UFC 4-021-02NF
27 September 2006
change 1, 23 October 2006
intent was to provide requirements for an access card that could store enough data to
determine information such as the individual cardholder, from which branch of the
military the card was issued, and from which base the card was issued, all within the
available 40 digits of data storage. The DoD's specification for the CAC is based on the
SEIWG standard. To meet the SEIWG standard, three important issues beyond the
card and reader must also be addressed:
The access control software must address the complete SEIWG specification.
The field panel must handle the 40 digits information resident to the CAC.
The communication between the card reader and the field panel must be secure.
Sensitive Compartmented Information (SCI). Classified information concerning or
derived from intelligence sources, methods, or analytical processes that is required to
be handled within formal access control systems established by the Director of Central
Intelligence.
Sensitive Compartmented Information Facility (SCIF). A facility capable of storing
Sensitive Compartmented Information (SCI) material. Requirements for these facilities
are defined in Director of Central Intelligence Directive 6/9, Physical Security Standards
for Sensitive Compartmented Information Facilities.
Time Domain Reflectometry (TDR). Use of sending an electronic signal down a
conductor (wiring or cabling) and measuring the time it takes for the signal or part of the
signal to return to determine the location of a conductor flaw or disturbance. The
signal's reflection begins at the flaw or disturbance point. Once the signal returns, time
is converted to distance, then divided by the speed of light, multiplied by the proper
velocity of propagation, and the result in divided by two. As used in Intrusion Detection
Systems, it is a technology for a fence mounted system that detects intruders climbing
or flexing the fence fabric (and thereby inducing a conductor flaw).
Uninterruptible Power Supply (UPS). A power supply system that includes a rectifier,
battery, and inverter to maintain power in the event of a power outage. UPS systems
are specified by hours of operation to sustain power during an outage (six hours, ten
hours, or twenty-four hours). UPS systems can be standby power systems or on-line
systems. Typically, a centralized UPS is not a mandated requirement for an ESS
project.
Wide Area Network (WAN). An internetwork that uses telecommunication links to
connect geographically distant networks.
Acknowledgement: A computer dictionary called "Webopedia" was used for some of the definitions used
in this glossary. Webopedia is found at http://webopedia.com/.
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