1. Manuals
  2. Brands
  3. Agilent Technologies Manuals
  4. Measuring Instruments
  5. OmniBER OTN Series
  6. Performance verification manual

Agilent Technologies OmniBER OTN Series Performance Verification Manual

Communications performance analyzer
Hide thumbs Also See for OmniBER OTN Series:
Table of Contents

Advertisement

Quick Links

Download this manual
Agilent Technologies OmniBER OTN Series Performance Verification Manual

Advertisement

Table of Contents
loading

Related Manuals for Agilent Technologies OmniBER OTN Series

Summary of Contents for Agilent Technologies OmniBER OTN Series

  • Page 1 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...
  • Page 2 Agilent OmniBER OTN Family OmniBER OTN communications performance analyzer Verification Manual vcat vcat lcas front.p65 08/01/2004, 09:30 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 3 sdh_Lynx2.book Page 148 Wednesday, April 17, 2002 12:49 PM Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 4 Verification.book Page 1 Monday, January 19, 2004 1:40 PM Agilent OmniBER Family OmniBER OTN J7230B & J7232A Models Verification Manual Agilent Technologies Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 5: Safety Notices

    It calls attention to an operat- ity and fitness for a particular purpose. ing procedure, practice, or the like Agilent Technologies shall not be liable for errors or for incidental or consequential that, if not correctly performed or damages in connection with the furnish-...
  • Page 6 Verification.book Page 3 Monday, January 19, 2004 1:40 PM In This Manual… You will find information for verifying the performance of your instrument Performance Tests This chapter details the procedures to test the performance of the instrument and provides a test record table to record the results of the tests.
  • Page 7 Verification.book Page 4 Monday, January 19, 2004 1:40 PM Conventions Used in this Manual The conventions used in this manual to illustrate instrument keys and display information are as follows: <Menu> This is an example of a hardkey. Hardkeys (located to the right of the display) are used to give access to different sets of instrument settings, or select dedicated instrument functions.

  • Page 8: Table Of Contents

    Verification.book Page 5 Monday, January 19, 2004 1:40 PM Contents Performance Tests Introduction Recommended Test Equipment Self Test Loopback Cables and Accessories Recall Default Settings Performance Self Test Description of the Performance Self Test Loopback Connections Required for Self Test How to run the Self Test What to do if the Self Test fails Internal Reference Clock Accuracy...
  • Page 9 Verification.book Page 6 Monday, January 19, 2004 1:40 PM 9.95 Gb/s and 10.71 Gb/s Optical Output Checks (J7230B and J7232A Opt 108 Only) Optical Receiver Sensitivity, Optical Power and Frequency Measurement Electrical Pulse Mask and Output Level Characteristics (Option 012 Only) Performance Test Record Self Test Overview...
  • Page 10 External Clock Reference Inputs and Clock Reference Output Optical Pulse Mask and Output Characteristics Optical Receiver Sensitivity, Optical Power and Frequency Measurement Optical Transmit/Receive Jitter Accuracy Performance Test Record Agilent Technologies Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 11: Introduction

    Verification.book Page 8 Monday, January 19, 2004 1:40 PM Performance Tests Introduction The procedures given in this section test the performance of the Agilent J7230B or J7232A OmniBER OTN models using the instrument specifications for test accuracy limits. The tests are intended to be performed in the recommended order for a full instrument calibration check.

  • Page 12: Recommended Test Equipment

    Verification.book Page 9 Monday, January 19, 2004 1:40 PM Performance Tests Recommended Test Equipment Instrument Critical Specification Recommended Model High Speed Optical Oscilloscope Mainframe 86100A Oscilloscope 3 GHz Opt/Elect Module with STM-1/4 Filter 86103A option 201 20 GHz Opt/Elect Module with STM-16/64 Filter. 86105A option 202 Frequency Counter Range 0 to 200 MHz, accuracy <0.1 ppm.

  • Page 13: Self Test Loopback Cables And Accessories

    Verification.book Page 10 Monday, January 19, 2004 1:40 PM Performance Tests Self Test Loopback Cables and Accessories • 1005-0337 1m fiber optic patchcord FC/PC connectors. • 1005-1148 10 dB optical attenuator FC/PC. • 1005-0433 15 dB optical attenuator FC/PC. • 15525A 75 ohm BNC cable, 2 off. •...

  • Page 14: Recall Default Settings

    Verification.book Page 11 Monday, January 19, 2004 1:40 PM Performance Tests Recall Default Settings The performance tests require the OmniBER OTN to be set to a pre-defined (default) state at the beginning of each test. 1 Press <Menu>, choose System > Stored Settings then press <Select>.

  • Page 15: Performance Self Test

    Verification.book Page 12 Monday, January 19, 2004 1:40 PM Performance Tests Performance Self Test Part of the instrument self test is used for the performance tests. This provides a high degree of confidence that the relevant measurement hardware is operating correctly in advance of completing the performance tests.

  • Page 16: Loopback Connections Required For Self Test

    Verification.book Page 13 Monday, January 19, 2004 1:40 PM Performance Tests Loopback Connections Required for Self Test The confidence test verifies all the optical and electrical (instruments with Option 012 only) test ports on the unit therefore loopback connections are required on the instrument. The following loopback connections are required (see Figure 1 on page 14).
  • Page 17 Verification.book Page 14 Monday, January 19, 2004 1:40 PM Performance Tests Unbalanced Electrical Connections PDH/DSn 2-140 Mb/s and DS3 (Instruments with Option 012 only) Use BNC cable P/N 15525A • Connect 2-140 Mb/s DS3 Out (BNC) <> 2-140 Mb/s DS3 In (BNC) Balanced Electrical Connections 2M/DS1 (Instruments with Option 012 only.)

  • Page 18: How To Run The Self Test

    Verification.book Page 15 Monday, January 19, 2004 1:40 PM Performance Tests Where dual wavelength optical transmitters fitted the self test should be NO TE re-cabled and re-run to verify the alternative transmitters wavelength output. Select the cable configuration from the self test menu as appropriate.

  • Page 19: What To Do If The Self Test Fails

    Verification.book Page 16 Monday, January 19, 2004 1:40 PM Performance Tests What to do if the Self Test fails 1 Check all connections to make sure that all the correct loopback connections are in place. 2 Be suspicious of any optical interface failures and if necessary clean all optical connections with a recognized cleaning kit before retrying the self test.
  • Page 20 Verification.book Page 17 Monday, January 19, 2004 1:40 PM Performance Tests Verification Manual Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 21: Internal Reference Clock Accuracy

    Verification.book Page 18 Monday, January 19, 2004 1:40 PM Performance Tests Internal Reference Clock Accuracy Specification Clock Output Frequency Accuracy ± 2 MHz 2.048 MHz 4.5 ppm ± DS1 (BITS Clock) 1.544 MHz 4.5 ppm Accuracy of Transmitter Internal Clock: ±...
  • Page 22 Verification.book Page 19 Monday, January 19, 2004 1:40 PM Performance Tests Equipment Required Frequency Counter Agilent 53181A Option 010,015 (see Note) DSn Test Set Agilent 37718C with Option 012 Bantam/Bantam Cable Agilent 15670A 75/50 ohm Matching Pad Agilent E2629A Bal/Unbal Converter Agilent 15508B For accuracy required the counter MUST have high stability Internal NO TE...
  • Page 23 Verification.book Page 20 Monday, January 19, 2004 1:40 PM Performance Tests External High Stability OmniBER OTN 10 MHz Reference may be required 53181A Counter Matching pad and/or termination 2 MHz Clock OUT (75 Ω UnBal) 4 Adjust the frequency counter trigger level to obtain a stable reading and check that the frequency counter reads between: 2.0479908 MHz and 2.0480092 MHz.
  • Page 24 Verification.book Page 21 Monday, January 19, 2004 1:40 PM Performance Tests External 10 MHz Reference OmniBER OTN to Clock Timing I/P DSn Test Set (37718C with Optn 012) Loop DS1 Tx/Rx OUT/IN Input to DS1 Data Clock step 10 Bantam to Bantam Cable 7 Setup the test set settings as follows: Tx/Rx to COUPLED mode.
  • Page 25 Verification.book Page 22 Monday, January 19, 2004 1:40 PM Performance Tests 9 Set the test set to display the frequency measurement and ppm offset results and check these are between: 1543993 and 1544007 Hz. –4.5 and +4.5 ppm 10 Change the test setup as follows. Disconnect the loopback connection between test set Tx/Rx then connect the OmniBER OTN DS1 clock out port to the test set DS1 receive port using the Bantam to Bantam cable.

  • Page 26: Alternative Ds1 Clock Test (If Suitable Dsn Test Set Is Not Available)

    Verification.book Page 23 Monday, January 19, 2004 1:40 PM Performance Tests Alternative DS1 Clock test (if suitable DSn Test Set is not available) 1 Connect the OmniBER OTN’s DS1 Clock Out port to the Frequency Counter Input using a 110/75 Ω Bal/Unbal Converter and 75 Ω...

  • Page 27: External Clock Reference Inputs And Clock Reference Output

    Verification.book Page 24 Monday, January 19, 2004 1:40 PM Performance Tests External Clock Reference Inputs and Clock Reference Output Specifications Clock Rate Description 2.048 Mb/s MTS Accepts timing reference as per ITU-T G.703-1998 2.048 MHz Clock Accepts timing reference as per ITU-T G.703-1998 1.544 Mb/s BITS Accepts DS-1 timing reference as per...
  • Page 28 Verification.book Page 25 Monday, January 19, 2004 1:40 PM Performance Tests Equipment Required Frequency Counter Agilent 53181A Option 010,015 (see Note) DSn Test Set Agilent 37718C with Option 012 Bantam/Bantam Cables (2) Agilent 15670A 75/50 ohm Matching Pad Agilent E2629A Bal/Unbal Converter Agilent 15508B For accuracy required the counter MUST have high stability Internal Timebase...
  • Page 29 Verification.book Page 26 Monday, January 19, 2004 1:40 PM Performance Tests Connect the PDH/DSn test set CLOCK REF OUT or TRANSMIT CLOCK OUT port to the instrument’s CLOCK IN 2MHz BNC port. OmniBER OTN Counter 10 MHz Reference OUTPUT Signal 53181A Counter Output Matching pad...
  • Page 30 Verification.book Page 27 Monday, January 19, 2004 1:40 PM Performance Tests 7 Confirm that the OmniBER OTN is locked to the external signal by disconnecting/re-connecting the BNC cable at the instrument CLOCK IN port (External 10M Clock as Reference) 8 Now set the instrument to External Clock, 10M Ref. 9 Disconnect the 10M Reference signal from the PDH/DSn test set and connect it directly to the OmniBER OTN as shown in the diagram above.
  • Page 31 Verification.book Page 28 Monday, January 19, 2004 1:40 PM Performance Tests OmniBER OTN Counter 10 MHz Reference OUTPUT 53181A Counter Matching pad and/or termination PDH/DSn Test Set 2 Mb/s DATA 2 MHz Clock O/P UNBAL step 18 10MHz Reference to External 10M Clock Input 14 Ensure the PDH/DSn test set transmitter is set as follows.
  • Page 32 Verification.book Page 29 Monday, January 19, 2004 1:40 PM Performance Tests 2.047999999 MHz and 2.048000001 MHz 17 Confirm that the OmniBER OTN is locked to the external signal by disconnecting/re-connecting the BNC cable at the OmniBER OTN CLOCK IN port. (External 2M Balanced Data as Reference) 18 Change the set-up as follows.
  • Page 33 Verification.book Page 30 Monday, January 19, 2004 1:40 PM Performance Tests OmniBER OTN PDH/DSn Test Set DS1 OUT DS1 IN DS1 IN Bantam to Bantam cables DS1 OUT 25 Set the PDH/DSn test set as follows: TRANSMIT/RECEIVE settings to COUPLED SIGNAL to DS1 rate CLOCK to INTERNAL OUTPUT LEVEL to DSX-1...

  • Page 34: Optical Pulse Mask And Output Characteristics

    Verification.book Page 31 Monday, January 19, 2004 1:40 PM Performance Tests Optical Pulse Mask and Output Characteristics Specifications Optical Output Power 1310 nm 1550 nm (<=2.5 Gb/s) -2.5 to +4 dBm * 1550 nm (9.95/10.71 Gb/s) -1 to +2 dBm * * Typical transmit power level is in the middle of the stated range.

  • Page 35: 52/155 And 622 Mb/S Optical Output Checks

    Verification.book Page 32 Monday, January 19, 2004 1:40 PM Performance Tests Equipment Required High Speed Optical Agilent Infinium 86100A Mainframe Oscilloscope Agilent Infinium 86103A option 201, Optical Plug-in Agilent Infinium 86105A option 202, Optical Plug-in Optical Attenuator Agilent 8156A Optical Patch Cord(s) Agilent PN 1005-0337 BNC(m) to SMA(f) Adapter Agilent E9632A SMA(m) to SMA(m) cable...
  • Page 36 Verification.book Page 33 Monday, January 19, 2004 1:40 PM Performance Tests 3 Connect the 52 Mb/s Optical Out Port (1310/1550 nm) to the oscilloscope via an optical attenuator. Set the attenuator to provide approximately 6dB attenuation, (see Note). Also connect the TX Eye Clock (52 Mb/2.5 Gb/s) to the oscilloscope Trigger input.
  • Page 37 Verification.book Page 34 Monday, January 19, 2004 1:40 PM Performance Tests 86100A Optical Oscilloscope OmniBER OTN 86103A Optical Trigger TX Eye Clock 8156A Optical Attenuator Optical Output 4 Set OmniBER OTN Laser to ON and set optical attenuator to Enable. 5 On the oscilloscope select Setup >...
  • Page 38 Verification.book Page 35 Monday, January 19, 2004 1:40 PM Performance Tests 9 Start Mask Test and check the optical output meets the mask. See example below. OC-1/STM-0 Eye Mask 10 Set the oscilloscope to Eye Measure mode and select Extinction Ratio measurement. Ensure Vertical Calibration and Extinction Ratio Calibration have been NO TE performed for the oscilloscope channel and vertical sensitivity range to...
  • Page 39 Verification.book Page 36 Monday, January 19, 2004 1:40 PM Performance Tests 15 Select oscilloscope Autoscale and allow the oscilloscope to find signal and trigger inputs. 16 Start Mask Test and check the optical output meets the mask. See example on page 17 Set the oscilloscope to Eye Measure mode and select Extinction Ratio measurement.

  • Page 40: 2.5 Gb/S Optical Output Checks

    Verification.book Page 37 Monday, January 19, 2004 1:40 PM Performance Tests OC-12/STM-4 Eye Mask 2.5 Gb/s Optical Output Checks OC-48/STM-16 Power Level and Eye Mask Tests 26 Change the OmniBER OTN Signal Rate. Press <Menu>, choose Tx/Rx > Transmitter Settings > Physical then press <Select>.
  • Page 41 Verification.book Page 38 Monday, January 19, 2004 1:40 PM Performance Tests OmniBER OTN 86100A Optical Oscilloscope 86105A Optical Trigger TX Eye Clock Optical Output 28 Set the OmniBER OTN Laser to ON. 29 On the oscilloscope select Setup > Channel 3 > Advanced settings.
  • Page 42 Verification.book Page 39 Monday, January 19, 2004 1:40 PM Performance Tests OC-48/STM-16 Eye Mask 34 Set the oscilloscope to Eye Measure mode and setup to measure the Average Power (in dBm) and Extinction Ratio. Ensure Vertical Calibration and Extinction Ratio Calibration have been NO TE performed for the oscilloscope channel and vertical sensitivity range to ensure measurement accuracy.

  • Page 43: Gb/S And 10.71 Gb/S Optical Output Checks (J7230B And J7232A Opt 108 Only)

    Verification.book Page 40 Monday, January 19, 2004 1:40 PM Performance Tests 9.95 Gb/s and 10.71 Gb/s Optical Output Checks (J7230B and J7232A Opt 108 Only) OC-192/STM-64 Power Level and Eye Mask Tests 1 Press <Menu>, choose System > Stored Settings then press <Select>.
  • Page 44 Verification.book Page 41 Monday, January 19, 2004 1:40 PM Performance Tests OmniBER OTN 86100A Optical Oscilloscope 86105A Optical Trigger Eye Clock 9.95/10.71 Gb/s 9.95/10.71 Gb/s Optical Output 4 Set the OmniBER OTN Laser to ON. 5 On the oscilloscope select Setup > Channel 3 > Advanced settings.
  • Page 45 Verification.book Page 42 Monday, January 19, 2004 1:40 PM Performance Tests 11 Check the Extinction Ratio is greater than 8.2 dB and record the measured value. OC-192/STM-64 Eye Mask 10.71 Gb/s (OTU-2) Power Level and Eye Mask Tests (Option 112 only) 12 Set the Transmitter display as shown below.
  • Page 46 Verification.book Page 43 Monday, January 19, 2004 1:40 PM Performance Tests 13 Ensure the OmniBER OTN Laser is ON. 14 Select Eye/Mask Mode, Mask Test. Select Filter and ensure it is set to OC-192 (9.95Gb/s), ON 15 Change the mask to OTU-2. 16 Select oscilloscope Autoscale and allow the oscilloscope to find signal and trigger inputs 17 Start Mask Test and check the optical output meets the...
  • Page 47 Verification.book Page 44 Monday, January 19, 2004 1:40 PM Performance Tests OTU-2 Eye Mask Verification Manual Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 48: Optical Receiver Sensitivity, Optical Power And Frequency Measurement

    Verification.book Page 45 Monday, January 19, 2004 1:40 PM Performance Tests Optical Receiver Sensitivity, Optical Power and Frequency Measurement Specifications Min. sensitivity (1): 52/155 Mb/s –34 dBm 622 Mb/s –28 dBm 2.5 Gb/s –28 dBm 9.95 Gb/s –18 dBm 10.71 Gb/s –16 dBm Max.
  • Page 49 Verification.book Page 46 Monday, January 19, 2004 1:40 PM Performance Tests The rates and wavelengths available are dependent on the OmniBER OTN NO TE options fitted. Description The Transmitter output is attenuated and set for appropriate level using an external Power meter. The receiver sensitivity is verified using the attenuated transmitter output and checking for no errors in back-to-back mode.
  • Page 50 Verification.book Page 47 Monday, January 19, 2004 1:40 PM Performance Tests Safety precautions must be observed when handling the OmniBER WA RN ING OTN’s Optical Modules as these generate laser signals which can cause serious injury. The guidelines below must be followed: •...
  • Page 51 Verification.book Page 48 Monday, January 19, 2004 1:40 PM Performance Tests OmniBER OTN 8163/81633A Optical Power Meter Optical In step 7 step 19 Optical Out 8156A Optical Attenuator 4 Set the optical attenuator to: ATTEN 15 dB WAVELENGTH 1310 nm (or 1550 nm depending on wavelength used) CAL=0 ENB ON...
  • Page 52 Verification.book Page 49 Monday, January 19, 2004 1:40 PM Performance Tests 5 Press <Menu>, choose Tx/Rx > Transmitter Settings > Physical then press <Select>. Set the Signal Mode to SONET and Signal Rate to OC1, Wavelength 1310 nm (or if this is not fitted, select 1550 nm).
  • Page 53 Verification.book Page 50 Monday, January 19, 2004 1:40 PM Performance Tests 10 Add more attenuation by increasing the optical attenuator setting to find the point just before the occurrence of errors. This can be done by observing the Errors LED while adjusting attenuator.
  • Page 54 Verification.book Page 51 Monday, January 19, 2004 1:40 PM Performance Tests Press <Smart Test>, choose Shortcuts > Frequency Measurement then press <Select>. The OmniBER OTN now displays the received frequency results. Check that the frequency measurement reads between: 51.83999 and 51.84001 MHz for [STM-0 OPT] or [OC-1] (155.51999 and 155.52001 MHz for [STM-1 OPT] or [OC-3]) 12 Reduce the optical attenuator setting by a further 20 dB and check the receiver Optical Power result is between:...
  • Page 55 Verification.book Page 52 Monday, January 19, 2004 1:40 PM Performance Tests 13 Press <Smart Test>, choose Shortcuts > Trouble Scan then press <Select>. Press <Run/Stop> to begin measurement. After 1 minute check that ‘No Trouble’ is displayed in the Results window to confirm no errors have been detected. Press <Run/Stop>...
  • Page 56 Verification.book Page 53 Monday, January 19, 2004 1:40 PM Performance Tests 20 Ensure the OmniBER OTN is set to TX>RX Coupled Mode. 21 Press <Smart Test>, choose Shortcuts > Trouble Scan then press <Select>. Press <Run/Stop> to begin measurement. After 1 minute check that ‘No Trouble’ is displayed in the Results window to confirm no errors have been detected.
  • Page 57 Verification.book Page 54 Monday, January 19, 2004 1:40 PM Performance Tests –8.5 dBm and –7.5 dBm OC-48/STM-16 Rates 1 Press <Menu>, choose System > Stored Settings then press <Select>. Select Default then Recall. 2 Set the optical attenuator to: ATTEN 15 dB WAVELENGTH 1550 nm (or 1310 nm depending on wavelength used) CAL=0...
  • Page 58 Verification.book Page 55 Monday, January 19, 2004 1:40 PM Performance Tests Disconnect the optical attenuator output from the power meter and connect to the OmniBER OTN’s Optical IN port (2.5 Gb/s). Ensure all optical connectors are clean and all connections are tight with no twists in the optical cable. Set the optical attenuator to Enable.
  • Page 59 Verification.book Page 56 Monday, January 19, 2004 1:40 PM Performance Tests 12 Disable the optical attenuator then disconnect the Optical signal from the OmniBER OTN Optical IN port and connect to the power meter. Re-enable the optical attenuator. 13 Check the power meter reading is between: –8.5 dBm and –7.5 dBm Verification Manual Artisan Technology Group - Quality Instrumentation ...
  • Page 60 Verification.book Page 57 Monday, January 19, 2004 1:40 PM Performance Tests OC-192/STM-64 Rate (J7230B and J7232A Opt 108 Only) 1 Press <Menu>, choose System > Stored Settings then press <Select>. Select Default then Recall. 2 Connect the test setup as shown below. OmniBER OTN 8163/81633A Optical Power Meter step 6...
  • Page 61 Verification.book Page 58 Monday, January 19, 2004 1:40 PM Performance Tests 4 Set the OmniBER OTN Transmitter to provide OC-192 output with PRBS bulk payload as follows: Press <Menu>, choose Tx/Rx > Transmitter Settings > Physical then press <Select>. Set the Signal Mode to SONET and the Signal Rate to OC192.
  • Page 62 Verification.book Page 59 Monday, January 19, 2004 1:40 PM Performance Tests Set the OmniBER OTN’s receiver to display Frequency and check that the frequency measurement reads between: 9953.2799 MHz and 9953.2801 MHz 11 Reduce the optical attenuator setting by 11 dB and check the receiver Optical Power result is between: –8.5 dBm and –5.5 dBm 12 Press <Smart Test>, choose Shortcuts >...
  • Page 63 Verification.book Page 60 Monday, January 19, 2004 1:40 PM Performance Tests Disconnect the optical attenuator output from the power meter and connect to the OmniBER OTN’s Optical IN port (9.95/10.71 Gb/s). Ensure all optical connectors are clean and all connections are tight with no twists in the optical cable.
  • Page 64 Verification.book Page 61 Monday, January 19, 2004 1:40 PM Performance Tests 24 Disable the optical attenuator then disconnect the Optical signal from the OmniBER OTN Optical IN port and connect to the power meter. Re-enable the optical attenuator. 25 Check the power meter reading is between: –8.5 dBm and –5.5 dBm 26 Test Complete.
  • Page 65 Verification.book Page 62 Monday, January 19, 2004 1:40 PM Performance Tests Verification Manual Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 66: Electrical Pulse Mask And Output Level Characteristics

    Verification.book Page 63 Monday, January 19, 2004 1:40 PM Performance Tests Electrical Pulse Mask and Output Level Characteristics (Option 012 Only) Specifications Rate Level Waveshape DSX-1 2.4V - 3.6V Fits Mask T1.102-1993 DS1-LO As DSX-1 with 655 ft ABAM cable DS3-HI 0.9 V pk (nominal) DSX-3...
  • Page 67 Verification.book Page 64 Monday, January 19, 2004 1:40 PM Performance Tests Equipment Required Oscilloscope 54810A with Option 100 Communication Mask Kit (E2625A) Patch Cable 15512A Siemens 3 pin Patch Cable 15670A Bantam 110 ohm Adapter E2621A Termination Adapter Probe Procedure This performance test uses the Infinium 54810A Oscilloscope with NO TE Option 100 (E2625A) Telecom Masks Template Kit.
  • Page 68 Verification.book Page 65 Monday, January 19, 2004 1:40 PM Performance Tests DS1 Output Mask Test 1 Recall the OmniBER OTN’s default settings as shown on “Recall Default Settings" on page 11. 2 Press <Menu>, select Tx/Rx > Transmitter Settings and set the Signal Mode to PDH/DSn.
  • Page 69 Verification.book Page 66 Monday, January 19, 2004 1:40 PM Performance Tests 4 Load the DS1_ANSI.msk test mask and run the mask test. Check the Positive and Negative pulses are within the mask (see examples). To test Negative pulse set the Scope Mask Test Set-up panel to Invert NO TE Mask.
  • Page 70 Verification.book Page 67 Monday, January 19, 2004 1:40 PM Performance Tests DSX-1 Negative Pulse 5 Check the DSX-1 pulse amplitudes are between 2.4-3.6V pk. 6 Set the instrument Output Level to DS-1-LO and check that the Pulse Output Amplitude decreases by approximately 20% and pulse shape has slower rise/fall edges.
  • Page 71 Verification.book Page 68 Monday, January 19, 2004 1:40 PM Performance Tests 2 Load the 2Mb_ITU_120.msk test mask and check the Positive and Negative pulses are within the mask (see examples). T o test Negative pulse set the Scope Mask Test Set-up panel to Invert NO TE Mask.
  • Page 72 Verification.book Page 69 Monday, January 19, 2004 1:40 PM Performance Tests 2M Balanced Negative Pulse 2 Mb/s Unbalanced Output Mask Tests 1 Press <Menu>, select Tx/Rx > Transmitter and set the Signal Mode to PDH/DSn. Now set the Signal Rate to 2Mb/s, Termination 75 ohms (Unbal).
  • Page 73 Verification.book Page 70 Monday, January 19, 2004 1:40 PM Performance Tests OmniBER OTN 54810A Oscilloscope E2622A 75/50Ω Adapter 2/8/34/140 Mb/s & DS-3 UnBal OUT BNC to BNC cable 3 Load the 2Mb_ITU_75.msk test mask and check the Positive and Negative pulses are within the mask (see examples). To test Negative pulse set the Scope Mask Test Set-up panel to Invert NO TE Mask...
  • Page 74 Verification.book Page 71 Monday, January 19, 2004 1:40 PM Performance Tests 2M Unbalanced Positive Pulse 2M Unbalanced Negative Pulse Verification Manual Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 75 Verification.book Page 72 Monday, January 19, 2004 1:40 PM Performance Tests 8 Mb/s Output Mask Tests 1 Press <Menu>, select Tx/Rx > Transmitter Settings and set the Signal Mode to PDH/DSn. Now set the Signal Rate to 8 Mb/s. 2 Load the 8Mb_ITU.msk test mask and check the Positive and Negative pulses are within the mask (see examples).
  • Page 76 Verification.book Page 73 Monday, January 19, 2004 1:40 PM Performance Tests 8M Unbalanced Positive Pulse 8M Unbalanced Negative Pulse Verification Manual Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 77 Verification.book Page 74 Monday, January 19, 2004 1:40 PM Performance Tests 34 Mb/s Output Mask Tests 1 Press <Menu>, select Tx/Rx > Transmitter Settings and set the Signal Mode to PDH/DSn. Now set the Signal Rate to 34 Mb/s. 2 Load the 34Mb_ITU.msk test mask and check the Positive and Negative pulses are within the mask (see examples).
  • Page 78 Verification.book Page 75 Monday, January 19, 2004 1:40 PM Performance Tests 34M Unbalanced Positive Pulse 34M Unbalanced Negative Pulse DSX-3 Output Mask Tests 1 Press <Menu>, select Tx/Rx > Transmitter Settings and set the Signal Mode to PDH/DSn. Now set the Signal Rate to DS3.
  • Page 79 Verification.book Page 76 Monday, January 19, 2004 1:40 PM Performance Tests 2 Load the DS3_ANSI.msk test mask and check the Positive and Negative pulses are within the mask (see examples). To test Negative pulse set the Scope Mask Test Set-up panel to Invert NO TE Mask DSX-3 Positive Pulse...
  • Page 80 Verification.book Page 77 Monday, January 19, 2004 1:40 PM Performance Tests DSX-3 Negative Pulse Verification Manual Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 81 Verification.book Page 78 Monday, January 19, 2004 1:40 PM Performance Tests 140 Mb/s Output Mask Tests 1 Press <Menu>, select Tx/Rx > Transmitter Settings and set the Signal Mode to PDH/DSn. Now set the Signal Rate to 140 Mb/s. 2 Load the 140Mb_ITU_0.msk, 140Mb_ITU_1.msk and 140Mb_ITU_1_INV.msk test masks and check each of the pulses are within the mask (see examples).
  • Page 82 Verification.book Page 79 Monday, January 19, 2004 1:40 PM Performance Tests 140Mb/s All Ones Mask Test 140Mb/s All Ones (inverted) Mask Test Verification Manual Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 83 Verification.book Page 80 Monday, January 19, 2004 1:40 PM Performance Tests 51.84 Mb/s (STS-1) Output Mask Tests 1 Recall the OmniBER OTN’s default setting as shown on “Recall Default Settings" on page 11. 2 Press <Menu>, select Tx/Rx > Transmitter Settings and set the Signal Mode to SONET.
  • Page 84 Verification.book Page 81 Monday, January 19, 2004 1:40 PM Performance Tests OmniBER OTN 54810A Oscilloscope E2622A 75/50Ω Adapter STS-1/STM-0e Output STS-1/STM-0e O/P BNC to BNC cable 4 Load the STS1_ANSI_EYE.msk test mask and check the eye meets the mask. See examples It may be necessary to use Manual settings to Align this mask.
  • Page 85 Verification.book Page 82 Monday, January 19, 2004 1:40 PM Performance Tests STSX-1 Mask Test Verification Manual Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 86 Verification.book Page 83 Monday, January 19, 2004 1:40 PM Performance Tests 5 Load the STS1_ANSI_PULSE.msk test mask and check the positive and negative pulses meet the mask (see examples). STSX-1 Positive Pulse Mask Test STSX-1 Negative Pulse Mask Test Verification Manual Artisan Technology Group - Quality Instrumentation ...
  • Page 87 Verification.book Page 84 Monday, January 19, 2004 1:40 PM Performance Tests 155Mb/s Output Mask Tests 1 Press <Menu>, select Tx/Rx > Transmitter Settings and set the Signal Mode to SONET. Now set the Signal Rate to STS-3. 2 Load the STS3_ANSI.msk test mask and check the eye meets the mask ( see example).
  • Page 88 Verification.book Page 85 Monday, January 19, 2004 1:40 PM Performance Tests 3 Press <Menu>, select Tx/Rx > Transmitter settings and set the Signal Mode to SDH. Now set the Signal Rate to STM-1, and Interface to Electrical. 4 Load the 155Mb_ITU_0.msk test mask and check the ‘zero’ pulses are within the mask.
  • Page 89 Verification.book Page 86 Monday, January 19, 2004 1:40 PM Performance Tests STM-1 All Ones Mask Test STM-1 All Ones (inverted) Mask Test Verification Manual Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 90 Verification.book Page 87 Monday, January 19, 2004 1:40 PM Performance Tests Verification Manual Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 91: Performance Test Record

    Verification.book Page 88 Monday, January 19, 2004 1:40 PM Performance Tests Performance Test Record Model: Agilent J7231B/J7232A OmniBER OTN Location: Serial No.: Tested by: Options: Temperature: Certified by: Humidity: Date: The test steps applicable are dependent on the instrument options NO TE installed.
  • Page 92 Verification.book Page 89 Monday, January 19, 2004 1:40 PM Performance Tests Result Page No. Test Description Actual step 10/step Signal Locked Pass/Fail step 16 2 Mb/s Data Ext Unbal 2.047999999 MHz 2.048000001 MHz step 17 Signal Locked Pass/Fail step 21 2 Mb/s Data Ext Bal 2.047999999 MHz 2.048000001 MHz...
  • Page 93 Verification.book Page 90 Monday, January 19, 2004 1:40 PM Performance Tests Result Page No. Test Description Actual step 23 OC-12/STM-4 Mask Pass/Fail step 25 OC-12/STM-4 (ER) >8.2 dB step 33 OC-48/STM-16 Mask Pass/Fail step 35 OC-48/STM-16 (PWR) –2.5 dBm +4 dBm step 36 OC-48/STM-16 (ER) >8.2 dB...
  • Page 94 Verification.book Page 91 Monday, January 19, 2004 1:40 PM Performance Tests Result Page No. Test Description Actual step 13 ‘No Trouble’ Max Sens Pass/Fail step 15 Power Meter check –10.5 –9.5 step 5 Laser LED ON Pass/Fail step 6 Note Attenuator Setting step 9 ‘No Trouble’...
  • Page 95 Verification.book Page 92 Monday, January 19, 2004 1:40 PM Performance Tests Result Page No. Test Description Actual step 4 Note Attenuator Setting step 7 ‘No Trouble’ Min Sens Pass/Fail step 8 Additional Attenuation Typ > 1 dB step 9 –28 dBm PWR meas –30 dBm –26 dBm step 9...
  • Page 96 Verification.book Page 93 Monday, January 19, 2004 1:40 PM Performance Tests Result Page No. Test Description Actual step 19 ‘No Trouble’ Min Sens Pass/Fail step 20 Additional Attenuation Typ > 1 dB step 21 –16dBm PWR meas –17.5 dBm –14.5 dBm step 21 OTN Output Frequency 1070.9224 MHz 1070.9226 MHz...
  • Page 97 Verification.book Page 94 Monday, January 19, 2004 1:40 PM Performance Tests Result Page No. Test Description Actual step 2 DS3 ANSI Mask Pass/Fail 140 Mb/s Output Mask Tests step 2 140 Mb/s ITU Masks Pass/Fail STS-1 (51 Mb/s) Output Mask Tests step 4 STS-1 Eye Mask Pass/Fail...

  • Page 98: Self Test Overview

    This section gives an overview of the instrument self tests available on the instrument. Agilent Technologies Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 99: Description Of The Self Test

    Verification.book Page 96 Monday, January 19, 2004 1:40 PM Self Test Overview Description of the Self Test The self test comprises several tests each consisting of a number of sub tests (the tests available and number of sub tests within each test is option dependent).

  • Page 100: List Of Self Tests

    Verification.book Page 97 Monday, January 19, 2004 1:40 PM Self Test Overview List of Self Tests The self test comprises of several tests. Each test consists of a number of sub tests. A brief description of each test is given below.

  • Page 101: Loopback Connections Required For Self Test

    Verification.book Page 98 Monday, January 19, 2004 1:40 PM Self Test Overview Loopback Connections Required for Self Test The self test loopbacks required for each test are listed below. Those required are dependent on the model, options fitted and test selected. See diagram on page 99 indicating loopback connections for a J7230B with options 106 &...
  • Page 102 Verification.book Page 99 Monday, January 19, 2004 1:40 PM Self Test Overview Optical Loopback Patch 10 dB Optical Attenuator to Cords connections are ensure level is within option dependent. kkkkkkkk Receiver Input Range jlkjkljkljl 15 dB Optical Attenuator to ensure level is within Receiver Input Range DCC Loopback...
  • Page 103 Verification.book Page 100 Monday, January 19, 2004 1:40 PM Self Test Overview This table indicates the minimum self test loopback requirements. Self Test Optical Loopback Electrical DCC Loopback (10/15 dB in-line Loopback plug attenuation must be used) Loopbacks used are dependent on Options fitted •...
  • Page 104 Verification.book Page 101 Monday, January 19, 2004 1:40 PM Self Test Overview For units with dual wavelength, 1310 & 1550 ports at 52 Mb/s - 2.5 Gb/s. NO TE The self test should be repeated with the optional optical loopback B/C connection (including attenuator) made to alternative wavelength port.

  • Page 105: How To Run A Self Test

    Verification.book Page 102 Monday, January 19, 2004 1:40 PM Self Test Overview How to Run a Self Test 1 Press <Menu>, choose System > Self Test then press <Select>. 2 Ensure all loopbacks are in place and from the self test page menu select the appropriate 1310/1550 nm 2.5 G - 52 M optical loopback cabling configuration.
  • Page 106 Verification.book Page 103 Monday, January 19, 2004 1:40 PM Self Test Overview List of Self Test Sub Tests A list of all the possible sub tests in any given Test is shown below. Each interface is tested in sequence starting with the highest rate interface down to the lowest rate interface.
  • Page 107 Verification.book Page 104 Monday, January 19, 2004 1:40 PM Self Test Overview - Confidence Test Sub Test Number Sub Test Description Conf 10 Gb/s 1550 nm - Opt Power Conf 10 Gb/s 1550 nm - AU-4-64c Conf 10 Gb/s 1550 nm - AU-4-16c Conf 2.5 Gb/s 1310 nm - Opt Power Conf 2.5 Gb/s 1310 nm Conf 2.5 Gb/s 1550 nm...
  • Page 108 Verification.book Page 105 Monday, January 19, 2004 1:40 PM Self Test Overview 23 (opt 112 only) 10.7 Gb/s Test Signal 24 (opt 112 only) 10.7 Gb/s SDH Payload Optical Power Test Sub Test Number Sub Test Description 10 Gb/s 1550nm 2.5 Gb/s 1310/1550nm 622 Mb/s 1310/1550nm - DCC Add/Drop Test...
  • Page 109 Verification.book Page 106 Monday, January 19, 2004 1:40 PM Self Test Overview - VCAT RAM Test Sub Test Number Sub Test Description STM-16, AU-3-48v, VC-3 Bulk, PRBS STM-16, AU-3-48v, VC-3 GFP (F), Ethernet PRBS Verification Manual Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 110: What To Do If The Self Test Fails

    Verification.book Page 107 Monday, January 19, 2004 1:40 PM Self Test Overview -What to Do if the Self Test Fails 1 Check all connections to make sure that all the correct loopback connections are in place and Optical Attenuators are fitted as required. 2 Be suspicious of any optical interface failures and if necessary clean all optical connections with a recognized cleaning kit before retrying the self test.
  • Page 111 Verification.book Page 108 Monday, January 19, 2004 1:40 PM Self Test Overview Verification Manual Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 112 Verification.book Page 109 Monday, January 19, 2004 1:40 PM Index Numerics 10.71 Gb/s (OTN) Power Level and Eye Line frequency measurement, 45 Self Test, 12 Mask Tests, 42 Loopback connections required for Self Confidence Test, 97 52/155 and 622 Mb/s Optical Output Test, 13, 98 DCC Add/Drop Test, 97 Checks, 32...
  • Page 113 Verification.book Page 110 Monday, January 19, 2004 1:40 PM Index Verification Manual Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 114 sdh_Lynx2.book Page 148 Wednesday, April 17, 2002 12:49 PM Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 115 In This Book This book contains verification information for the OmniBER OTN instrument. Printed in U.K. 11/03 J7230-90069 J7230_90069_rear.p65 16/09/2003, 13:33 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 116 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...

This manual is also suitable for:

Omniber otn j7230bOmniber otn j7232a

Table of Contents