Chapter 4 Deployment of the CPU 821xNET
CPU ADAM 821x
4-8
ADAM 8000 Manual CPU 821x – Rev 1.1
There are a few restrictions and rules that have to be taken into account
using twisted-pair:
•
Maximum number of hub elements per segment
2
•
Maximum length of one segment
100m
•
What is the size of the area that has to be served by the network?
•
How many network segments provide the best solution for the physical
(space, interference related) conditions encountered on site?
•
How many network stations (PLCs, IPCs, PCs, transceivers, bridges, if
required) shall be connected to the cable?
•
What is the distance between the different stations on the network?
•
What is the expected “growth rate” and the expected number of
connections that shall be catered for by the system?
Draw a diagram of the network. Identify every hardware item (i.e. station
cable, hub). Observe the applicable rules and restrictions.
Measure the distance between all components to ensure that the maximum
length is not exceeded.
Restrictions
Analyzing the
network
requirements
Drawing a
network diagram