Glossary

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C
C*
C1
C2
C3
C3I
C4
CA
Can
Cat
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CDS
CF
CFD
CFE
CI
CIA
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CIP
CK
CKG
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CM
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CN
CNK
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Cpi
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Closed User Group
  • A group of specified users of a data network that is assigned a facility that permits them to communicate with each other but precludes communications with all other users of the service or services. A user data terminal equipment may belong to more than one closed user group. (FP) (ISO) See also data, facility (defs. # 2 & 3).