9334-011 SCSI Differential Drawer Expansion Unit

           Cabling example for SCSI-2 Differential Controller Type 4-2
                           (Not High Availability)

                                          Expansion Rack

            _1________________              __________          No Y-Cable
           |                  |______2_____| 9334-011 |__       is used
           |                  |            |__________|  |
           |_______          _|             __________   3
                   ||||||||_|             4| 9334-011 |__|
                                           |__________|

  ___________________________________________________________________________
 |    Part Description                        |    FC     |   P/N   | Length |
 | 1- SCSI-2 Differential Controller Adapter. | #2410     | 43G0176 |        |
 | 2- Cable Adapter-to-Device _______________ | #2921     | 67G0593 | 4.75m  |
 |                                       |___ | #2923     | 95X2494 | 8.0 m  |
 | 3- Cable Drawer-to-drawer................. | #2925     | 95X2492 | 2.0m   |
 | 4- Terminator 50-pin Low Density.......... | #2847/9133| 79X3795 |  N/A   |
 |____________________________________________|___________|_________|________|



         High Availability for SCSI-2 Differential Controller Type 4-2
                 ___________                         ___________
         3| _   |_________  |                       |           |
             |__|    1    | |                       |           |
         _  _|2 ||||||||__| |                       |           |
        |       |___________|                3|__   |_________  |
        |__4___|| 9334-011  |__                  |__|    1    | |
                |___________|  |_____4___________|2 ||||||||__| |
                | Unit in   |                       | Rack      |
                | System A  |                       | System B  |
                |___________|                       |___________|

   ___________________________________________________________________________
  |                                             |  FC     |   P/N   | Length  |
  | 1- SCSI-2 Differential Controller Type 4-2  | #2410   | 43G0176 |         |
  | 2- Y-Cable ................................ | #2422   | 52G7348 |  0.765m |
  | 3- Terminator.............................. | #2422   | 52G7350 |         |
  | 4- Cable  to 9334-011..............________ | #2921   | 67G0593 |  4.75m  |
  |                                        |___ | #2923   | 95X2494 |  8.0m   |
  |_____________________________________________|_________|_________|_________|

                        High Availability  ( Continued )
       __________                                             __________
      | Rack     |                __________                 | Rack     |
      | System A |               |Expansion |                | System B |
      |  ________|    __ 3       |Rack      |        3 __    |_________ |
      | ³   1    |_2_|           |__________|            |_2_|    1    ||
      | ||||||||||   |_______4___| 9334-011 ____4________|   |_||||||__||
      |__________|               |__________|                |__________|
                                 |__________|

   ___________________________________________________________________________
  |                                             |  FC     |   P/N   | Length  |
  | 1- SCSI-2 Differential Controller Type 4-2. | #2410   | 43G0176 |         |
  | 2- Y-Cable ................................ | #2422   | 52G7348 |  0.765m |
  | 3- Terminator.............................. | #2422inc| 52G7350 |         |
  | 4- Cable Adapter-to-first 9334-011......... | #2921   | 67G0593 |  4.75m  |
  |                                             | #2923   | 95X2494 |  8.0m   |
  |_____________________________________________|_________|_________|_________|



                        High Availability  ( Continued )

                         __________     _________5___________
    _________      3    |Expansion |   |       _________     |      _________
   | ________|  __|T    |Rack      |   |_ _   |_______  |    |__ 2 |________ |
   ||1       |_|        |__________|       |__|       | |       |__|       1||
   ||________| |__||_4__| 9334-011 |__4__ _|2 |_______| |     __|  |________||
   |Rack     |          |__________|          |Rack     |    3     |Rack     |
   |System A |          |__________|          |System B |          |System C |
   |_________|                                |_________|          |_________|
   ___________________________________________________________________________
  |                                             |   FC    |   P/N   | Length  |
  | 1- SCSI-2 Differential Controller Type 4-2  | #2410   | 43G0176 |         |
  | 2- Y-Cable ................................ | #2422   | 52G7348 |  0.765m |
  | 3- Terminator.............................. | #2422inc| 52G7350 |         |
  | 4- Cable Adapter-to-first 9334-011......... | #2921   | 67G0593 |  4.75m  |
  |                                         |.. | #2923   | 95X2494 |  8.0m   |
  | 5- Cable, system-to-system ................ | #2423   | 52G7349 |  2.5m   |
  |___________________________________________________________________________|




     Cabling example for SCSI-2 Differential Fast/Wide Adapter/A Type 4-6
                           (Not High Availability)

                                            __________
            __________________             |__________|         No Y-Cable
           |SCSI Adapter      |____________| 9334-011 þ__       is used
           |                  |            |__________|  |
           |_______          _|            |__________|  3
                   |_||||||||            4 | 9334-011 þ__|
                                           |__________|
                                           |__________|
   ___________________________________________________________________________
  |    Part Description                        |  FC       |   P/N   | Length |
  | 1- SCSI-2 Differential Controller Adapter. | 2413      | 65G7315 |        |
  | 2- Cable Adapter-to-Device .........._____ | 2922/9222 | 52G4327 | 4.75m  |
  |                                       |___ | 2924/9224 | 88G5757 | 8.0 m  |
  | 3- Cable Unit-to-Unit..................... | 2925/9225 | 95X2492 | 2.0m   |
  | 4- Terminator 50-pin Low Density.......... | 2847/9133 | 87G1356 |  N/A   |
  |___________________________________________________________________________|



     High Availability Narrow for SCSI-2 Differential Fast/Wide Type 4-6
                 ____________                         ____________
        3 |__   |__________  |               3 ___   |__________  |
             |__|     1    | |                    |2_|     1    | |
         ____|  |__________| |          __________|  |__________| |
        |       |            |         4             |            |
        |       |____________|         |             |            |
        |__4____|  9334-011  |_________|             |            |
                |____________|                       |            |
                | Rack       |                       |  Rack      |
                | System A   |                       |  System B  |
                |____________|                       |____________|
   ___________________________________________________________________________
  |                                             |  FC     |   P/N   | Length  |
  | 1- SCSI-2 Differential Fast/Wide Type 4-6...| #2416   | 65G7315 |         |
  | 2- Y-Cable .................................| #2427   | 52G4349 |  0.765m |
  | 3- Terminator...............................| #2422   | 52G7350 |         |
  | 4- Cable/ To 9334-011.......................| #2922   | 52G4327 |  4.75m  |
  |                                             | #2924   | 88G5757 |  8.0m   |
  |___________________________________________________________________________|



        _______________________________________________________________
       |       Devices Name                          P/N    FFC    FC  |
       |---------------------------------------------------------------|
       | 1 gb SCSI-2 Differential Disk Drive...... 6374682  913  #2565 |
       | 2 gb SCSI-2 Differential Disk Drive...... 86F0119  912  #2585 |
       |_______________________________________________________________|