SSA Option 7025-F50



                 RS/6000 System
     _________________________________________     .---7133 SSA Disk----.
    |    Media Bay           SSA Adapter      |    |   Subsystems       |
    |   __________           ____________     |    |(48 SSA disk drives)|
    |  | SCSI Disk|         | PCI SSA    |>--------'    SSA Loop #1     |
    |  | w/system |         | 4-Port RAID|>-----------------------------'
    |  | Boot code|         | (#6218)    |>------------.  (#2453-internal/
    |  +----------+         | (#6215)    |>-. |        |   external)
    |  (#3005) or           |____________|  | |        |   or
    |  (#2900 and #6509)                    | |        |  (#2450-internal
    |                        _______________| |        |        only)
    |                       |                 |     7133 SSA
    |    ___________________|__               |   Disk Subsystem
    |   |#1 SSA 6-Pack Bk Pln  |  (#6538-sel) |(48 SSA disk drives)
    |   |______________________|  (#6539)     |    SSA Loop #2
    |                       |                 |        |
    |    ___________________|__               |        |
    |   |#2 SSA 6-Pack Bk Pln  |  (#6539)     |        |
    |   |______________________|              |        |
    |                       |                 |        |
    |    ___________________|__               |        |
    |   |#3 SSA 6-Pack Bk Pln  |  (#6539)     |        |
    |   |______________________|              |        |
    |                       |__________________________|
    |_________________________________________|



 SSA Bulkhead connector Assembly 93H9823
 ( missing in F50 Service Guide )

 EXTERNAL CABLING SSA adapter to SSA backplane
 ___________________________
|7025       ________________|
|F50       |4-J #6218)     B2______
|          |4-N #6215)     B1___   |
|          |4-P #6225)      |   |  |
|          |4-P #6230)     A2   |  |
|          |___          __A1   C  C
|              ||||||||||   |   |  |
|                           |   |  |
|  ________D________________F___|  |
| |  ____________          _F______|
| | |    SSA     |        | F
| |_| Back Plane |_       | |   C 93H4340
|   |____________| |      | |   D 93H9822
|                  |      | |   E 93H4341
|  ________E_______|      | |   F 93H9823
| |  ____________         | |  (Bulk connector)
| | |    SSA     |        | |
| |_| Back Plane |____D___| |
|   |____________|          |
|___________________________|
    BC=Bulk Connector
 INTERNAL CABLING SSA adapter to SSA backplane
 _____________________________
|          ___________________|  Since internal used
|         |           ___B2  B2  must not connect
|         |4-J #6218 |  _B1  B1  external B1-B2 !
|         |4-N #6215 | |      |
|         |only      | |     A2
|         |__________|_|____ A1
|                    | |      |
|   _______D_________| |      |
|  |  ____________     |      |   D 93H9821
|  | |    SSA     |    |      |   E 93H4341
|  |_| Back Plane |__  |      |
|    |____________|  | |      |
|                    | |      |
|   _______E_________| |      |
|  |                   |      |
|  |  ____________     D      |
|  | |    SSA     |    |      |
|  |_| Back Plane |____|      |
|    |____________|           |
|_____________________________|
SSA Diagrams provided by Mathias Mueller Updated Nov 21 2000 by Bruno Croft