Asset ID:	1-71-1013624.1
Update Date:	2010-03-01
Keywords:

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Solution Type  Technical Instruction Sure

Solution  1013624.1 :   SL8500 - What is an HBT card?  


PreviouslyPublishedAs
219199

Description
The HBT card is the tape drive controller, responsible for translating commands from the library controller (HBC card) into unique drive commands that are transferred across differential RS-422 cables to the tape drives (the TTI interface).

Steps to Follow
* Provides TTI interface to/from the tape drives (RS-422)
* Contains 66 Universal Asynch Receiver/Transmitters (UARTs)
* 64 perform parallel-to-serial conversion for the drives
* 2 communicate with the tape environmental monitor cards (HBD)

Product
SL8500

Robot, Tape drive controller, Library, HBT, SL8500
Previously Published As
STKKB80885
Product_uuid
885cbe90-bdf8-11db-8069-080020a9ed93

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