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Multi-Channel BERT 12.5 Gb/s User Guide

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1.5

N4956A-E12 Indicators Quick Reference

Figure 2. N4956A-E12 LED indicators

Three LED indicators are integrated into the N4956A-E12 front panel. These
indicators are used to communicate the current status of the N4956A-E12 error
detector. The combinations are shown below.

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Summary of Contents for N4965A

Page 1: ...Getting Started Guide Keysight N4965A Multi Channel BERT 12 5 Gb s ...

Page 2: ......

Page 3: ...and the user have a separate written agreement with warranty terms covering the material in this document that conflict with these terms the warranty terms in the separate agreement shall control Technology Licenses The hardware and or software described in this document are furnished under a license and may be used or copied only in accordance with the terms of such license Restricted Rights Lege...

Page 4: ...ment Conditions This instrument is intended for indoor use in an installation category II pollution degree 2 environment per IEC 61010 Second Edition and 664 respectively It is designed to operate within a temperature range of 10 to 40 C at a maximum relative humidity of 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C at an altitude of 2000 meters This module can...

Page 5: ...nce within the European Community This product is in conformity with the relevant European Directives EMC Directive 2004 108 EC and Low Voltage Directive 2006 95 EC China RoHS regulations include requirements related to packaging and require compliance to China standard GB18455 2001 This symbol indicates compliance with the China RoHS regulations for paper fiberboard packaging Indicates the time p...

Page 6: ...ct in domestic household waste Product category With reference to the equipment types in the WEEE Directive Annexure I this product is classed as a Monitoring and Control instrumentation product Do not dispose in domestic household waste To return unwanted products contact your local Keysight office or see http about keysight com en companyinfo environment takeback shtml for more information ...

Page 7: ...E12 Shipping Box Contents 10 1 5 N4956A E12 Indicators Quick Reference 11 1 6 Unpacking 12 1 7 Important Notes 12 1 8 Measurement Best Practices 12 1 9 General Specifications 13 1 10 Safety and Regulatory 14 1 11 N4965A Multi Channel BERT Controller Installation 15 1 12 N4955A P12 N4955A D12 Installation 15 1 13 N4956A E12 Installation 18 1 14 Connector Care 19 1 15 Returning the N4965A to Keysigh...

Page 8: ...8 Multi Channel BERT 12 5 Gb s User Guide ...

Page 9: ...e shipping package perform a quick functional check of the product and guide you on where to find more information and support for the N4965A 1 2 Support For more information on the operation and features of the N4965A please refer to the N4965A Multi Channel BERT 12 5 Gb s User Guide on the CD or the following product webpage http www keysight com find N4965A Technical Support information http ww...

Page 10: ... N4965A multi channel BERT 12 5 Gb s getting started guide o N4965A multi channel BERT 12 5 Gb s user guide 1 4 N4955A P12 N4955A D12 N4956A E12 Shipping Box Contents The N4955A P12 N4955A D12 N4956A E12 is shipped in a protective box with all the accessories required for operation The shipping box contains Accessory kit which includes the following for each N4955A P12 N4955A D12 N4956A E12 o Qty ...

Page 11: ...2 Indicators Quick Reference Figure 2 N4956A E12 LED indicators Three LED indicators are integrated into the N4956A E12 front panel These indicators are used to communicate the current status of the N4956A E12 error detector The combinations are shown below ...

Page 12: ...block the fan and do not block the exhaust vent minimum of 8 cm 3 inches clearance When using multiple remote heads allow adequate space around heads for cooling If heads are stacked then additional cooling e g using a fan may be required Use 50 Ω terminations on all unused differential ports Use a 8 lbf in 90 N cm torque wrench when attaching connectors 1 8 Measurement Best Practices When using d...

Page 13: ...e and rating EMC CISPR Pub 11 Group 1 class A AS NZS CISPR 11 ICES NMB 001 This ISM device complies with Canadian ICES 001 Cet appareil ISM est conforme a la norme NMB 001 du Canada Safety Complies with European Low Voltage Directive 2006 95 EC IEC EN 61010 1 2nd Edition Canada CSA C22 2 No 61010 1 USA UL std no 61010 1 2nd Edition Acoustic noise emission Geraeuschemission LpA 70 dB LpA 70 dB Oper...

Page 14: ...erviceable parts within Operation of the instrument in a manner not specified by Keysight Technologies may result in personal injury or loss of life For continued protection against fire hazard replace fuses and or circuit breakers only with same type and ratings The use of other fuses circuit breakers or materials is prohibited To prevent electrical shock disconnect the instrument from the AC Mai...

Page 15: ...2 N4955A D12 Installation 1 Connect the N4955A P12 N4955A D12 PRBS Generator s to the N4965A controller Channel 0 2 Connect the N4965A to a clock source and the N4955A P12 N4955A D12 s to a high speed sampling scope as shown in Figure 3 Tighten coax connectors to 8 lb in 90 N cm and use 50 Ω terminations on all unused ports 3 Turn on the N4965A Figure 3 PRBS generator setup If this product is not ...

Page 16: ...scope setup option names may differ between models Set the high speed sampling scope to Eye Mask model Trigger Setup Trigger Level 0 V Slope Rising Edge Trigger Bandwidth Standard DC 2 5 GHz Timebase Setup Scale 16 3 ps div Reference center Channel 3 Setup data Attenuation 10 dB 10 dB attenuator placed at the input Bandwidth maximum Display On Scale 243 mV Div Offset 0 V 6 If the STAT menu does no...

Page 17: ...the N4955A P12 N4955A D12 should come on 10 Position the arrow next to the Clk Output label on the N4965A then press the softkey corresponding to the EDIT label 11 Rotate the knob until the highlighted text shows ON then press the softkey corresponding to the EXIT label to accept the change This will turn on the clock output 12 Verify that the waveform is similar to the one shown in Figure 4 Figur...

Page 18: ...les connect Data from the N4955A P12 N4955A D12 to Dataon the N4956A E12 and Data from the N4955A P12 N4955A D12 to Data on the N4956A E12 Tighten coax connectors to 8 lb in 90 N cm Figure 5 N4956A E12 installation setup 5 On the keypad press the number 0 to view the STAT Status menu settings for the PRBS generator connected to channel 0 6 Position the arrow next to the Pat Out label on the N4965A...

Page 19: ...SMA connectors to 2 92 mm female connectors may degrade the 2 92 mm female receptacle Inspect the connectors for the following Worn or damaged threads Scratches to mating surface Burrs and loose metal particles Ensure that female contacts are straight and aligned Clean the connectors as described in the following procedure Cleaning connectors with alcohol shall only be done with the instruments po...

Page 20: ...T 12 5 Gb s User Guide 1 Record all symptoms 2 Contact Keysight Technologies using the Request an RMA form at http www keysight com find assist 3 Use the original packing material or similar packing material to ship the N4965A to Keysight Technologies ...

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Page 22: ...This information is subject to change without notice Keysight Technologies 2012 2015 Edition 7 October 2015 www keysight com ...

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