This feature on the Model L22 or D22 Frame indicates that 3592 Model
J1A Tape Drives will be connected to 3592 Model J70 Controller through
an external customer-supplied fibre channel switch.

The customer is responsible for providing the cables from the 3592
Model J70 installed in a Model D24 Frame to a
customer-supplied fibre channel switch. (Cables from the switch or
controller to the 3592 Model J1A Tape Drives can be ordered with the 3592
Tape Drives or supplied by the customer.)

This feature on the frame indicates that the customer is providing
the cables from the 3592 Model J70 to a customer supplied fibre
channel switch and cables from the switch or controller
to the 3592 Model J1A tape drives.

• Feature type: No Charge
  
• Required feature: No
  
• Maximum number of features: One.
  
• Installation: Plant Only
  
• Prerequisites: Feature #3491 or #9491 is required
  on the 3592 Model J70 Controller and the 3494 Model D24 Frame.
  (This feature is not supported on a frame with a 3590 Model
  A60 Controller.) This feature is mutually exclusive with
  Features #3491, #4065, #4075, or #4085.
  

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  (#1901) Dual AC Power

  
  

  This feature provides a power switch to allow connection of two line
  cords to two independent branch power circuits. Two line cords, instead
  of a single line cord, of the default or specified line cords
  (either 110 V ac or 220 V ac) are provided when feature #1901 is ordered.
  The power switch monitors the ac line voltage on the primary power
  line and automatically switches to the alternate ac line feed
  if the incoming voltage is lost in a 3494 Tape Library that has
  the 3494 Model HA1 High Availability Frames installed.
  

  
  
  • Maximum number of features: One.
    
  • Required feature: No.
    
  • Prerequisite: None.
    
  • Plant or Field Installation.
    
  
  

  (#3060) 3592 Drive-to-Switch Cables

  
  

  This feature provides the necessary hardware and
  Fibre Channel cables between a 3592 Tape Drive and
  each 2Gb Fibre Channel Switch feature (#3487)
  in a 3494 Model D22 Frame for connection to a VTS Model B10 or B20.
  One of these features should be specified for each 3592 Tape Drive
  in a 3494 Model D22 that is to be attached to the associated VTS.
  Up to 12 3592 Tape Drives can be attached to a VTS.
  

  
  
  • Maximum: 12.
    
  • Corequisite: Feature #3486 (2Gb Fibre Channel Attachment)
    and two of feature #3487 (2Gb Fibre Channel Switch) on the Model D22,
    and feature #5238 (3592 Drive Attached to VTS) on the associated
    VTS Model B10 or B20.
    
  • Plant or Field Installation.
    
  
  

  (#3486) 2Gb Fibre Drive Attachment

  
  This feature is required on the 3494 Model D22 Frame that contains
  a 2Gb Fibre Channel Switch feature (#3487) for attachment of
  3592 Tape Drives to a VTS Model B10 or B20.
  It provides the required mounting hardware and
  instructions for installing two 2Gb Fibre Channel Switches in the
  3494 Model D22. Up to 12 3592 Tape Drives in the Model D22 Frame
  can be attached to the VTS.
  
  
  
  • Required feature: No.
    
  • Maximum number of features: One.
    
  • Corequisites: Feature #3060 (3592 Drive-to-Switch Cables) and
    two of feature #3487 (2Gb Fibre Channel Switch).
    
  • Plant or Field Installation.
    
  
  

  (#3487) 2Gb Fibre Channel Switch

  
  

  This feature provides one 2Gb Fibre Channel Switch with 14 LC
  Shortwave ports for attachment of up to 12 3592 Model J1A Tape Drives
  in a 3494 Model D22 Frame to its associated VTS Model B10 or B20.
  Two 2Gb Fibre Channel Switches are required to attach the 3592 Tape
  Drives in the Model D22 to a VTS.
  The 2Gb Fibre Channel Switch has dual
  power connection for attachment to separate power supplies.
  

  
  
  • Required feature: No.
    
  • Maximum number of features: Two.
    When 3592 Tape Drives are to be attached to a VTS, two of these
    features must be ordered.
    
  • Corequisites: Feature #3060 (3592 Drive-to-Switch Cables) and
    feature #3486 (2Gb Fibre Channel Attachment).
    
  • Plant or Field Installation.
    
  
  

  (#3491) External Fabric Support Field

  
  

  This feature on the frame indicates that 3592 Model J1A
  Tape Drives will be connected to 3592 Model J70 Controller through
  an external customer-supplied fibre channel switch.
  

  The customer is responsible for providing the cables from the 3592
  Model J70 installed in a Model D24 frame
  to a customer-supplied fibre channel switch. (Cables from the switch or
  controller to the 3592 Model J1A Tape Drives can be ordered with the 3592
  Tape Drives or supplied by the customer.)
  

  
  
  • Feature type: Chargeable
    
  • Required feature: No
    
  • Maximum number of features: One.
    
  • Installation: Field Only
    
  • Prerequisites: Feature #3491 or #9491 is required
    on the 3592 Model J70 Controller and the 3494 Model D24 Frame.
    (This feature is not supported on a frame with a 3590 Model
    A60 Controller.) This feature is mutually exclusive with
    Features #4065, #4075, #4085, or #9491.
    
  
  

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  80a920,942
  

  (#4085) Adjacent Frame 2Gb 3592

  
  

  This feature provides the hardware and installation instructions
  to support attachment of 3592 Model J1A Tape Drives in a 3494 Model
  L22 or D22 Frame to a 3592 Model J70 Controller with the 2Gb Fibre
  Channel Switch in an adjacent Model D24 Frame. Up to 16 3592 Tape
  Drives can be attached to the 3592 Model J70, up to eight in the Model
  D24 Frame and up to four in the Model L22 or eight in the Model D22
  Frame. This feature enables a Fibre Channel cable from each tape drive
  to a LC Duplex connector on the 2Gb Fibre Channel Switch in the
  Model D24 Frame with the 3592 Model J70 Controller to be included
  based on the number of drives installed in this frame.
  

  
  
  • Feature type: Chargeable
    
  • Required feature: No
    
  • Maximum number of features: Two.
    
  • Installation: Plant or Field
    
  • Prerequisites: One feature number 3487 or 4887 must be ordered
    on the J70 controller in the adjacent frame for each of these
    features ordered. Order one #4085 if the 3494 Model D24 has
    #3486 only, two if the Model D24 has #3486 and #3490.
    This feature is mutually exclusive with Features #3491, #4065, #4075, or
    #9491.
    
  
  

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  31a994,1008
  

  (#5184) Ethernet Attached Serial Hub

  
  

  This feature provides two Ethernet Attached Serial Hubs (EASH)
  for Ethernet connection of open system attached tape drives in this
  frame to the library manager (LM) in the 3494 Model Lxx Frame.
  Up to 96 tape drives in the 3494 can communicate through an EASH
  connection to the LM.
  Each EASH can be attached to separate power supplies for
  improved availability.
  

  
  
  • Required feature: No.
    
  • Maximum number of features: One.
    
  • Corequisites: Feature #9184 (EASH Enablement) must be installed
    on the 3494 Model Lxx.
    
  • Plant or Field Installation.
    
  
  

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