ZTE Corporation ZXMBW-RA25 用户手册
ZXMBW RA25 Agile 2.5G Remote Radio Frequency Unit Installation Manual
40
Confidential and Proprietary Information of ZTE CORPORATION
Cable/Fiber Installation
Requirements
Requirements
The following requirements must be met for the installation of
cables and optical fibers.
cables and optical fibers.
Cable Installation Requirements
n
The cables installed outdoors must all be PE sheathed cables
in principle. If common cables need to be used in special
cases, the PVC tubes must be used to protect them.
in principle. If common cables need to be used in special
cases, the PVC tubes must be used to protect them.
n
Cables must be laid in good order. Power cables and signal
cables must be laid separately, with spacing over 200 mm in
between.
cables must be laid separately, with spacing over 200 mm in
between.
n
When cables are laid on the iron tower, the cable ties must
be spaced less than 0.5 m, to protect the rocking cable
jackets from rubbing with the iron tower and thus being
damaged.
be spaced less than 0.5 m, to protect the rocking cable
jackets from rubbing with the iron tower and thus being
damaged.
Fiber Installation Requirements
n
Do not bend optical fibers into right angles. The bend radius
of outdoor optical fibers must be 90 mm for the minimum,
and that of indoor optical fibers must be 30 mm for the
minimum.
of outdoor optical fibers must be 90 mm for the minimum,
and that of indoor optical fibers must be 30 mm for the
minimum.
n
If an optical fiber is overlong, the excessive part must be
arranged in the fiber winder. Fibers must not entangle with
each other, for easy identification;
arranged in the fiber winder. Fibers must not entangle with
each other, for easy identification;
n
The optical fibers must go naturally with minimum bends and
without being dragged violently. The binding must be in
proper tightness, and the spacing between cable items must
be less than 0.5 m.
without being dragged violently. The binding must be in
proper tightness, and the spacing between cable items must
be less than 0.5 m.
n
The marks on both ends of an optical fiber must be clear.