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Menu Descriptions

61247026L1-5A

23

Loopbacks Options Menu

The Loopback Options menu, illustrated in

, displays and allows the changing of

loopback settings throughout the HDSL circuit.

Figure 10. Loopback Options Screen

Circuit ID:HNTSVLALHDSL MM/DD/YY hh:mm:ss

LOOPBACK OPTIONS

             _____                _____                _____
             |HTU-C|             |HRE 1|             |HTU-R|
             |    |      LP1    |    |     LP1     |    |
         --->|-----|<============>|-----|<============>|-----|<--
             |    |             |    |             |    |
         NET |    |             |    |             |    | CUST
             |    |      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 = UNAVAILABLE
               6) LOOPBACK TO CUSTOMER AT HRE-1 = UNAVAILABLE

Press corresponding number to toggle loopback option.

Press “M” to return to the Main Menu

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Содержание 1247026L1

Страница 1: ...HDSL T200 HTU R Span Powered 60 mA Installation and Maintenance Practice Document Number 61247026L1 5A CLEI T1I3AAVA_ _ April 2008...

Страница 2: ...this 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 sp...

Страница 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 indica...

Страница 4: ...views on 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 facili...

Страница 5: ...12 Menus 12 Screen 12 Menu Navigation 12 Screen Abbreviations 13 Menu Descriptions 14 HDSL Main Menu 15 Current System Status Screen 17 Current System Status HRE Screen 20 Performance History Screen...

Страница 6: ...T200 HTU R SP 60 mA Front Panel 1 Figure 2 HDSL Deployment Guidelines 5 Figure 3 RS 232 DB9 Pin Assignments 11 Figure 4 Introductory Menu Screen 14 Figure 5 HDSL Main Menu 15 Figure 6 Current System...

Страница 7: ...visioning Defaults 9 Table 7 Card Edge Pin Assignments 10 Table 8 Screen Abbreviations 13 Table 9 HDSL Main Menu Options 15 Table 10 HDSL DS1 and DSX 1 Key Definitions 18 Table 11 Pair Reversal Key De...

Страница 8: ...HDSL T200 HTU R Span Powered 60 mA Installation and Maintenance Practice viii 61247026L1 5A This page is intentionally blank...

Страница 9: ...INTRODUCTION This practice is an installation and maintenance guide for the ADTRAN T200 HTU R Span Powered 60 mA T200 HTU R SP 60 mA Figure 1 illustrates the T200 HTU R SP 60 mA P N 1247026L1 front p...

Страница 10: ...operates as two independent subsystems each operating over a single twisted pair The T200 HTU R SP 60 mA communicates over these two twisted pairs to the HTU C located at the CO Each subsystem carrie...

Страница 11: ...he T200 HTU R SP 60 mA in the appropriate chassis which is intended to be installed only in Restricted Access Locations by qualified personnel The compliance codes for the T200 HTU R SP 60 mA are list...

Страница 12: ...48 VR and frame ground the system would be intended for deployment only in a DC C installation NOTE The HDSL port is classified as Type 3 and 5 as defined in Appendix B of GR 1089 CORE Issue 4 and me...

Страница 13: ...ed 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...

Страница 14: ...se 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 kH...

Страница 15: ...following items T200 HTU R Span Powered 60 mA HDSL T200 HTU R Local Powered 60 mA Job Aid P N 61247026L1 22 HDSL T200 HTU R Local Powered 60 mA Compliance Notice P N 61247026L1 17 DS1 NIU 60 mA Curre...

Страница 16: ...chronization Good signal quality 4 Marginal signal quality 1 to 3 Poor signal quality 0 Error detected at HTU C or HTU R The color when flashing indicates loop signal quality as shown above DS1 z 2 Of...

Страница 17: ...133 feet DSX 1 DS1 Line Code B8ZS AMI B8ZS DSX 1 DS1 Framing AUTO UNF Forced Conversion ESF SF AUTO NIU Loopback Enabled Disabled Enabled New England 1 6 LPBK Enabled Disabled Disabled Loopback Timeou...

Страница 18: ...tions are made through the enclosure backplanes Table 7 Card Edge Pin Assignments Pin Designation Description 1 CH GND Chassis ground 5 DS1 T1 DS1 receive out tip to customer interface 7 H1 T HDSL Loo...

Страница 19: ...e operates at data rates from 1 2 kbps to 19 2 kbps The asynchronous data format is fixed at 8 data bits no parity 1 stop bit and no flow control The supported terminal type is VT100 or compatible NOT...

Страница 20: ...updated by the 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 k...

Страница 21: ...F 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 whic...

Страница 22: ...mA a HTU C and one HRE This sample configuration was chosen in order to illustrate as much functionality as possible however other configurations are possible and their displays will vary slightly fr...

Страница 23: ...the Performance History Screen on page 21 3 ADTRAN Information This option displays the Introductory Menu Screen on page 14 4 Loopback Options This option displays the Loopback Options Screen on page...

Страница 24: ...story This option displays the Alarm History Screen on page 27 S Set Time Date Circuit ID This option displays the Set Time Date Circuit ID Screen on page 28 R Terminal Modes This option displays the...

Страница 25: ...S1 interfaces A key to the information provided is found in the center of the screen and defined in Table 10 below Arrows indicate the key applies to both the T200 HTU R SP 60 mA and the HTU C Circuit...

Страница 26: ...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...

Страница 27: ...a bit error rate of 10 7 or better ADTRAN defined guidelines that correspond to the operation of the T200 HTU R SP 60 mA front panel LEDs labeled DSL1 and DSL2 are illustrated in Table 13 Table 12 HDS...

Страница 28: ...ORK LOOP 2 CURRENT SYSTEM STATUS LOOP 1 CUSTOMER LOOP 2 HRE 1 HRE 1 27 27 dB 28 28 dB LOSS CUR MAX 29 29 dB 29 29 dB YES YES SYNC YES YES 000 00000 000 00000 ES 15M 24H 000 00000 000 00000 000 00000 0...

Страница 29: ...e 24 hour perfor mance data register also accessed from the Performance History screen Figure 8 Performance History Screen Circuit ID HNTSVLALHDSL MM DD YY hh mm ss 24 HOUR REGISTERS PERFORMANCE HISTO...

Страница 30: ...HRE Screen Circuit ID HNTSVLALHDSL MM DD YY hh mm ss 24 HOUR REGISTERS PERFORMANCE HISTORY 15 MINUTE REGISTERS ES SES ES SES ES SES 00000 00000 CURRENT 000 000 01 31 11 15 000 000 07 15 01 30 11 00 07...

Страница 31: ...M DD YY hh mm ss LOOPBACK OPTIONS _____ _____ _____ HTU C HRE 1 HTU R LP1 LP1 NET CUST LP2 LP2 _____ _____ _____ 1 LOOPBACK TO NETWORK AT HTU C INACTIVE 2 LOOPBACK TO CUSTOMER AT HTU C INACTIVE 3 LOOP...

Страница 32: ...en The Self Test Option screen illustrated in Figure 11 allows the initiation of self tests of the T200 HTU R SP 60 mA and HTU C by pressing S Figure 11 Self Test Options Screen Circuit ID HNTSVLALHDS...

Страница 33: ...X 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 LATCHI...

Страница 34: ...blue alarm conditions in the circuit to automatically predict where a fault is located Once a fault location is suspected the corre sponding portion of the circuit on the screen is highlighted and a...

Страница 35: ...LHDSL MM DD YY hh mm ss T1 Alarm History LOCATION ALARM FIRST LAST CURRENT COUNT HTU C RED LOS 11 13 11 05 30 03 11 13 11 05 30 03 Alarm 001 DSX 1 YELLOW OK 000 BLUE AIS OK 000 HTU R RED LOS 11 13 11...

Страница 36: ...ID for the HDSL circuit Enter the time parameters 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 alphanumer...

Страница 37: ...s real time updating of HDSL circuit conditions and provisioning options as changes occur While in Real Time Update mode the unit is anticipating baud poll responses from the terminal If a terminal re...

Страница 38: ...he front panel mounted RS 232 Control Port These features are valuable in troubleshooting and isolating any system level problems that may occur at installation or during operation of the HDSL system...

Страница 39: ...ted using the terminal NOTE When the 11000 in band code is used to loop the T200 HTU R SP 60 mA the T200 HTU R SP 60 mA will re enter armed state upon loopback timeout or upon terminal deactivation Se...

Страница 40: ...ck HTU C LOCAL LOOP HTU R X DS1 AIS HTU C Network Side Loopback DSX 1 HTU C LOCAL LOOP HTU R DS1 X AIS HRE Network Side Loopback HTU C HTU R DS1 DSX 1 HRE AIS X HRE Customer Side Loopback X DS1 AIS HT...

Страница 41: ...the loops if line powered The HTU C should apply approximately 190 VDC between loops A minimum of approximately 85 V should be present between the HDSL loops at the T200 HTU R SP 60 mA 3 If steps 1 a...

Страница 42: ...ancelling Two 784 kbps per pair 392K baud per pair Defined by Carrier Service Area Guidelines 36 dB maximum at 200 kHz Single taps 2kFt Total taps 2 5 kFt Compliant with Bellcore TA NWT 001210 20 dB 4...

Страница 43: ...command Initiated manually HTU R control port Self Test Physical Dimensions Weight Height 5 5 inches Width 1 4 inches Depth 6 0 inches 1 pound Environment Temperature Relative Humidity Operating Stan...

Страница 44: ...HDSL T200 HTU R Span Powered 60 mA Installation and Maintenance Practice 36 61247026L1 5A This page is intentionally blank...

Страница 45: ...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 HT...

Страница 46: ...ate diagram 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 se...

Страница 47: ...ed Activation HTU C 1101 0011 1101 0011 D3D3 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 error...

Страница 48: ...ork or Customer 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...

Страница 49: ...s 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 Assistan...

Страница 50: ...Carrier Networks Division 901 Explorer Blvd Huntsville AL 35806 USA...

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