Manual VIPA CPU 21x Chapter 4 Deployment of the CPU 21x-2BT10 with TCP/IP
HB103E - Rev. 05/45 4-13
The CP is exclusively used for employment in a Twisted-Pair network.
Within a Twisted-Pair network all participating stations are connected in
star topology via a Twisted-Pair cable to a hub/switch which is also able to
communicate with another hub/switch. Two connected stations are building
a segment where the length of the Twisted-Pair cable between two stations
must be max. 100m.
Hub/
Switch
Hub/
Switch
Twisted Pair cable
At twisted pair cable has 8 conductors
twisted together in pairs. The different
conductors have a diameter of 0.4 to
0.6mm.
For linking please use twisted pair cable
which at least corresponds to the
category 5.
• What is the size of the area that must 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 (SPS, IPC, PC, transceiver, bridges if
required) must 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 must be catered for by the system?
• What data amount has to be handled (band width, accesses/sec.)?
Draw a diagram of the network. Identify every hardware item (i.e. station
cable, hub, switch). Observe the applicable rules and restrictions.
Measure the distance between all components to ensure that the maximum
length is not exceeded.
Overview of
components
Analyzing the
requirements
Drawing a
network diagram