Table of Contents
Advertisement
L2 Managed Switch
09
Lightning Protection
Downloaded from
ManualsNet.com
Requirements for the distance between Ethernet cable and other pipelines are shown
■
in the table.
Other Pipelines
Down-conductor
PE
Service pipe
Compressed air pipe
Thermal pipe (not wrapped) 500
Thermal pipe (wrapped)
Gas pipe
The two diagrams below demonstrate parallel net length and parallel-overlapping net
height.
Note: The above minimum net length/height is required when metal raceway is not
used. If any requirements cannot be met, you can add a steel tube or metal raceway
for shielding.
Requirements for the distance between Ethernet cable and high-power electric
■
devices are in following tables.
Cable
<2kVA
powerline
2~5kVA
powerline
>5kVA
powerline
Device
Switch case
Transformer room
Elevator tower
Air-conditioner room
search engine
Min Parallel Net Length
L (mm)
1000
50
150
150
300
300
Pave Way
Parallel cabling
One is in the grounded metal raceway or metal pipe
The both are in the grounded metal raceway or metal pipe
Parallel cabling
One is in the grounded metal raceway or metal pipe
The both are in the grounded metal raceway or metal pipe
Parallel cabling
One is in the grounded metal raceway or metal pipe
The both are in the grounded metal raceway or metal pipe
Min Distance (m)
1.00
2.00
2.00
2.00
Ethernet Cable
Min Parallel-overlapping Net Height
H (mm)
300
20
20
20
500
300
20
Min Parallel
Length (mm)
130
70
10
300
150
80
600
300
150
Advertisement
Table of Contents
