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KYX-15
Net Control Device - this page is a stub - wanted item

KYX-15 is a portable battery-operated key storage and transfer device, also known as a Net Control Device, developed around 1976 by the US National Security Agency (NSA). It can store up to 16 keys of 128 bits each, and can be filled by a KOI-18, KYK-13 or by another KYX-15. When connected to COMSEC (radio) equipment, it can be used for Advanced Remote Keying. Also known by its National Stock Number (NSN) 5895-01-026-9619.

At present we do not have a picture of the KYX-15.


Connections
FILL
Below the hinged lid of the KYX-15 is a 6-pin U-229 connector (actually a U-283/U). By means of a fill cable, this receptacle can be connected to a crypto device, to a key transfer device like the KYK-13, or to another KYX-15. Below is the pinout when looking into the receptacle. Note that this device does not support the REQ/ACK signal on pin C.

  1. GND
    Ground
  2. GND
    Ground
  3. -
    unused
  4. DATA
    Fill data
  5. CLK
    Fill clock
  6. -
    unused
Specifications
KYX-15
  • Device
    Net Control Device (fill deice)
  • Purpose
    Key storage and distribution
  • Model
    KYX-15
  • Year
    1976
  • Country
    USA
  • Developer
    NSA
  • NSN
    5895-01-026-9619
  • Designator
    ON190303
  • Classification
    Unclassified CCI
  • Interface
    DS-102
  • Key length
    128 bits (including checksum)
  • Checksum
    8-bit CRC
  • Backup
    6V, BA-1372/U, BA-5372/U
  • Dimensions
    280 × 115 × 45 mm
  • Weight
    1.5 kg
KYX-15A
  • Model
    KYX-15A
  • NSN
    5810-01-095-1312
  • Designator
    ON274276
References
  1. Jerry Proc and contributors, KYX-15
    Visited 28 April 2024.
Documentation
  1. Operator's and Maintenance Manual for KOI-18, KYK-13 and KYX-15
    TM-11-5810-292-13&P. US Army, 31 May 1989.

  2. CSESD-11
    Communications Security Equipment System Document for Fill Devices

    NSA, date unknown. Unclassified parts only. #CM303091/B.
Further information
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Crypto Museum. Created: Friday 26 April 2024. Last changed: Saturday, 27 April 2024 - 07:45 CET.
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