Appx.1-2
<Toc> <Ind>
<Appendix 1. Details on Network Configuration >
IM 34M6H28-01E
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Maximum cable length
The maximum allowable node distance is called the maximum cable length.
Maximum cable lengths according to the type of cable used are given in Table 1.1.
Table 1.1 Maximum Cable Length
Data rate
Thick cable
Thin cable
125 kbps
500 m
250 kbps
250 m
100 m
500 kbps
125 m
TA0101.EPS
For instances where both thick and thin cables are used, see Figure 1.2 for maximum cable
length.
0
0
50
100 150 200 250
Length of thick cable used (m)
L (thick) + 5 X L (thin) = 500
L (thick) + 2.5 X L (thin) = 250
L (thick) + L (thin) = 100
L (thick) and L (thin) are the length of thick and
thin cables respectively.
at 125 kbps
at 250 kbps
at 500 kbps
Length of thin cable used (m)
250 kbps
125 kbps
500 kbps
300 350 400 450 500
20
40
60
80
100
FAP0102.EPS
Figure
1.2
Maximum Cable Length
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Maximum length of drop line
The maximum length of individual drop line is 6 m. However the total length of the
drop line generally changes with the data rate.
Node
Node
6 m max.
Trunk line
Node
FAP0103.EPS
Figure 1.3
Maximum Drop Line Length
1st Edition : Feb.01,1999-00
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