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61247004L1-5A

1

HDSL

3192 HTU-C

INTRODUCTION

This practice is an installation and maintenance guide for the ADTRAN

®

HDSL 3192 HTU-C

(3192 HTU-C). The 3192 HTU-C (P/N 1247004L1) is used to deploy an HDSL T1 circuit using
4-wire metallic facilities. The unit occupies one slot in a 3192 shelf.

illustrates the

3192 HTU-C front panel.

Figure 1. 3192 HTU-C Front Panel

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Summary of Contents for HDSL 3192 HTU-C

Page 1: ...HDSL 3192 HTU C Installation and Maintenance Practice Document Number 61247004L1 5A CLEI T1I3AAPA_ _ April 2008 ...

Page 2: ...his Document The contents of this document 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 document 901 Explorer Boulevard P O Box 140000 Huntsville AL 3581...

Page 3: ... font indicates references to other documentation and is also used for emphasis This font indicates on screen messages and prompts This font indicates text to be typed exactly as shown This font indicates silk screen 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 use...

Page 4: ...product features and functions while covering applications of ADTRAN product lines ADTRAN provides a variety of training options including customized training and courses taught at our facilities or at customer sites For inquiries concerning training contact ADTRAN Training Phone 800 615 1176 ext 6996 Training Fax 256 963 6217 Training Email training adtran com ...

Page 5: ...rface 14 Menu Structure 14 Menus 14 Screen 14 Menu Navigation 14 Screen Abbreviations 15 Menu Descriptions 16 HDSL Main Menu 17 Current System Status Screens 19 Current System Status HRE Screen 22 Performance History Screen 23 Performance History HRE Screen 24 Loopbacks Options Menu 25 Self Test Options Screen 26 Provisioning Screen 26 Troubleshooting Display Screen 27 Alarm History Screen 28 Set ...

Page 6: ... Repair CAPS C 1 Repair and Return Address C 1 Figures Figure 1 3192 HTU C Front Panel 1 Figure 2 HDSL Deployment Guidelines 5 Figure 3 3192 HTU C Edge Connector Wiring 11 Figure 4 3192 HTU C Span Power Diagram 12 Figure 5 RS 232 DB9 Pin Assignments 13 Figure 6 Introductory Menu Screen 16 Figure 7 HDSL Main Menu 17 Figure 8 Current System Status Screen 19 Figure 9 Current System Status HRE Screen ...

Page 7: ... 6 Table 4 Loop Insertion Loss Data 6 Table 5 Line Build Out Switch Settings 8 Table 6 Front Panel LEDs 9 Table 7 3192 HTU C Provisioning Defaults 10 Table 8 3192 HTU C Alarm Connections 12 Table 9 Screen Abbreviations 15 Table 10 HDSL Main Menu Options 17 Table 11 HDSL DS1 and DSX 1 Key Definitions 20 Table 12 Pair Reversal Key Definitions 20 Table 13 HDSL Loop Signal Quality 21 Table 14 ADTRAN N...

Page 8: ...HDSL 3192 HTU C Installation and Maintenance Practice viii 61247004L1 5A This page is intentionally blank ...

Page 9: ... maintenance guide for the ADTRAN HDSL 3192 HTU C 3192 HTU C The 3192 HTU C P N 1247004L1 is used to deploy an HDSL T1 circuit using 4 wire metallic facilities The unit occupies one slot in a 3192 shelf Figure 1 illustrates the 3192 HTU C front panel Figure 1 3192 HTU C Front Panel ...

Page 10: ...th a small amount of overhead used for maintenance and performance monitoring System power and alarm bus connections are made through the backplane of the 3192 shelf DSX 1 and HDSL signals are connected through the wire wrap pins or the 50 or 164 pin shelf connectors related to each individual slot The 3192 HTU C contains an onboard fuse If this fuse opens it supplies a 48 VDC voltage to the fuse ...

Page 11: ...cess Locations by qualified personnel This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation Changes or modifications not expressly approved by ADTRAN could void the user s authority to operat...

Page 12: ...1 CORE i e carbon blocks gas tubes solid states etc NOTE The DSX 1 port is classified as Type 2 or 4 as defined in Appendix B of GR 1089 CORE Issue 4 and is suitable for connection to intra building or unexposed wiring or cabling only Do not metallically connect this port to interfaces which connect to the Outside Plant OSP or to the OSP wiring The DSX 1 port is designed for use as an intra buildi...

Page 13: ...ted to 2 kft Total bridged tap length is limited to 2 5 kft The total length of multi gauge cable containing 26 AWG cable must not exceed the following 12 3 L26 9 LBTAP in kft Where L26 Total length of 26 AWG cable excluding bridged taps in kft LBTAP Total length of all bridged taps in kft This deployment criteria is summarized in the chart shown in Figure 2 Loop loss per kft for other wire is sum...

Page 14: ...E These approximations are to be used as guidelines only and may vary slightly on different loops Adhering to the guidelines should produce performance in excess of 10 7 BER Table 3 HDSL Loss Values 200 kHz cable loss in dB kft at 135 Ω Cable Gauge Cable Type Temperature 68 90 120 26 PIC 3 902 4 051 4 253 26 Pulp 4 030 4 179 4 381 24 PIC 2 863 2 957 3 083 24 Pulp 3 159 3 257 3 391 22 PIC 2 198 2 2...

Page 15: ...ter unpacking the 3192 HTU C inspect it for damage If damage has occurred file a claim with the carrier then contact ADTRAN Customer Service Refer to Appendix C Warranty for further information If possible keep the original shipping container for returning the 3192 HTU C for repair or for verification of shipping damage Shipping Contents The contents include the following items HDSL 3192 HTU C HDS...

Page 16: ... to fit in the lower and upper guide grooves for the module slot 3 Slide the 3192 HTU C into the module slot Simultaneous thumb pressure at the top above the DSL1 LED and at the bottom below the electrostatic caution symbol of the 3192 HTU C will ensure that it is firmly positioned against the backplane of the chassis When the 3192 HTU C first powers up it runs the power up self tests Once the pow...

Page 17: ...is present and synchronized with the HTU C interface Bipolar violation BPV frame bit error SF mode or CRC error ESF mode detected on received DSX signal ALM z z Off Yellow Red No alarm conditions exist Remote alarm condition HTU R detected Alarm condition detected either locally HTU C or both locally and remotely HTU C and HTU R ESF SF z z Off Green Yellow Unit is receiving or provisioned for unfr...

Page 18: ...on Settings Default DSX 1 Line Buildout 0 133 feet 133 266 feet 266 399 feet 399 533 feet 533 655 feet 0 133 feet DSX 1 DS1 Line Code B8ZS AMI B8ZS DSX 1 DS1 Framing Auto ESF SF Unframed Forced Conversion Auto NIU Loopback Enabled Disabled Enabled New England 1 6 LPBK Disabled Enabled Disabled Loopback Timeout None 60 Min 120 Min 120 Min Customer Loss Response AIS CDI Loopback AIS Latching Loopbac...

Page 19: ...or 3192 HTU C edge connector wiring The 3192 HTU C is capable of span powering the HTU R by applying simplex current to the local loop From 10 to 125 mA of current is coupled onto the HDSL span to power the HTU R and HRE when deployed Figure 3 3192 HTU C Edge Connector Wiring 1 2 3 4 5 6 7 8 9 10 A B C D E F H J K L R TX DSX In from DSX R1 RX DSX Out to DSX 48 VDC Return R1 HDSL Loop 2 48 V R HDSL...

Page 20: ...formed by the 3192 Alarm Module Refer to the 3192 Alarm Module documentation for further information Alarm conditions are not reported at the 3192 HTU C until the HDSL circuit is terminated by connecting an HTU R This allows circuit pre provisioning Once the 3192 HTU C is termi nated with an HTU R the 3192 HTU C goes into an in service state Table 8 3192 HTU C Alarm Connections Pin Label Function ...

Page 21: ...face operates at data rates from 1 2 kbps to 19 2 kbps The asynchronous data format is fixed at 8 data bits no parity and 1 stop bit The supported terminal type is VT 100 or compatible NOTE If using a personal computer PC with terminal emulation capability be sure to disable any power saving programs Otherwise communication between the PC and the HDSL unit may be disrupted resulting in misplaced c...

Page 22: ...he unit Read write Field A read write field displays information that when selected can be modified Hot Key A hot key is a key or combination of keys that are assigned to a function Hot keys are indicated by the required key s and a brief description that is Help Screen A screen is a display that usually indicates the end of a menu tree path A screen can contain the following objects Read only Fie...

Page 23: ...SF Second in which 1544 BPVs or 8 frame bit errors occurs ESF Second in which 1544 BPVs or 320 CRC errors occur HDSL Second in which 165 CRC errors occurs UAS Unavailable Seconds DSX DS1 Second in which there is a loss of signal or sync HDSL Second in which there is a loss of signal or sync SF Superframe Format ESF Extended Superframe Format B8ZS Binary 8 Zero Substitution AMI Alternate Mark Inver...

Page 24: ...tion was chosen in order to illustrate as much functionality as possible however other configurations are possible and their displays will vary slightly from those shown in this section Figure 6 Introductory Menu Screen Circuit ID HNTSVLALHDSL MM DD YY hh mm ss ADTRAN 901 Explorer Boulevard Huntsville Alabama 35806 2807 For Information or Technical Support Support Hours Normal 7am 7pm CST Emergenc...

Page 25: ...ays the Performance History Screen on page 23 3 ADTRAN Information This option displays the Introductory Menu Screen on page 16 4 Loopback Options This option displays the Loopback Options Screen on page 25 5 Self Test This option displays the Self Test Options Screen on page 26 6 Provisioning This option displays the Provisioning Screen on page 26 7 Troubleshooting This option displays the Troubl...

Page 26: ...option displays the Alarm History Screen on page 28 S Set Time Date Circuit ID This option displays the Set Time Date Circuit ID Screen on page 29 F Default Options This option displays the Default Options Screen on page 30 Table 10 HDSL Main Menu Options Continued Option Description Function ...

Page 27: ...nce The MIN and MAX registers can be reset by pressing X Circuit ID HNTSVLALHDSL MM DD YY hh mm ss LOOP 1 NETWORK LOOP 2 CURRENT SYSTEM STATUS LOOP 1 CUSTOMER LOOP 2 HTU C HTU R 29 29 dB 29 29 dB LOSS CUR MAX 29 29 dB 30 30 dB YES YES SYNC YES YES 000 00000 000 00000 ES 15M 24H 000 00000 000 00000 000 00000 000 00000 SES 15M 24H 000 00000 000 00000 000 00000 000 00000 UAS 15M 24H 000 00000 000 000...

Page 28: ...seconds 2 SES 15M 24H Severely errored seconds 2 UAS 15M 24H Unavailable seconds 2 1 LOSS is typically several dB less than the insertion loss measured at 200 kHz The LOSS measurement is a better indication of the loop s attenuation of the 2B1Q signal than the insertion loss measured at a single frequency ADTRAN HDSL can operate on cables with an excess of 30 dB LOSS 2 The first number is for the ...

Page 29: ...supports a bit error rate or better the 10 7 ADTRAN defined guidelines that correspond to the operation of the 3192 HTU C faceplate LEDs labeled LP1 and LP2 are listed in Table 14 Table 13 HDSL Loop Signal Quality Measure Signal Quality Noise Margin 0 Poor 0 dB 10 7 BER 1 3 Marginal above 10 7 BER in dB 4 Excellent 4 dB above 10 7 BER Table 14 ADTRAN Noise Margin Guidelines Margin LP1 LP2 LED Loop...

Page 30: ...9 dB 29 29 dB YES YES SYNC YES YES 000 00000 000 00000 ES 15M 24H 000 00000 000 00000 000 00000 000 00000 SES 15M 24H 000 00000 000 00000 000 00000 000 00000 UAS 15M 24H 000 00000 000 00000 LOOPBACK INACTIVE LOOPBACK INACTIVE HRE 1 NET SIGNAL QUALITY N NETWORK SIDE RECEIVER HRE 1 CUST SIGNAL QUALITY HRE 1 NET SIGNAL QUALITY N NETWORK SIDE RECEIVER HRE 1 CUST SIGNAL QUALITY C CUSTOMERSIDERECEIVER H...

Page 31: ... REGISTERS ES SES UAS ES SES UAS ES SES UAS 00000 00000 00000 CURRENT 000 000 000 12 31 14 30 000 000 898 10 30 000 000 000 12 30 14 15 000 000 001 10 15 000 000 000 12 29 14 00 000 000 006 10 00 000 000 000 12 28 13 45 000 000 000 9 45 000 000 000 12 27 PREVIOUS 13 30 000 000 000 9 30 000 000 000 12 26 13 15 000 000 000 9 15 000 000 000 12 25 13 00 000 000 000 9 00 000 000 000 12 45 000 000 000 8...

Page 32: ... DD YY hh mm ss 24 HOUR REGISTERS PERFORMANCE HISTORY 15 MINUTE REGISTERS ES SES UAS ES SES UAS ES SES UAS 00000 00000 00000 CURRENT 000 000 000 01 01 22 00 18 00 12 31 21 45 17 45 12 30 21 30 17 30 12 29 21 15 17 15 12 28 PREVIOUS 21 00 17 00 12 27 20 45 16 45 12 26 20 30 16 30 20 15 16 15 VIEW 1 HRE 1 NETWORK LP1 20 00 16 00 19 45 15 45 H 1 H 2 H H 19 30 15 30 T R R T 19 15 15 15 U E E U 19 00 1...

Page 33: ...__ _____ HTU C HRE 1 HRE 2 HTU R LP1 LP1 LP1 NET CUST LP2 LP2 LP2 _____ _____ _____ _____ 1 LOOPBACK TO NETWORK AT HTU C INACTIVE 2 LOOPBACK TO CUSTOMER AT HTU C INACTIVE 3 LOOPBACK TO NETWORK AT HTU R INACTIVE 4 LOOPBACK TO CUSTOMER AT HTU R INACTIVE 5 LOOPBACK TO NETWORK AT HRE 1 INACTIVE 6 LOOPBACK TO CUSTOMER AT HRE 1 INACTIVE 7 LOOPBACK TO NETWORK AT HRE 2 INACTIVE 8 LOOPBACK TO CUSTOMER AT H...

Page 34: ...HNTSVLALHDSL MM DD YY hh mm ss SELF TEST Press S to initiate HTU C and HTU R self tests Press M to return to the Main Menu CIRCUIT ID MM DD YY hh mm ss PROVISIONING A DSX 1 LINE BUILDOUT 0 133 FEET B DSX 1 DS1 LINE CODE B8ZS C DSX 1 DS1 FRAMING AUTO D NIU LOOPBACK ENABLED E NEW ENGLAND 1 6 LPBK DISABLED F LOOPBACK TIMEOUT 120 MIN G CUSTOMER LOSS RESPONSE AIS H LATCHING LOOPBACK MODE T1 I PRM MODE ...

Page 35: ...lly predict where a fault is located Once a fault location is suspected the corresponding portion of the circuit on the screen is highlighted and a message describing the failure appears Figure 15 Troubleshooting Display Screen Circuit ID HNTSVLALHDSL MM DD YY hh mm ss TROUBLESHOOTING DISPLAY _____ _____ _____ _____ HTU C HRE 1 HRE 2 HTU R 1 1 1 NET DSX 1 CUST DS1 2 2 2 _____ _____ _____ _____ NO ...

Page 36: ...last time date current status and count Figure 16 Alarm History Screen Circuit ID HNTSVLALHDSL MM DD YY hh mm ss T1 Alarm History LOCATION ALARM FIRST LAST CURRENT COUNT HTU C RED LOS OK 000 DSX 1 YELLOW OK 000 BLUE AIS OK 000 HTU R RED LOS OK 000 DS1 YELLOW OK 000 BLUE AIS OK 000 HDSL Span History SPAN 1 LP1 HLOS OK 000 LP2 HLOS OK 000 HTU C LP1 MRGN OK 000 LP2 MRGN OK 000 HRE 1 LP1 MRGN OK 000 L...

Page 37: ...as military time for example enter 3 15 p m as 15 15 00 Enter the date parameters in MM DD YY format Enter the Circuit ID as a 25 character alphanumeric string Figure 17 Set Time Date Circuit ID Screen Circuit ID HNTSVLALHDSL MM DD YY hh mm ss SET TIME DATE CIRCUIT ID 1 SET TIME 2 SET DATE 3 SET CIRCUIT ID Choose an option by pressing the corresponding number Press M to return to Main Menu ...

Page 38: ...s RESET PROVISIONING OPTIONS TO FACTORY DEFAULTS This screen will allow you to reset the provisioning of this HDSL circuit back to the factory defaults If you do this the options as shown on the provisioning screen will change to the values that were programmed into this unit from the factory After defaulting the options you can always make changes to the options from the provisioning screen Press...

Page 39: ...blems that may occur at installation or during operation of the HDSL system The following paragraphs describe additional testing features 3192 HTU C DSX Bantam Jacks The front panel of the 3192 HTU C contains metallic splitting bantam jacks for both nonintrusive monitoring and intrusive terminating DSX 1 test access Refer to Figure 19 for details for spe cific jacks Figure 19 3192 HTU C Bantam Jac...

Page 40: ...loopback condition imposed in both cases is a logic level loopback at the point within the 3192 HTU C where the DSX 1 signal passes into the HDSL modulators Figure 20 depicts all the loopback locations possible with ADTRAN HDSL equipment In addition to network side loopbacks the 3192 HTU C provides customer side loopbacks initiated by using the terminal control port In this mode an AIS signal is s...

Page 41: ...HRE Network Side Loopback X Signal Inactive HRE 2 Network Side Loopback HRE 2 Customer Side Loopback HTU R Bilateral Loopback LOCAL LOOP DS1 AIS HTU C HTU R DS1 AIS DSX 1 HTU C HTU R HRE 1 HRE 2 X X DS1 AIS HTU C HTU R HRE 1 HRE 2 X DS1 AIS HTU C HTU R HRE X DSX 1 DS1 AIS HTU C HTU R HRE X LOCAL LOOP DS1 AIS HTU C HTU R X LOCAL LOOP DS1 AIS HTU C HTU R X DSX 1 LOCAL LOOP DS1 HTU C HTU RX DSX 1 LOC...

Page 42: ...RAN does not recommend that repairs be performed in the field Repair services may be obtained by returning the defective 3192 HTU C to the ADTRAN Customer Service RMA Department Table 15 3192 HTU C Troubleshooting Guide Condition Solution Front panel indicator is off 1 Verify that 48 VDC power is properly connected to the shelf 2 Inspect the fuse F1 and verify that it is not blown 3 Insert the 319...

Page 43: ... Loss 2B1Q Full Duplex Echo Cancelling Two 784 kbps per pair 392 k baud per pair Defined by CSA Guidelines 35 dB maximum at 196 kHz Single Taps 2000 feet Total Taps 2500 feet Compliant with Bellcore TA NWT 001210 13 5 dBm 135 ohms 20 dB 40 kHz to 200 kHz Network Interface 4 WIRE DSX 1 DSX 1 Output Level DSX 1 Line Build Out DSX 1 Line Code DSX 1 Format DSX 1 Channelization 0 dB 0 133 feet 133 266 ...

Page 44: ...ot field replaceable Clock Clock Sources Internal Clock Accuracy Internal DSX 1 Derived 25 ppm exceeds Stratum 4 Meets T1 101 timing requirements Tests Diagnostics Self Test Loopbacks Local HTU C Remote HTU R HRE Physical Mounting CI Wescom Office Repeater Shelf Mounted Dimensions Weight Height 4 75 inches Width 0 69 inches Depth 10 5 inches Less than 1 pound Environment Temperature Operating Stan...

Page 45: ...ard the network HTU R Loopback A regenerative loopback of the DS1 signal toward the network This loopback is in addition to a separate Smartjack loopback Separate activation sequences are provided for the HTU R and the Smartjack loopback initiation HRE Loopback A regenerative loopback of the HDSL signal toward the network Upon deactivation of a loopback the HDSL system synchronizes automatically N...

Page 46: ...agram shown in Figure A 2 The four states are disarmed loop up armed and loop up time out disable Figure A 2 HDSL Element State Diagram State transitions result from in band and ESF Data Link sequences as well as timeout operations The sequences and timeout values are as follows Arming Sequence in band and ESF Activation Sequence Deactivation Sequence Disarming Sequence in band and ESF Loop up Tim...

Page 47: ...enabled Activation HTU C 1101 0011 1101 0011 Signal sent in band HDSL elements in armed state make transition to loop up state Loop up state time out is programmable from the HTU C Sends 231 bit errors every 20 seconds Arm Source Network 100000 1 in 6 Signal sent in band HDSL elements in disarmed state transition to armed state Detection of the code results in an HTUR network loopback if New Engla...

Page 48: ...stomer 1100 0111 0100 0001 C741 Signal sent in band HRE 1 loops back the T1 data to the source direction Sends 10 bit errors every 20 seconds Activation HRE 2 Source Network or Customer 1100 0111 0101 0100 C754 Signal sent in band HRE 2 loops back the T1 data to the source direction Sends 200 bit errors every 20 seconds Query All Elements Source Network 1101 0101 1101 0101 D5D5 Signal sent in band...

Page 49: ...ADTRAN HDSL system blocks this information from reaching the remote end of the circuit This forces information in those DS0 channels to be an all 1s idle code The result of this blocking is that the CRC checksum delivered to the remote end will not match the checksum calculated by the remote T1 CSU This implies errors are being made on the loop when actually the blocking function created the CRC e...

Page 50: ...HDSL3192 HTU C Installation and Maintenance Practice B 2 61247004L1 5A This page is intentionally blank ...

Page 51: ...es 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 ...

Page 52: ...Carrier Networks Division 901 Explorer Blvd Huntsville AL 35806 ...

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