ADC 150-2450-55 Technical Practice Download

Page: 38 / 52

Loopback Operation

LTPH-TP-1047-01, Issue 1

March 12, 2001

H2TU-R-402 List 5E

Figure 24.

Loopback Modes

All ones

HDSL2 SPAN

C742

‡

All ones

HDSL2 SPAN

D3D3

‡

HLU

CREM

HRU-412

5 IN 7

CLOC

HRU-412

HDSL2 SPAN

HLU

HRU-412

5 IN 7

CLOC

HRU-412

5 IN 7

CLOC

HRU-412

5 IN 7

CLOC

HRU-412

CLOC

All ones

HLU

D3D3

‡

NLOC

HRU-412

HDSL2 SPAN

HLU

HRU-412

3 in 7

NREM

HRU-412

HDSL2 SPAN

HLU

HRU-412

C742

‡

11000

2-in-5

H2TU-C

NREM*

SMJK*

TLOS*

LOGIC

Loopbacks Toward Customer

Loopbacks Toward Network

* Set the NLBP option to AIS to send AIS (indicated by an all ones pattern) for any network loopback.

H2TU-R

All ones

H2TU-C

FF02

1110000

3-in-7

FF1E

1111000

3F1E

6-in-7

1111110

3F02

1111100

5-in-7

✝

A3LB and A4LB loopback codes.

‡ A2LB loopback code.

4-in-7

GNLB loopback codes.

1-in-6

10000

Summary of Contents for 150-2450-55

Page 1: ...HiGain HiGain TECHNICAL PRACTICE ALM L ESF SF LOOP B8ZS AMI LBK D S 1 IN BRG OUT RS 232 DCE H D S L 2 H 2 T U R 4 0 2 HiGain 5E H2TU R 402 List 5E Remote Unit Product 150 2450 55 CLEI VARH1U8G...

Page 2: ...on purposes only and may be trademarks or registered trademarks of their respective companies Disclaimer of Liability Information contained in this document is company private to ADC DSL Systems Inc a...

Page 3: ...ach container and inspect the contents for signs of damage If the equipment has been damaged in transit immediately report the extent of damage to the transportation company and to ADC DSL Systems Inc...

Page 4: ...Inspecting Shipment LTPH TP 1047 01 Issue 1 iv March 12 2001 H2TU R 402 List 5E...

Page 5: ...____________________________ 11 Using the Monitor Screen to View System Activity 11 Using the Performance Screens to View Performance Data 13 Performance History at the DS1 Interface 13 Performance Hi...

Page 6: ...ix C Compatibility____________________________________________________________ 38 Appendix D Product Support _________________________________________________________ 39 Technical Support 39 Returns 3...

Page 7: ...Performance History 15 11 H2TU C DS1 25 Hour Performance History 16 12 H2TU R DS1 Current Statistics 16 13 H2TU R HDSL2 31 Day Performance History 18 14 H2TU R HDSL2 48 Hour Performance History 18 15...

Page 8: ...History Screens 17 6 Error Acronyms Used on the HDSL2 Performance History Screens 20 7 H2TU R DS1 Alarm Descriptions 21 8 H2TU R HDSL2 Alarm Descriptions 23 9 Event Log Messages 24 10 Report Types 26...

Page 9: ...enu option for downloading status and performance monitoring data to a file Enhanced loopback commands controlled by the LBK option that support 100 inband loopdown command 100000 one in six inband SM...

Page 10: ...High Capacity Digital Service HCDS over a single copper pair HiGain systems support a multitude of network connections and system models see Figure 1 on page 3 The service is deployed over one uncondi...

Page 11: ...ics OEM DS3 DSX 1 STS 1 OC3 OC1 DS3 DSX 1 DSX 1 DSX 1 DSX 1 DS1 DS1 10BASE T S E L M O D E SE TUP STAT US R S 2 3 2 HDSL2 HiGa in H 2 T U C 3 1 9 H D S L 2 R C V X M T B R G B R G L I N E S E L M O D...

Page 12: ...of the H2TU R card edge connector and craft port refer to Appendix A Specifications on page 34 Figure 2 H2TU R 402 List 5E Front Panel ALM L ESF SF LOOP B8ZS AMI LBK H 2 T U R 4 0 2 D S 1 IN BRG OUT R...

Page 13: ...Indicates that the DS1 line code option is set to Bipolar with 8 Zero Substitution B8ZS The LED blinks once per second when a string of excessive zeros is detected AMI LED Steady green Indicates that...

Page 14: ...e card edge connector 2 Place your thumbs on the front panel and push the H2TU R into the card edge connector Wear an antistatic wrist strap when installing the H2TU R Avoid touching components on the...

Page 15: ...t 1 Verify that the H2TU R powers up The front panel ALM LED is a steady red The LOOP LED is flashing green If receiving a DS1 signal one of the DS1 framing LEDs ESF or SF and one of the DS1 line code...

Page 16: ...minal 4 Configure the maintenance terminal to the following communication settings 9600 baud No parity 8 data bits 1 stop bit Hardware flow control to OFF 5 If necessary press to refresh the HiGain HD...

Page 17: ...ory Provides product information about the various devices that are in the system and lists circuit and device identifications Rlogon Rlogout Remote log on can be performed from the H2TU R or H2TU C T...

Page 18: ...lections Activate the current setting or choice or display a menu or VT100 Return to the parent menu or Select the submenu or item above the current one or return to the previous menu or Select the su...

Page 19: ...ormal situations are highlighted on the diagram See Table 4 on page 12 for screen field descriptions Figure 5 Monitor Screen Active Loopback with Alarms 2 To initiate a loopback press the to cycle tho...

Page 20: ...rrored Seconds The number of 1 second intervals that contain at least 50 CRC errors or one or more LOSW defects An LOSW defect occurs when at least three consecutive HDSL frames contain one or more fr...

Page 21: ...hour 25 hour and current statistics screens for the H2TU R and the H2TU C Table 5 on page 17 describes the kinds of errors reported for these screens Figure 6 H2TU R DS1 31 Day Performance History Pe...

Page 22: ...ious Page C l ear History Press Space to cycle through Interface H2TU C Ds1 choices and Enter to view Statistics 31 Day History ID xxxx xxxx xxxx xxxx 02 02 2001 12 30 01 H2TU R System OK ___ Monitor...

Page 23: ...revious Page C l ear History Use Space to cycle through Interface H2TU C DS1 choices and Enter to view Statistics 48 Hour History ID xxxx xxxx xxxx xxxx 02 02 2001 12 30 01 H2TU C System OK___ Monitor...

Page 24: ...ge C l ear History Press Space to cycle through Interface H2TU C Ds1 choices and Enter to view Statistics 25 Hour History ID xxxx xxxx xxxx xxxx 02 02 2001 12 30 01 H2TU R System OK ___ Monitor Perfor...

Page 25: ...nce Report Monitoring Near End The PRM from CPE indicates errors and the signal received from the network at the remote is error free CV L Code Violation Line Total BPV count PRM FE a Performance Repo...

Page 26: ...istory Page 1 of 3 Date ES SES UAS CV LOSWS 04 03 04 04 04 05 04 06 04 07 04 08 04 09 04 10 04 11 04 12 04 13 04 14 04 15 14 10 14 10 10 Press N ext Page P revious Page C l ear History Press Space to...

Page 27: ...s N ext Page P revious Page C l ear History Press Space to cycle through Interface H2TU R HDSL2 choices and Enter to view Statistics 25 Hour History ID xxxx xxxx xxxx xxxx 02 02 2001 12 30 01 H2TU R S...

Page 28: ...U R are described in Table 7 on page 21 Figure 17 H2TU R DS1 Alarm History Screen Table 6 Error Acronyms Used on the HDSL2 Performance History Screens Error Acronym Description ES Errored seconds Seco...

Page 29: ...yellow alarm from the CPE the H2TU R sends a RAI CI towards the network if the network signal received at the H2TU R is clear If the network signal is impaired LOS AIS or LOF then the RAI is passed on...

Page 30: ...HDSL2 Alarm History Alarm First Last Status Count LOSW 03 16 00 00 00 02 02 2001 00 45 ALARM 12 LA OK 0 HBER 03 16 00 00 37 02 02 2001 00 45 OK 7 Press C l ear Alarm History Press Space to cycle throu...

Page 31: ...s exceeded the maximum value set for the HDSL2 loop attenuation threshold HBER HBER Block Error Rate The HDSL2 BER has exceeded the set threshold limits of 10 6 or 10 7 E N P T L Monitor Performance E...

Page 32: ...e on CPE receive Current statistics reset Event Log reset H2TU C Power up down H2TU R Power up down HDSL2 DC pair open begins ends on any segment HDSL2 Ground fault begins ends on any segment HDSL2 HB...

Page 33: ...al report do the following 1 Press to select Report menu 2 Press the to select a report 3 Use your terminal emulation software HyperTerminal or Procomm to capture the selected report to your printer o...

Page 34: ...t information System configuration Current performance statistics Alarm history Performance history System event log Short Report Product information System configuration Current performance statistic...

Page 35: ...ode into the test set connected to the craft port of the H2TU C or H2TU R Generic Loopback Commands The HiGain Generic Loopback GNLB commands allow you to use inband codes to loop up either NLOC 4 in...

Page 36: ...X SMJK LpDn PL 11100 3 in 5 SmartJack Loopdown or NID payload PL code Removes SMJK NLOC NREM CLOC and CREM X SMJK LpDn ESF DL 1111 1111 0010 0100 SmartJack Loopdown or NID ESF DL code Removes SMJK NLO...

Page 37: ...ing Block the arming code after 2 seconds from exiting the H2TU C into the network and replace it with the AIS code Unblock the AIS code by executing the Far End Activate code A3LB and A4LB are now id...

Page 38: ...RU 412 HDSL2 SPAN HLU HLU HLU HRU 412 HRU 412 3 in 7 NREM HRU 412 HRU 412 HRU 412 HRU 412 HDSL2 SPAN HDSL2 SPAN HLU HLU HLU HLU HLU HLU HRU 412 HRU 412 HRU 412 HRU 412 HRU 412 HRU 412 C742 11000 2 in...

Page 39: ...ode 1111 1111 0100 1000 FF48 IR LPDN or DISARM inband Disarming code 11100 11100 IR LPDN or DISARM ESF Datalink Disarming code 1111 1111 0010 0100 FF24 IOR LPBK NLOC and CREM 230 232 bit errors 229 23...

Page 40: ...a loopback then the automatic timed expiration of the loopback is inhibited If this Time Out Override is sent then the only way to loop the H2TU R down is to do one of the following Issue the IR loopd...

Page 41: ...tiated by any of the three SmartJack loopup commands listed in Table 14 NREM on the other hand is initiated by the 3 in 7 inband command or by a command issued from the maintenance terminal The SmartJ...

Page 42: ...odulation Transmission with Interlocking Spectra OPTIS Transmission Full duplex Media One non loaded copper two wire cable pair Output 16 5 dBm 0 5 dB at 135 0 350 kHz at remote side 16 8 dBm 0 5 dB a...

Page 43: ...Cable Attenuation Chart Cable Gauge Loss at 196 kHz dB kft per kft 26 0 4 mm 3 88 83 24 0 51 mm 2 84 52 22 0 61 mm 2 18 32 19 0 91 mm 1 54 16 27 25 23 21 19 17 15 13 11 9 7 3 5 1 Tip Ring Factoryuseo...

Page 44: ...ovides a resistive termination at its HDSL2 port This termination will sink 10 mA of sealing current when connected to a compatible line unit Table 16 lists the effect that various combinations of plu...

Page 45: ...R 402 List 5E power supply converts the 185 Vdc power that is received over the HDSL2 span to voltage and currents required by the remote unit circuitry In addition it can be powered by a 48 V local...

Page 46: ...plies with GR 63 CORE TR TSY 000499 and GR 1089 CORE The H2TU R 402 List 5E is compatible with the following shelves for indoor use HRE 206 six slot HRE 204 four slot HRE 420 single slot HRE 425 12 sl...

Page 47: ...orization number you need to provide the original purchase order number to ADC s Return Material Authorization RMA Department 2 Call or write ADC s RMA Department to ask for an RMA number and any addi...

Page 48: ...ireline Systems Division address and the RMA number you received from Customer Service clearly on the outside of the carton and return to ADC Wireline Systems Division 14352 Franklin Ave Tustin CA 927...

Page 49: ...c Discharge ESF Extended SuperFrame EXZ The occurrence of 8 consecutive zeroes for B8ZS or 16 for AMI F FCON Framed Conversion of DS1 frame G GNLB Generic Loopback H HCDS High Capacity Digital Service...

Page 50: ...List of Abbreviations LTPH TP 1047 01 Issue 1 42 March 12 2001 H2TU R 402 List 5E S SES Severely Errored Seconds SF SuperFrame SMJK SmartJack SPLB Special Loopback SPRM Supplemental Performance Report...

Page 51: ...n which software is stored will be free from material defects under normal use ADC will replace defective media at no charge if it is returned to ADC during the 30 day warranty period along with proof...

Page 52: ...ication Inc Certificated Firm ADC DSL Systems Inc 14402 Franklin Avenue Tustin CA 92780 7013 Tel 714 832 9922 Fax 714 832 9924 Technical Assistance 800 638 0031 714 730 3222 DOCUMENT LTPH TP 1047 01 I...

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