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About This Item

 

Full Description

Characteristics of 12,7 mm wide magnetic tape with reel, to enable mangnetic and mechanical interchangeability of such tape between information processing systems.

All current amendments available at time of purchase are included with the purchase of this document.
 

Document History

  1. BS EN 21864:1994


    Information technology. Unrecorded 12,7 mm (0,5 in) wide magnetic tape for information interchange. 32 ftpmm (800 ftpi) NRZ1, 126 ftpmm (3 200 ftpi) phase encoded and 356 ftpmm (9 042 ftpi) NRZ1

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  2. BS EN 21864:1991

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    Information processing. Unrecorded 12,7 mm (0.5 in) wide magnetic tape for information interchange. 32 ftpmm (800 ftpi) NRZ1, 126ftpmm (3 200 ftpi) phase encoded and 356 ftpmm (9 042 ftpi), NRZ1

    • Historical Version