VIPA CP143 TCP/IP, Manual

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Thick-ethernet-cable networks CP143 H1 / TCP/IP manual
3-8 Rev. 00/07
3.3 Thick-ethernet-cable networks
Thick-ethernet-cable network hardware
This chapter contains a description and an illustration (Fig. 3-4) of the hardware required for a
thick-ethernet-network.
Network adapter
Network adapters are installed in every station on the network and linked by means of a
network cable to provide the communication medium between these stations.
Transceiver
The stations on a thick-ethernet cable communicate via an external transceiver which is
attached to the network cable. External transceivers are required when a thick-ethernet
cable is used as communication medium.
Transceiver-cable
The transceiver-cable (drop-cable) connects the station (network adapter) to the external
transceiver.
AUI-connector
The end of a transceiver cable is terminated in an AUI (DIX) plug or an AUI-socket.
The AUI-plug is connected to the network adapter located in a station. The AUI-socket
is connected to the external transceiver.
Thick-ethernet-cable
The thick-ethernet-cable consists of a 50 Ohm coaxial cable with a diameter of 0,4 inch
(10,16 mm). Different lengths of this cable are available complete with standard 0,4
inch N-type plugs at each end. The cable may be obtained from any reputable cabling
supplier.
N-type plug
An N-type plug is attached to each end of the thick-ethernet cable.
N-type connector
N-type connectors are used to connect two thick-ethernet cables together.
N-type-terminator
An N-type 50
Ω
termination resistance “terminates” the network and prevents electrical
interference from the network. This is attached to the N-type socket of the transceiver
that is not connected to another cable. Certain terminators are provided with a grounding
strap to connect the screen of the network cable to ground.
One side of a network segment (it is immaterial which side) must be fitted with
a terminator which has a ground connection!
The other side of the segment may not have a terminator!