriate num...

Страница 31: ...page 36 Scratch Pad Circuit ID and Date Time Screen on page 38 Terminal Modes on page 39 Alarm History on page 40 Event History on page 43 The System PM Screen Report on page 44 Clear PM and Alarm Histories on page 44 Troubleshooting on page 45 Virtual Terminal Control on page 54 Circuit ID HNTSVLALHDSL4 03 09 05 09 29 45 Adtran HDSL4 Main Menu 1 HDSL4 Unit Information 2 Provisioning 3 Span Status...

Страница 32: ...nt name is ADMIN The default password is PASSWORD Figure 11 Logon Screen Total Access 3000 Main Menu After successful logon the Total Access 3000 Main Menu Figure 12 displays Select the Access Modules option from this menu Figure 12 Total Access Main Menu TID Total Access System 03 09 05 09 29 Unit Number 1 Total Access System Account Name System Help Screen Shelf 1 Total Access System 03 09 05 09...

Страница 33: ...ns are available as listed on Figure 14 Figure 14 Total Access 3000 H4TU C Main Menu Screen Shelf 1 Total Access System 03 09 05 09 29 Unacknowledged Alarms None Access Module Menus 1 H4TU C L2 None 15 None 2 None 16 None 3 None 17 None 4 None 18 None 5 None 19 None 6 None 20 None 7 None 21 None 8 None 22 None 9 None 23 None 10 None 24 None 11 None 25 None 12 None 26 None 13 None 27 None 14 None 2...

Страница 34: ...n The Unit Information screen Figure 15 provides detailed product information on each component in the HDSL4 circuit ADTRAN Technical Support contact numbers are also available from the Unit Information screen Figure 15 ADTRAN Information Screen Circuit ID HNTSVLALHDSL4 03 09 05 09 29 45 Press ESC to return to previous menu ADTRAN 901 Explorer Boulevard Huntsville Alabama 35806 2807 For Informatio...

Страница 35: ...nit press D which restores the factory default settings to those shown in Table 6 on page 11 Circuit ID HNTSVLALHDSL4 03 09 05 09 29 45 Press ESC to return to previous menu Provisioning 1 DSX 1 Line Buildout 0 133 ft 2 DSX 1 DS1 Line Code B8ZS 3 DSX 1 DS1 Framing ESF 4 Forced Frame Conversion Disabled 5 Smartjack Loopback Enabled 6 Loopback Timeout 120 Min 7 Latching Loopback Mode T1 Disabled 8 DS...

Страница 36: ...tem 03 09 05 10 59 Unacknowledged Alarms INFO Circuit ID Provisioning 1 DSX 1 Line Buildout 0 133 Feet 2 DSX 1 DS1 Line Code B8ZS 3 DSX 1 DS1 Framing ESF 4 Forced Frame Conversion Disabled 5 Smartjack Loopback Enabled 6 Loopback Timeout 120 Min 7 Latching Loopback Mode T1 Disabled 8 DS1 TX Level 0 dB 9 Span Power Enabled 10 Customer Loss Indicator AIS CI 11 PRM Setting AUTO 12 Loop Atten Alarm Thr...

Страница 37: ...tal Access 3000 H4TU C on page 28 Span Status Screen The Span Status Screen is displayed in Figure 19 Figure 19 Span Status Screen To display a particular screen from the menu press the number key associated with the screen title and then press the ENTER key The only menu option is as follows View Detailed Status on page 29 Circuit ID HNTSVLALHDSL4 03 09 05 09 29 45 Press ESC to return to previous...

Страница 38: ...Access 3000 H4TU C Span Status Screen To display a particular screen from the menu press the number key associated with the screen title and then press the ENTER key The menu options are as follows View Detailed Status on page 29 View Auto In Service Status on page 29 Shelf 5 Slot 22 Total Access System 03 09 05 09 29 Unacknowledged Alarms MAJOR INFO Circuit ID Span Status Screen ______ ______ ___...

Страница 39: ... CUR MAX CUR MIN MAX CUR MAX H4TUC 17 00 17 00 00 17 00 17 00 00 H4R1 NETW 17 00 17 00 00 17 13 17 00 00 H4R1 CUST 17 17 17 00 00 17 00 17 00 00 H4R2 NETW 17 00 17 00 00 17 13 17 00 00 H4R2 CUST 17 17 17 00 00 17 00 17 00 00 H4TUR 17 00 17 00 00 17 00 17 00 00 1 Reset Min Max 2 View Performance History Selection Shelf 1 Slot 15 Total Access System 03 09 05 10 59 Unacknowledged Alarms CRITICAL MAJO...

Страница 40: ...mes are also set from the Provisioning menu A link is provided to view the Alarm History Screen The Alarm History Screen screen is also available by selecting the HDSL4 Main Menu option System responses displayed in the status fields on the Alarm History Screen are shown in Table 10 Table 10 Auto In Service Status Indications Status Field Name System Indications Current Auto In Service State line ...

Страница 41: ...ed product one of two Loopbacks and Test Commands Menus displays Loopbacks and Test Commands Menu on page 31 Loopback and Test Commands Menu Total Access 3000 H4TU C on page 32 Loopbacks and Test Commands Menu The Loopbacks and Test Commands menu is displayed in Figure 23 Figure 23 Loopback and Test Commands Menu Circuit ID HNTSVLALHDSL4 03 09 05 09 29 45 Press ESC to return to previous menu Loopb...

Страница 42: ...ures Equipment Jack selection Select Network or Customer for testing purposes Refer to Appendix C Front Panel DSX and MUX Mode Test Access for details Bit Error Rate Testing BERT Shelf 5 Slot 22 Total Access System 03 09 05 10 59 Unacknowledged Alarms MAJOR INFO Circuit ID Loopback and Test Commands ______ ______ ______ ______ NET CUST DSX 1 ______ ______ ______ ______ DS1 H4TUC H4R 1 H4R 2 H4TUR ...

Страница 43: ...NOTE The BERT only runs unframed patterns When the BERT is run ning option 5 changes to Inject Bit Errors Re start Pattern The Re start Pattern option is used to start or restart a test Stop Test The Stop Test option is used to manually stop the test Shelf 1 Slot 18 Total Access System 03 09 05 10 59 Unacknowledged Alarms MAJOR INFO Circuit ID BERT Test Screen Test Results Test Direction Customer ...

Страница 44: ...ation by entering the hours and or minutes or can run indefinitely by entering 00 00 per the note on the screen Figure 27 BERT Test Functions Selection 4 Enter Test Time Out Shelf 1 Slot 18 Total Access System 03 09 05 10 59 Unacknowledged Alarms MAJOR INFO Circuit ID CUSTOMER Pattern Screen Current Pattern QRSS Pattern 1 63 Pattern 2 511 Pattern 3 2047 Pattern 4 REV 2047 Pattern 5 2 15 Pattern 6 ...

Страница 45: ...s This option is used to display the screen shown in Figure 28 This option generates the selected number of errors from this test origination point to validate the test results Figure 28 BERT Inject Errors Screen Shelf 1 Slot 14 Total Access System 03 09 05 10 59 Unacknowledged Alarms INFO Circuit ID BERT Test Screen Test Results Test Direction Customer Unframed Pattern Generation ON Pattern 2 23 ...

Страница 46: ...story 15 Minute Line Data Definitions Abbreviations used in the Performance Monitoring screens are defined in the Data Definitions screens Figure 30 and Figure 31 Circuit ID HNTSVLALHDSL4 03 09 05 09 29 45 Press ESC to return to previous menu Menu 15 Minute H4TUC DSX 1 Performance Data 1 Definitions ES L SES L LOSS L CV L 2 Reset Data 000 000 000 00000 3 15 Min Data 14 15 000 000 000 00000 4 60 Mi...

Страница 47: ... B8ZS Seconds B8ZS coded signal received CV L Code Violation Count BPV EXZ count NOTE Reverse video indicates invalid data due to a terminal restart or power cycle a data register reset or a system date or time change N Next P Previous Selection Circuit ID HNTSVLALHDSL4 03 09 05 09 29 45 Press ESC to return to previous menu Performance Data Definitions DS1 and DSX 1 Path Related Superframe Extende...

Страница 48: ...ped in this field The circuit ID can be any alphanumeric string up to 25 characters in length The time should be entered using military time format for example enter 3 15 p m as 151500 The date should be entered in the MMDDYY format for example enter January 02 2003 as 010203 NOTE Date time settings for the Total Access 3000 H4TU C are set from the SCU Figure 32 Scratch Pad Circuit ID and Date Tim...

Страница 49: ...the top of each screen By pressing the spacebar three times the screen refreshes and reflects the most current circuit conditions and provisioning options Real Time Update Mode VT100 This mode provides real time updating of HDSL4 circuit conditions and provisioning options as changes occur The default mode is Real Time Update Circuit ID HNTSVLALHDSL4 03 09 05 09 29 45 Press ESC to return to previo...

Страница 50: ...e 34 displays the following information DSX 1 DS1 Red Alarm DSX 1 DS1 Yellow Alarm DSX 1 DS1 Blue Alarm Figure 34 T1 Alarm History Screen Circuit ID HNTSVLALHDSL4 03 09 05 09 29 45 Press ESC to return to previous menu T1 Alarm History LOCATION ALARM FIRST LAST CURRENT COUNT H4TU C RED LOS LOF 01 01 00 00 00 04 01 01 00 00 00 04 Alarm 001 DSX 1 YELLOW RAI OK 000 BLUE AIS OK 000 H4TU R RED LOS LOF O...

Страница 51: ... Alarm History Screen Circuit ID HNTSVLALHDSL4 03 09 05 09 29 45 Press ESC to return to previous menu Facility Alarm History LOCATION ALARM FIRST LAST CURRENT COUNT FACILITY DC OPEN 01 01 00 00 01 40 01 01 00 00 01 40 OK 001 FACILITY SHORT OK 000 FACILITY GROUND FAULT OK 000 H4TU C POWER CYCLE 01 01 00 00 00 02 01 01 00 00 00 02 OK 001 H4TU R POWER CYCLE 01 01 00 00 00 59 01 01 00 21 57 35 OK 006 ...

Страница 52: ... Figure 36 HDSL4 Span History Screen Circuit ID HNTSVLALHDSL4 03 09 05 09 29 45 Press ESC to return to previous menu HDSL4 Span History LOCATION ALARM FIRST LAST CURRENT COUNT SPAN C H1 L1 LOS 01 01 00 00 01 40 01 01 00 00 01 40 OK 001 L2 LOS 01 01 00 00 01 40 01 01 00 00 01 40 OK 001 H4TU C L1 MRGN OK 000 L2 MRGN OK 000 H4R1 NET L1 MRGN OK 000 L2 MRGN OK 000 H4TU C L1 ATTEN OK 000 L2 ATTEN OK 000...

Страница 53: ...g Reset Span Power Option Change External Alarm Blocking Change Time Date Changed From To Framing Option Change Splice Detector Reset H4TU C H4TU R Powered Up Bad Splice Detected Circuit ID HNTSVLALHDSL4 03 09 05 09 29 45 Press ESC to return to previous menu Num Description of Event Date Time Source 1 H4TU C Powered Up 01 01 00 00 00 01 H4TU C 2 H4TU R Powered Up 01 01 00 00 03 08 H4TU R 3 H4TU C ...

Страница 54: ...e 39 Clear PM and Alarm Histories 6 Scratch Pad Ckt ID Time Date 7 Terminal Modes 8 Alarm History 9 Event History 10 System PM Screen Report 11 Clear PM and Alarm Histories 12 Troubleshooting 13 Virtual Terminal Control Selection 10 Enable data logging now Select Report Type or Press Escape to cancel 1 Full System History Report 2 Current Status Report 3 System Configuration Report 4 Alarm Event H...

Страница 55: ...e as follows Troubleshooting Guidance on page 45 General Information on page 46 Chronic Circuit Guidance on page 47 Troubleshooting Guidance Selecting the Troubleshooting Guidance option causes the H4TU C to read the operational status of the unit and return Troubleshooting guidance or hints as to the probable cause of the trouble as shown in Figure 41 Circuit ID 03 09 05 09 29 45 Press ESC to ret...

Страница 56: ...verify cross connect wiring at DSX panel is turned over OUT to IN and IN to OUT If DSX wiring OK connect test set REC to the DSX MON network side equipment to verify signal from network verify test set to MON If no signal troubleshoot office problems For Total Access cards verify the following Provisioning Network Source is configured correctly for Mux or DSX operation Provisioning Service State i...

Страница 57: ...ociated with that item and press ENTER The menu options are as follows View Splice Results on page 48 View Histogram Screen on page 49 Reset Splice Detector on page 49 Press ESC to return to previous menu Chronic Circuit Problems Field experience has shown that many chronic circuit failures are due to bad splices These type circuits generally have the following symptoms Wire pairs pass all electri...

Страница 58: ...erence Point to that anomaly In this example a detection has occurred approximately 650 feet from Loop 2 of the H4TU C module The B Back command access to the previous 14 days Splice Detection Results Figure 44 View Splice Results Screen Circuit ID HTSVALHDSL4 03 09 05 07 32 04 Press ESC to return to previous menu Note Chronic Circuit Results are only valid after all other circuit qualification te...

Страница 59: ...9 times at this distance from an H4TU C module Since 9 is larger than the count detection threshold of 8 this result is reported to the Splice Results Screen Since all other columns show 00 for all counts there is no reason to Change C the view of the distance column to show the distances an H4TU R module is evaluating Reset Splice Detector Choose Reset Splice Detector from the Chronic Circuit Pro...

Страница 60: ...n initiated setup instructions are displayed on the craft access terminal NOTE This Flash Upgrade option is only available for the Total Access 3000 H4TU C Figure 46 Total Access 3000 H4TU C Flash Image Screen To access a particular menu item press the number associated with that item and press ENTER The menu options are as follows Download HTUC via Y Modem on page 51 Download HTUC via TFTP on pag...

Страница 61: ...additions Figure 48 illustrates a Flash upgrade session in progress Figure 47 Download H4TU C via Y Modem Figure 48 Download via Y Modem in Progress Shelf 1 Slot 14 Total Access System 03 09 05 10 59 Unacknowledged Alarms INFO Circuit ID HntsvlALMn0103 Download H4TU C via Y Modem This utility programs the H4TUC The VT100 terminal emulation program used must support Y Modem file transfers and have ...

Страница 62: ... neither Telnet sessions nor remote TFTP file transfers will be available Refer to the appropriate SCU Installation and Maintenance Practice for details on Ethernet settings Once the H4TU C and SCU have been provisioned properly for the TFTP file transfer select option 2 from the H4TU C TFTP file transfer menu screen to initiate the TFTP file transfer from the remotely located computer to the H4TU...

Страница 63: ...otcode cannot be upgraded by future firmware upgrades The bootcode is seldom changed with new download code The bootcode is the small piece of code that allows firmware upgrades on the H4TU C unit If the bootcode becomes corrupted the H4TU C will require factory service to restore it to a functional state Figure 50 Boot Block Status Screen Shelf 1 Slot 17 Total Access System 03 09 05 01 54 Unackno...

Страница 64: ...ress ENTER to access the management interface of the remote unit Terminal control of the H4TU C is retained until 5 minutes of idle time passes or it may be released immediately press CTRL X to terminate the session NOTE This option is not a function of the Total Access 3000 H4TU C Figure 51 Virtual Terminal Control Screen Circuit ID HNTSVLALHDSL4 03 09 05 09 29 45 Press ESC to return to previous ...

Страница 65: ... a circuit having 3 or 4 segments with two or three H4Rs The guidelines reflected herein are for worst case scenarios i e for loops that contain a maximum amount of disturbers noise etc Actual deployment guidelines may vary based on local policy Refer to those guidelines on an as necessary basis to ensure optimum perfor mance Cable Characteristics for HDSL4 The loop cable wiring deployment guideli...

Страница 66: ...nded Turn up Limits indicates the absolute maximum range NOTE In three segment circuits two H4Rs individual segment resis tance values must be verified For more information refer to Resistance Values on page 57 Table 12 Range Limits 26 Gauge 70 F PIC 26 Gauge Recommended Maximum 1st segment 10 470 feet 2nd and 3rd segment 9 865 feet see note above Table 13 Range Limits 24 Gauge 70 F PIC 24 Gauge R...

Страница 67: ... that otherwise meets attenuation and other requirements for cable reach will encounter span powering problems if resistance values are excessive The segment resistance Ω segment is determined using this equation Ωsegment L26 Ω26 L24 Ω24 L22 Ω22 L19 Ω19 where L is the length of AWG cable in kilofeet excluding bridged taps and where Ω26 is the DC resistance of AWG cable Once the resistance of each ...

Страница 68: ...he second segment resistance on the horizontal axis 4 Find the instance where the two points from step 2 and step 3 meet on the graph The point found in step 4 must be below the upper limit line defined by the third segment measurement step 1 If the instance where these two points is above this line the H4TU C cannot span power two H4Rs and the H4TU R NOTE These measurements represent only one of ...

Страница 69: ...gure 54 This line is the upper span power limit 2 Find the 600 ohm first segment resistance point on the vertical axis 3 Find the 700 ohm second segment resistance point on the horizontal axis 4 Find the instance on the graph where the points from step 2 and step 3 meet If this point is below the bold line defined in the step 1 then a circuit with these parameters is capable of span powering two H...

Страница 70: ...eaters will be required The standards based 190 VDC power supply can not span power all three repeaters plus a span powered remote In this long reach application the DC resistances of the individual segments between the Central Office and the third repeater must be within limits similar to those described on the previous page The DC resistance graph for the three repeater circuit with locally powe...

Страница 71: ...be performed in the field Repair services may be obtained by returning the defective unit to ADTRAN For more information refer to Appendix D Warranty TROUBLESHOOTING Table 15 and Table 16 provide a troubleshooting guide to assist in problem resolution 300 400 500 600 700 800 900 1000 200 300 400 500 600 700 800 900 1000 2nd segment single pair resistance ohms 1st segment single pair resistance ohm...

Страница 72: ...tify a problem with the cable pair ALM LED is solid Red Loss of Signal on the DSX 1 ALM LED is solid Yellow Loss of Signal on the DS1 on the remote Table 16 H4TU R Troubleshooting Guidelines Condition Solution All front panel indicators are off 1 Make sure the H4TU R is properly seated in the housing 2 Check powering voltage For Span Powered unit 1223426L2 verify that the H4TU C is delivering suff...

Страница 73: ... 5 kft Compliant with T1 418 2000 HDSL4 Standard 14 1 0 5 dBm 0 to 400 kHz 14 1 0 5 dBm 0 to 307 kHz 135 ohms Refer to the HDSL4 Deployment Guidelines on page 55 12 dB 50 kHz to 200 kHz Network Interface DSX 1 Line Build Out DS1 Line Coding DS1 Framing Format 0 133 feet default 133 266 feet 266 399 feet 399 533 feet 533 655 feet External default if using a Kentrox shelf AMI B8ZS default ESF defaul...

Страница 74: ...0 in high 1 40 in wide 10 00 in deep 4 00 in high 0 69 in wide 10 13 in deep 4 75 in high 0 69 in wide 10 13 in deep 4 75 in high 0 69 in wide 10 13 in deep 5 50 in high 0 69 in wide 6 00 in deep Less than 1 pound Environment Temperature Operating Temperature Storage Relative Humidity 40 C to 70 C 40 C to 85 C Up to 95 noncondensing Compliance NRTL Listed to the applicable UL standards Bellcore NE...

Страница 75: ...n page 55 Refer to the HDSL4 Deployment Guidelines on page 55 Single Taps 2 kft Total Taps 2 5 kft Compliant with T1 418 2002 HDSL4 Standard 14 1 0 5 dBm 0 to 400 kHz 14 1 0 5 dBm 0 to 307 kHz 135 ohms Refer to the HDSL4 Deployment Guidelines on page 55 12 dB 50 kHz to 200 kHz Network Interface DS1 Output Level DS1 Signal Input Level DS1 Line Coding DS1 Framing Format 0 dB 7 5 dB 15 dB 0 to 22 5 d...

Страница 76: ...rol port Physical Dimensions T200 H4TU R Weight Height 5 50 inches Width 0 69 inch Depth 6 00 inches Less than 1 pound Environment Temperature Operating Temperature Storage Relative Humidity 40 C to 70 C 40 C to 85 C Up to 95 noncondensing Compliance NRTL Listed to the applicable UL standards Bellcore NEBS Level 3 SR 3580 FCC 47CFR Part 15 Class A Part Number T200 H4TU R Local Powered T200 H4TU R ...

Страница 77: ...loopback In band control code sequences are transmitted over the DS1 link by either the insert or overwrite method The HDSL4 elements respond to either method The insert method produces periodic control sequences that are not overwritten by the DS1 framing bits The overwrite method produces periodic control sequences However once per frame the framing bit overwrites one of the bits in the control ...

Страница 78: ...111 0000 0100 FF06 1111 1111 0000 0110 FF08 1111 1111 0000 1000 3F04 0011 1111 0000 0100 3F06 0011 1111 0000 0110 3F08 0011 1111 0000 1000 FF02 1111 1111 0000 0010 3F02 0011 1111 0000 0010 Loopback data from network toward network at HTU C Loopback data from customer toward customer at HTU C Loopback data from network toward network at H4R1 Loopback data from network toward network at H4R2 Loopbac...

Страница 79: ...med the H4TU C will loop up 2 seconds of AIS all ones are transmitted the looped data is sent for 5 seconds and then a burst of 231 logic errors is injected The burst of 231 logic errors continues every 20 seconds as long as the D3D3 pattern is detected When the pattern is removed the unit remains in loopback If the pattern is reinstated the injection of 231 logic errors continues every 20 seconds...

Страница 80: ...hen retrain and return to the disarmed and unlooped state First H4R Loopback 1 2 C741 1100 0111 0100 0001 If one or more H4Rs are present the H4R closest to the H4TU C loops up toward the network 2 sec onds of AIS all ones are transmitted the looped data is sent for 5 seconds and then a burst of 10 logic errors is injected The burst of 10 logic errors continues every 20 seconds as long as the C741...

Страница 81: ...toward the network 2 seconds of AIS all ones is transmitted the looped data is sent for 5 seconds and then a burst of 20 logic errors is injected The burst of 20 logic errors continues every 10 seconds as long as the C742 pattern is detected When the pattern is removed the unit remains in loopback If the pat tern is reinstated the injection of 20 logic errors continues every 10 seconds 1 All codes...

Страница 82: ...HDSL4 Maintenance Modes HDSL4 for General Distribution Installation and Maintenance Practice A 6 61223HDSL4L2 5C This page is intentionally blank ...

Страница 83: ...n page B 3 Auto In Service The Total Access 3000 Unit supports the Auto In Service feature that will automatically change the service state of the line card from Out of service Maintenance OOS MA to In Service and vice versa based on DSL loop synchronization and or DSX 1 DS1 alarm presence Auto In Service settings are shown and described in more detail in View Auto In Service Status on page 29 Bit...

Страница 84: ...l test facility that issues commands and retrieves data via FDL from the H4TU C TScan performs the following functions see Figure B 1 Detection and location of an open on one or both conductors Detection and location of a short between Tip and Ring Detection and location of a ground fault from either or both conductors Detection of foreign voltage H4TU C Self Diagnostics Remote detection of the pr...

Страница 85: ... environmental con ditions and their effect on telecommunications plant ADTRAN can not guarantee the accuracy of the measurements Comparison to existing engineering drawings should provide exact locations of suspect splices indicated by ADTRAN algorithms The support mechanisms for this feature can logically be divided into the following six segments Splice Detection Algorithm on page B 3 Screen Su...

Страница 86: ...y and the command is sent across the EOC so that all units will also reset their detectors EOC Support To get full coverage of the loop all elements in the circuit run a local detector and then transmit the results local histogram counts and corresponding distance buffers of that detection across the EOC to the terminating units CO and RT The terminating units can then use these counts to present ...

Страница 87: ...dance varying splice should be considered To access a particular menu item press the number associated with that item and press ENTER The menu options are as follows View Splice Results Screen on page B 6 Reset Splice Detector on page B 6 View Splice Histogram on page B 7 Press ESC to return to previous menu Chronic Circuit Problems Field experience has shown that many chronic circuit failures are...

Страница 88: ... H4TU C module The B Back command will allow the technician to scroll back through the last 14 days Splice Detection Results Figure B 3 Splice Results Screen Reset Splice Detector The Splice Detector can be reset by one of three methods Power up The splice detector automatically clears all histogram counters and initializes all distance buffers upon power up To prevent loss of splice results due t...

Страница 89: ...Loop 2 counts The remaining columns are for the H4R repeaters numbered 1 2 and 3 according to the number deployed in the circuit HR1 N is the network side of the first repeater HR1 C is the customer side of the repeater and so forth In this example the distances shown are corresponding to an H4TU C module since that is the transceiver that has detected the anomaly The count of 09 in the 650 feet r...

Страница 90: ...plices up to slightly more than half the circuit length Likewise a splice detection capable H4TU R will be able to detect bad splices up to slightly more than half the circuit from the remote end With older non splice detection units the splice detection capable units will not receive Embedded Operations Channel EOC messages from the older units so visibility from the other end is lost Splice dete...

Страница 91: ...id inaccurate results due to old splice detect data left in the non volatile memory 5 Leave the circuit operating for a few hours or days depending on severity of problem and then re check 6 Go to Splice Detector Results Screen and see if any indicated trouble is reported 7 If a problem splice has been detected re splicing the closest splices to the indicated trouble 275 feet for HDSL 2 and 550 fe...

Страница 92: ...d software enhancements allows the units to sustain communication during brief interruptions in the span supply or brief distor tions of the HDSL signal The hardware will still react to shut down the span supply for the duration of a power fault to comply with safety requirements however the software will wait much longer 150 msec of fault before holding the span supply off This will allow the spa...

Страница 93: ...tion HDSL2 and HDSL4 units a 1 second loss of HDSL frame synchronization would cause the units to retrain This retrain would take approximately 25 seconds during which AIS would be sent to the terminating equipment The reception of AIS by the terminating equipment then might trigger higher level protocol re synchronizations In an effort to minimize this down time the Fast Retrain feature has been ...

Страница 94: ...HDSL NEW ENHANCED FEATURE OVERVIEW HDSL4 for General Distribution Installation and Maintenance Practice B 12 61223HDSL4L2 5C This page is intentionally blank ...

Страница 95: ...en Figure 23 on page 31 is used to configure this jack for the network or customer Every time the HTU C is power cycled it will default to the Customer direction DSX MODE TEST ACCESS DSX MON Tx to Customer The Rx of the BERT receives data from the TX MON jack Figure C 1 This data has a monitor jack impedance of 432 ohms and comes from the Backplane Network T1 DSX the data that would go toward the ...

Страница 96: ... of the BERT goes to the TX EQ jack and the Rx of the BERT goes to the RX EQ jack Figure C 3 The TX EQ data from the BERT is sent to the customer The RX EQ data to the BERT is data from the customer The MON jack TX and RX are 432 ohm replicas of the EQ TX and RX direct connections This test is intrusive as it connects the EQ jacks directly to and from the customer data Figure C 3 DSX EQ Tx to Cust...

Страница 97: ...igure C 4 MUX MON Tx to Customer MUX MON Rx from Customer The Rx of the BERT receives data from the RX MON jack Figure C 5 This data is 432 ohm copy of the data that the H4TU C will receive from the customer and route to the Total Access shelf s MUX network The Tx of the BERT is not used This test is non intrusive Figure C 5 MUX MON Rx from Customer TX DSX EQ RX TX DSX MON RX X From DSX To DSX Fro...

Страница 98: ...irection Figure C 6 MUX EQ Tx to Network Rx from Network MUX EQ Tx to Customer Rx from Customer The Tx of the BERT is connected to the EQ TX jack and the Rx of the BERT is connected to the RX EQ jack Figure C 7 The Tx of the BERT is then substituted for the data that the H4TU C sends to the customer The Rx of the BERT receives data directly from the customer The MON TX and RX jacks are 432 ohm imp...

Страница 99: ...les support Customer and Product Service CAPS requests or further information ADTRAN Sales Pricing Availability 800 827 0807 ADTRAN Technical Support Pre Sales Applications Post Sales Technical Assistance 800 726 8663 Standard hours Monday Friday 7 a m 7 p m CST Emergency hours 7 days week 24 hours day ADTRAN Repair CAPS Return for Repair Upgrade 256 963 8722 Repair and Return Address Contact CAPS...

Страница 100: ...Carrier Networks Division 901 Explorer Blvd Huntsville AL 35806 ...

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