Eye-BERT Micro Users Manual
Contents
1. O 9 47 11 AM 2 49E 09 PRBS31 44 3 24 6 2 54407E 12 0 O 9 47 12 AM 2 49E 09 PRBS31 44 3 24 7 2 54652E 12 0 O 9 47 13 AM 2 49E 09 PRBS31 44 2 aed J 2 54896E 12 0 O 9 47 14 AM 2 49E 09 PRBS31 44 2 24 7 2 55141E 12 0 O 9 47 15 AM 2 49E 09 PRBS31 44 3 24 9 2 55385E 12 0 O www spectronixinc com Sample Log File Page 5 Eye BERT Micro User s Guide V 1 20 Thermal Power Considerations The Eye BERT Micro enclosure provides a low thermal resistance path from the internal electronics and SFP module to the extruded aluminum housing therefore some minimal air circulation or heat sinking is recommended The unit is designed to be used in an open laboratory type environment such as on a bench with some amount of air circulation or attached to a thermal sink using the included flanges If the unit is to be utilized at elevated temperatures or mounted in a stagnant environment where heat build up might occur it is recommended that additional thermal management be employed such as using fans or additional heat sinking and thermal gasket material When using an SFP which supports digital diagnostics the SFP temperature may be monitored from the software user interface Note most commercial grade SFP modules are rated for an ambient temperature of at least 70 C When the Eye BERT Micro is connected to an active powered USB port the unit is on and generating heat whether or not the application is running In order to turn off the2. must be powered on and connected to a USB port prior to launching the Eye BERT Micro Application After starting the application press the Connection button to automatically connect to the Eye BERT Micro upon successful connection this button will turn green and the fields will begin to update The user may also choose to select a specific COM port number from the drop down list this is useful when there is more than one Eye BERT Micro connected to a computer After communication is established the Connection indicator will turn green the screen will be populated with the current measurements and the SFP model and serial numbers will be displayed in the application header Eye BERT Micro 1 2 RSP25ML1 ST3 52101P74200001 V1 1 Eye BERT Micro 1 2 RSP25ML1 ST3 52101P74200001 V1 1 BER BER 3 309E 12 24 85m MEN 4 721E 04 24 94m mam Errors 9 000E 00 w D T aen ec Errors 1 210E 07 20 1 dam Count 2 720E 12 1310 00 nm Count 2 59563E 10 1310 00 nm Time Od 00 18 13 l A D Time Od 00 00 00 l i 44 6 i 44 9 Cas spectronixinc co Bitrate Mbps eee 250 000000 Mbps Bitrate Mbps 125 155 52 200 622 08 1062 5 1250 2125 2488 32 2500 2666 08 4250 Pattern Generator and Checker Soen T M LSE A Rie Char Pattern Generator and Checker Custom Ox C14FAC14FA 10 Hex Char PRBS 2 7 1 PRBS 2 23 1 PRES 2431 1 K28 5 CITPAT CRPAT CSPAT Repeat PRBS 2 7 1 PRBS 2 23 1 PRB
3. unit either remove power or unplug deactivate the USB connection The unit will power down when the connected computer powers down providing that the computer removes power from the USB cable This allows the unit to remain connected to a system and powered on off with the controlling computer Mechanical Dimensions 0 220 Slot width 3 20 ea centers 3 80 overall www spectronixinc com Page 6 Eye BERT Micro User s Guide V 1 20 APPENDIX LETTEROF VOLO TILITY The Eye BERT Micro contains both volatile and non volatile memory Only the Eye BERT Micro firmware application is stored in non volatile memory and program variables and settings are stored in volatile RAM which is cleared upon power down The user has no means of altering the non volatile memory without opening up the unit and reprogramming the device using a special programming adapter www spectronixinc com Page 7 Eye BERT Micro User s Guide V 1 20
4. Ke Eye BERT Micro Users Manual a Spectronix Overview The Eye BERT Micro is a low cost easy to use all in one SFP based fiber optic test solution offering high performance bit error rate testing at a fraction of the cost while providing a rich set of features not found in other bit error rate testers Features include variable bit rate user programmable patterns and optical power and temperature monitoring per SFP capability Additionally with a click of a button the Eye BERT Micro will automatically test an SFP module based on the information it reads from the module and generate a detailed test report complete with manufacturer part number serial number date code fiber type link length soeed and test results The Unit is supplied with anti skid bumpers for bench use flanges for chassis mounting and is small enough to be integrated into larger systems for dedicated link verification Warnings and Precautions O Do not exceed SFP manufacturers recommended optical input power on any port Use only compatible fiber optical connectors and modules Use only the supplied 5VDC power supply Observe ESD precautions when disassembling or handling transceivers Q Q Q Proper ventilation or heat sinking may be required depending on the environment and SFP Preparing the Eye BERT Micro The Eye BERT Micro is supplied with optional dove tail flanges for applications that require hard mounting or heat sinking To install
5. RA E Diagnostics SFP INFORMATION SFP Vendor OE SOLUTIONS Part Number RSP25ML1 5T3 SN 52101P74200001 Date Code 10 19 07 Diagnostics External Calibration Media Sum 40 km Wave length 1310 00 nm Speed Range 2500 00 Mbps to 2500 00 Mbps 586 7 C 16 0 dBm sig 0 1 dBm Temperature Rx Pover Tx Pover SFP TRANSMITTER RECEIVER TEST RESULTS Temperature 58 7 C Tx 382 3 daBmfoff 0 1 dABmion Rx 26 7 dBm off 16 1 dBm on pass pass pass D m BER OO00E00 O000E00 O000E00 OO00E00 0000E00 O000E00 O000E00 OO00E00 Results pass pass pass pass pass pass pass pass pass Rate 125000000 155520000 200000000 622080000 1062500000 1250000000 2125000000 2488320000 2500000000 O000E00 2666080000 O000E00 pass 4250000000 ia 8 1156E 03 na Note na indicates the device is not specified at this speed ooo0oo0o0c0c0c0c 0c 0f oo 0 ood oo oOo 0 0 Diagnosite Registers 00 01 02 03 04 05 06 64 00 ec OO Sa OO f 9c 40 Ob bb 66 b Od wee all test passed eae Tested by Eye BERT Micro www spectronixine com Read SFP Registers and Test SFP Results Eye BERT Micro Log file 5 4 2011 Rx Power Time Rate Pattern Temp C dBm Count Errors BER 9 47 07 AM 2 49E 09 PRBS31 44 3 24 a9 2 53429E 12 0 O 9 47 08 AM 2 49E 09 PRBS31 44 1 2 A8 2 53673E 12 O 0 9 47 09 AM 2 49E 09 PRBS31 44 2 24 7 2 93918E 12 O O 9 47 10 AM 2 49E 09 PRBS31 44 3 at 2 54163E 12 0
6. S 2531 1 K28 5 CJTPAT CRPAT CSPAT Repeat Frequency Generator Mode MHz MAMA 124 416 248 832 622 080 1244 160 Peete E E Ee e o eaa ps www spectronixinc com Page 2 Eye BERT Micro User s Guide V 1 20 The Eye BERT Micro has three modes of operation Bit Error Rate Test mode Repeater mode and Frequency Generator mode In repeater mode the input signal is simply looped through the SFP and retransmitted this is the power up default In bit error rate test mode the Eye BERT Micro generates the specified pattern bit rate while the detector attempts to synchronize to the pattern and count the bit errors Note the Eye BERT Micro pattern detector will only synchronize with its own pattern generator In frequency generator mode a 50 50 square wave is generated at the specified frequency The frequency generator makes use of the programmable pattern generator to create 5 different frequencies at ratios of 40 20 10 4 2 In this mode the pattern detector can be used to test at an effectively lower bit rate but the detector will over sample the received signal at the full rate The table below describes the status indicators Indicator Description Connection Green indicates that the application is communicating with the Eye BERT Micro on the indicated COM port Lo Green indicates logging is in process with the number of samples g seconds shown d Green No loss of signal is reported by the SFP igna j Red A loss of s
7. a standard or custom bit rate using Frequency e The frequency generator tools strip values will update with five Generator Mode different frequencies select the desired frequency Reset the error e Press the History button history and bit l errortate e Alternatively press the bit error rate display Get information e Press the Read SFP button to decode and display the SFP about the SFP Information and Diagnostic Registers pop up window shown transceiver below www spectronixinc com Page 4 Eye BERT Micro User s Guide V 1 20 Description Test an Module SFP SFP Information and Diagnostics BFP Vendor Part Number SN Date Code Diagnostics Media Wavelength Speed Range Temperature Rx Power Tx Power Information OE SOLUTIONS RSP25ML1 ST3 52101P74200001 10 19 07 External Calibration Sum 40 kon 1310 00 nm 2500 00 Mbps to 2500 29 4 C 17 1 dBm sig 0 0 dBm Registers Procedure e Press the Test SFP button to perform automated testing on an SFP transceiver The test first reads the SFP registers then performs bit error rate testing on the device based on the values read A detailed test report is displayed within 20 seconds Note testing requires a loopback cable and attenuator be attached between the input and output of the module Failure to properly attenuate the loopback may result in poor performance or damage to the transceiver O
8. h the SFP calibration values Supports internal and external calibration The table below describes the controls Description Procedure e Press the Connection button to automatically search for the device and begin communications Connect to The Eye BERT Micro e Alternatively select the proper COM port using the drop down list this is useful when more than one unit is connected to the same computer e Press the gray Log button to start logging data A dialog box will Start Stop prompt the user for a file name after clicking OK logging will Logging begin The data is stored in an Excel compatible CSV file e Pressing the green Log button again will terminate the logging Select a bit rate e Select one of the preprogrammed standard bit rates from the tool strip buttons e Enter the desired bit rate in the Custom bit rate text box and press the Custom button The bit rate is specified in Mbps with 1 bps resolution Choose a custom rate e Select one of the preprogrammed standard patterns or Repeater Mode from the tool strip buttons Note the CUTPAT CRPAT and CSPAT patterns are not supported by the pattern detector these are intended for jitter testing only Select a Pattern e Enter any 40 bit pattern in the Custom pattern text box and press the Custom button The pattern is specified as a 10 character Hex string Choose a custom pattern Generate a signal Select
9. ignal condition is reported by the SFP Green The BERT pattern detector is synchronized with the selected pattern Red The correct pattern was not detected E Green No errors were detected during the last reading rror Red At least one error was detected during the last reading Green No errors since the last reset History Red At least one error has been detected since the last reset Indicates that the device cannot generate the specified bit rate frequency This error should only occur at some custom rates When this error is active the measurements should be discarded as they may not be accurate Frequency Error The table below describes the measurement fields Measurement Description Bit Error Rate number of bits errors total bit count Total number of bit errors since the last reset Count Total number of bits tested since the last reset Actual test time since the last rest bit count bit rate Received optical power dBm as reported by the transceiver Receive Power compensated with the SFP calibration values supports internal and external calibration Received optical power dBm as reported by the transceiver Transmit Power compensated with the SFP calibration values supports internal and external calibration www spectronixinc com Page 3 Eye BERT Micro User s Guide V 1 20 Measurement Description Internal SFP temperature C as reported by the transceiver Temperature compensated wit
10. onix or SERIAL DEMO entry under Other Devices and select Update Driver At this point you will be able to browse to the location of the driver Optional The Eye BERT Micro emulates a serial port via USB When the device is plugged into a USB port Window automatically assigns it a COM port number This COM port is then used to communicate with the device In order to determine what COM port Windows has assigned to the Eye BERT Micro right click on my computer and select properties In the properties window select the hardware tab Click on device manager and expand the Ports COM amp LPT item Locate the Spectronix Inc entry and note the assigned COM number ie COM3 Install the Eye BERT Micro Application m The Eye BERT Micro application requires Microsoft NET Framework 4 This esanen meme application will automatically be downloaded and installed over the internet if Pease contact your stem sins required during the installation process If the installation fails or if a network O connection is not available manually install the NET Framework from the MS NET Framework 4 directory on the CD then reinstall the application Using the Supplied Eye BERT Micro Application The Eye BERT Micro Application is able to determine which port Windows has assigned to the Eye BERT Micro and then automatically begin communicating with it The Eye BERT
11. the mounting flanges first remove the rubber feat from the enclosure Observing proper ESD protection remove the panel on the USB Power plug side of the enclosure using a 10 Torx driver making sure that the PCB inside the enclosure does not move or slide out Slide the dove tail flanges in to the rails as shown and reattach the rear panel Observing ESD precautions install an MSA compliant SFP transceiver into the Eye BERT Micro making sure it is completely seated See SFF INF 8074 for more details Installing the USB Driver and Powering the Unit On In order for Windows to recognize the Eye BERT Micro the USB driver must first be installed after which the Eye BERT Micro appears as an additional COM port on the computer Currently Windows XP Vista and 7 are supported www spectronixinc com Page 1 Eye BERT Micro User s Guide V 1 20 1 Copy the file cdc_NTXPV764 inf from the supplied CD to the hard drive Connect power to the Eye BERT Micro using the supplied 5VDC adapter Plug the Eye BERT Micro into a free USB port When the hardware installation wizard asks for the driver location browse to the cdc_NTXPV764 inf location on the hard drive and complete the installation Note on some operating systems such as Window 7 manual USB driver installation may be necessary If the hardware installation wizard fails go to My Computer gt Properties gt Hardware gt Device Manager and find the Spectr
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