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21
（
3
）、
This system is weak power system,so don’t use the same cable with
strong power
，
when it come across strong power,make sure the distance
between them is over 30cm or add a severance between them.
（
4
）、
The wiring connection must be with the same color
。
Don’t cut off the
grounding shielding(iron) wire.If it must be cut off because of construction,then
please reconsider after finishing the construction
。
The iron wire at the bottom
of the floor must be grounded
。
（
5
）、
All the connector must solder with tin to make sure the contact is
good.And add a thermal unit to protect it.
（
6
）、
For the convenience of construction and aegis,the wiring of terminal
must connect with right number.
Wiring
Wiring
Wiring
Wiring
Attentions
Attentions
Attentions
Attentions
1
、
Door Station,Network Switcher and Audio & Video Switcher should use
UPS seperately.
2
、
The balance point of managing center and door station is affected by the
lenth of cable.So you must re-adjust the balance Potentiometers
3
、
When there are more than one Audio and Video Switcher parallel
connect with one door station,there are many series of cable bus to Network
Module.In this condition,each cable bus can’t use the same electric cable,or
else it will interfere with each other.
4
、
There can’t be too long branch in 485 data bus and video bus.This
branch can cause signal reflex and data line mistake or two video pictures.It
will be better to use series connection,that’s the branch connector is in the
wiring terminal of each equipment.
5
、
The type and cross-sectional area of the wire, see table5.1.Please don’t
use wire with small cross-sectional area to instead of those wires with
big.Because the wire with big cross-sectional will enlarge the electric capacity
and assure performance of the system
Summary of Contents for CS-12V
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