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
all
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An existing control relating to fibre optic cables carrying only a single cable group was rescinded due to overlapping coverage with other controls.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.