Cables only carry a single cable group, unless each cable group belongs to a different subunit.
Topic
Common cable reticulation systems and conduits
Applicable to
Non Classified, Official, Protected, Secret, Top Secret
History
Priority
must
Mar 2023
Removed
An existing control relating to fibre optic cables carrying only a single cable group was rescinded due to overlapping coverage with other controls.
Mar 2021
With fibre-optic cables, the fibres in the sheath only carry a single cable group.
Security control 0189 was amended to ensure consistency of terminology.
Jan 2021
With fibre-optic cables, the fibres in the sheath only carry a single group.
2015
With fibre optic cables the fibres in the sheath, as shown below, must only carry a singlegroup.
2010
With fibre optic cables the fibres in the sheath, as shown below, must only carry a single group.
2008
With optical fibre cables, the cable’s protective sheath can be considered to be a conduit and therefore the fibres within the sheath must only carry a single group.