JGR MBR5 User Manual
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JGR MBR5 User Manual

Multi-output backreflection meter
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MBR5 Multi-Output
Backreflection Meter
 
All   information   contained   herein   is   believed   to   be   accurate   and   is   subject   to  
change   w ithout   n otice.     N o   r esponsibility   i s   a ssumed   f or   i ts   u se.  
© JGR   O ptics   I nc,   2 015.
User Manual

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Summary of Contents for JGR MBR5

  • Page 1   w ithout   n otice.     N o   r esponsibility   i s   a ssumed   f or   i ts   u se.   © JGR   O ptics   I nc,   2 015.

  • Page 3: Table Of Contents

    EASUREMENTS MBR5   R ev   0 07                                                     i ii    ...
  • Page 4 ROUBLESHOOTING Connector Issues  ....................   3 7     MBR5 Calibration Issues  ..................   3 7 Loss and Reflection issues   ...................   3 8     Long Cables (for single-mode model only)  ............   3 9 Laser Stability  ...
  • Page 5 IEEE-488.2 Common Commands  ................   5 2   SCPI Commands   ....................   5 6   JGR Legacy Device Specific Commands   ............   6 3   JGR Legacy Device-Specific Command Description   .........   6 3  ...

  • Page 7: Compliance

    Encircled Flux (IEC 61280-4-1) Compliance The   MBR5   meter   meets   the   Encircled   Flux   requirements   defined   in   IEC   6 1280-­‐4-­‐1   –   Installed   cable   plant   –   Multimode   attenuation   measurement  ...

  • Page 8: Compliance

    Standards.   MBR5   R ev   0 07                                                     2    ...

  • Page 9: General Information

      f iberoptic   d evices   ( i.e.   c onnectors,   c omponents,   a nd   s ystems).     The   MBR5   meter   may   be   ordered   as   a   single-­‐mode   or   multimode   model   and  ...

  • Page 10: Measurements

      and   does   not   cause   any   significant   delays.     In   normal   operation,   the   MBR5   m eter   c an   t ake   a pproximately   3   b ackreflection   m easurements   p er   s econd.      ...

  • Page 11: Output Port

    Hybrid Jumpers The   MBR5   meter   is   supplied   with   a   hybrid   measurement   jumper   and   a   hybrid   calibrated   j umper.     T he   m easurement   j umper   h as   a n   A PC   c onnector   a t   t he   i nput  ...

  • Page 12: Key Features

    • MBR5   R ev   0 07                                                     6    ...

  • Page 13: Safety Information

      p recaution   o r   w arning   c ontained   i n   t he  User   M anual   i s   i n   d irect   v iolation   o f   the   standards   of   design,   manufacturing,   and   intended   use   of   the   unit.     JGR  ...

  • Page 14: Classification

    Laser Specifications The   laser   (or   lasers)   contained   in   the   MBR5   meter   is   (are)   Class   1   laser(s)   as   specified  under  the  laser  classification  of  the  US  Food  and  Drug  Administration  ...

  • Page 15: Safety Instructions

    There   a re   n o   u ser-­‐serviceable   p arts   i nside   t he   M BR5   m eter.     O pening   o f   t he   u nit   by   anybody   other   than   an   authorized   JGR   Optics   technician   may   damage   the  ...

  • Page 16: Environmental Hazards

      MBR5   R ev   0 07                                                     1 0    ...

  • Page 17: Getting Started

     of  the  MBR5  Multi-­‐Output  Backreflection  Meter.    It  is  recommended   that   users   of   the   MBR5   familiarize   themselves   with   contents   of   this   manual   before   u sing   t he   i nstrument.  ...

  • Page 18: Operational Requirements

      k eys   a nd   L EDs   i s   p rovided   i n   T able   5   o n   n ext   p age.   MBR5   R ev   0 07  ...

  • Page 19: Rear Panel

    Power   I nput     ( also   c ontains   t he   u ser-­‐replaceable   f use)   MBR5   R ev   0 07                                                     1 3    ...
  • Page 20 #   MBR5   R ev   0 07                                                     1 4    ...

  • Page 21: Operation

    OPERATION Before   the   MBR5   meter   can   be   used   to   make   a   measurement,   the   user   must   setup  the  meter  and  connect  a  reference  a  “measurement  jumper”  to  the  front  ...

  • Page 22: Set-Up For Br Measurements

      v alue.   MBR5   R ev   0 07                                                     1 6    ...

  • Page 23: Measuring Br (Including Connector)

    Figure   7 .   MBR5   R ev   0 07                                                     1 7    ...
  • Page 24   MBR5   R ev   0 07                                                     1 8    ...

  • Page 25: Measuring Br (Excluding The Connector)

      MBR5   R ev   0 07                                                     1 9    ...

  • Page 26: Backreflection Accuracy And Range

      calibration,   so   a   calibration   verification   needs   to   be   performed   MBR5   R ev   0 07                                                     2 0    ...

  • Page 27: Loss And Power Measurements

    11. Repeat   s teps   1 -­‐10   f or   t he   n ext   r equired   o utput   p ort.   MBR5   R ev   0 07                                                     2 1    ...

  • Page 28: Dark Current Measurement

      o f   t he   m eter.     T he   d etector   m ust   b e   e quipped   w ith   t he   MBR5   R ev   0 07  ...

  • Page 29: Measuring Relative Power (Insertion Loss)

    Figure   1 1).   MBR5   R ev   0 07                                                     2 3    ...

  • Page 30: Power Accuracy

    The   absolute   accuracy   of   power   measurements   made   with   the   MBR5   meter   is   dependent   on   the   power   level   to   be   measured.     The   MBR5   meter   does   not  ...

  • Page 31: Termination Techniques

    • MBR5   R ev   0 07                                                     2 5    ...

  • Page 32: Index-Matching Technique (For Multimode Fiber)

      fiber   type   as   described   above.       The   required   number   of   turns   will   vary   with   BR0   value   of   the   MBR5   meter.     Wind   the  ...

  • Page 33: User Menu Operation

      MBR5   R ev   0 07                                                     2 7    ...

  • Page 34: Compatibility With Jdsu Rm3 Or Rx3 Meters

    2. Select   the   “REMOTE   MENU”   option   and   use   the   softkey   to   change   “MBR5   C ommand   S et”   t o   “ Emulate   J DSU   R X3”.   S ave   t his   s election.  ...
  • Page 35 3. The   user   must   also   select   1200bps   transmission   rate   to   enable   communication   between   existing   RX3   software   and   the   MBR5   over   RS-­‐232   i nterface.  ...

  • Page 36: Messages And Symbols

    Display   Description   MBR5   V ER   X .XX   Displayed   m omentarily   d uring   t he   p ower-­‐up   sequence   a nd   i ndicates   t he   f irmware   v ersion.  ...

  • Page 37: Calibration

    Calibration   P eriod   JGR   O ptics   r ecommends   a   1   y ear   c alibration   p eriod   f or   t he   M BR5   B ackreflection  ...

  • Page 38: Programming Guide

    Setting up for RS-232, USB or GPIB communication The   MBR5   Series   backreflection   meter   may   be   remotely   controlled   via   GPIB   (IEEE-­‐488)   and   RS-­‐232   interface.   The   GPIB   interface   of   the   meter   conforms   to  ...

  • Page 39: Programming Over Usb

    Programming   O ver   U SB   It  is  also  possible  to  remote  control  the  MBR5  meter  via  USB  by  using  a  USB  to   DB9   adapter   cable.     The   same   RS-­‐232   commands   are   used   for   USB  ...

  • Page 40: Maintenance And Troubleshooting

    3. Figure   1 5).   MBR5   R ev   0 07                                                     3 4    ...
  • Page 41   t he   p anel.   MBR5   R ev   0 07                                                     3 5    ...

  • Page 42: Cleaning Jumper Connectors

      MBR5   R ev   0 07                                                     3 6    ...

  • Page 43: Troubleshooting

    MBR5   C alibration   I ssues   To  verify  MBR5  calibration,  follow  the  procedure  below.    If  results  are  different   than   t hose   i ndicated,   p lease   c ontact   J GR   O ptics   t o   h ave   y our   u nit   c alibrated.  ...

  • Page 44: Loss And Reflection Issues

    Losses   b efore   t he   D UT   When  a  DUT  is  connected  to  the  MBR5  meter,  insertion  loss  of  the  connectors   before   the   DUT   affects   the   backreflection   reading.     As   light   travels   from   the  ...

  • Page 45: Long Cables (For Single-Mode Model Only)

      i s   d isplayed.   MBR5   R ev   0 07                                                     3 9    ...
  • Page 46   t he   s ource.   MBR5   R ev   0 07                                                     4 0    ...

  • Page 47: Storage And Shipping

      MBR5   R ev   0 07                                                     4 1    ...

  • Page 48: Contact Information

      MBR5   R ev   0 07                                                     4 2    ...

  • Page 49: Specifications

    Specifications   are   provided   here   as   a   reference   only   and   may   be   changed   without   notice.     Please   refer   to   JGR   Optics’s   website   for   the   most   recent  ...

  • Page 50: Remote Control Commands

      b e   e ntered   i n   e ither   u ppercase   c haracters   o r   l owercase   c haracters.   MBR5   R ev   0 07                                                     4 4    ...

  • Page 51: Specifying The Command Path

    WAV   1 310   MBR5   R ev   0 07                                                     4 5    ...

  • Page 52: Implemented Status Structures

    Implemented   S tatus   S tructures   MBR5   m eter   h as   t he   f ollowing   s tatus   d ata   s tructures   i mplemented:   IEEE   4 88.2   d efined   s tandard   r egisters   ( standard   s tatus   s tructure)    ...
  • Page 53 • MBR5   R ev   0 07                                                     4 7    ...

  • Page 54: Queues

      message   are   lost.   However,   the   RS232C   interface   has   no   DAQ   signal   MBR5   R ev   0 07                                                     4 8    ...

  • Page 55: Output Queue

      MBR5   R ev   0 07                                                     4 9    ...

  • Page 56: Ieee 488.2 Common Commands And The Scpi Command Tree

    255   MBR5   R ev   0 07                                                     5 0    ...

  • Page 57: Scpi Command Tree

      MBR5   R ev   0 07                                                     5 1    ...

  • Page 58: Description Of Individual Commands

      MBR5   R ev   0 07                                                     5 2    ...
  • Page 59   MBR5   R ev   0 07                                                     5 3    ...
  • Page 60 Example   *IDN?   R eturns   " JGR   O ptics   I nc.,   M BR5,   X XXXXXX,   Y .YY"   Where:   < XXXXXXX>   =   d evice   s erial   n umber  ...
  • Page 61   MBR5   R ev   0 07                                                     5 5    ...

  • Page 62: Scpi Commands

      MBR5   R ev   0 07                                                     5 6    ...
  • Page 63   MBR5   R ev   0 07                                                     5 7    ...
  • Page 64   MBR5   R ev   0 07                                                     5 8    ...
  • Page 65 BR0:CLEAR   c lears   t he   c ustom   B R0   v alue   MBR5   R ev   0 07                                                     5 9    ...
  • Page 66   MBR5   R ev   0 07                                                     6 0    ...
  • Page 67   MBR5   R ev   0 07                                                     6 1    ...
  • Page 68   MBR5   R ev   0 07                                                     6 2    ...

  • Page 69: Jgr Legacy Device Specific Commands

    Example   :SYST:COMM:GPIB:ADDR?   r eturns   7 .   JGR   L egacy   D evice   S pecific   C ommands   Table   1 0:   D evice-­‐Specific   C ommand   L ist   1,   A BS  ...
  • Page 70   MBR5   R ev   0 07                                                     6 4    ...
  • Page 71   MBR5   R ev   0 07                                                     6 5    ...
  • Page 72 None   MBR5   R ev   0 07                                                     6 6    ...
  • Page 73   MBR5   R ev   0 07                                                     6 7    ...
  • Page 74   MBR5   R ev   0 07                                                     6 8    ...

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