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Devices Required in a Network Section 1-3
Configuration With
Segment Extension
Use repeaters to extend the distance between nodes or to increase the num-
ber of connected nodes.
1-3 Devices Required in a Network
1-3-1 10Base-5 Ethernet Unit
The basic configuration of a 10Base-5 Ethernet System consists of a single
coaxial cable together with the transceivers, transceiver cables, nodes, and so
on, that are connected to it. In an Ethernet System, this basic configuration is
called a “segment.”
The devices shown in the following table must be obtained to configure a net-
work using a 10Base-5 Ethernet Unit, so prepare them in advance. Use only
devices in the network that conform to IEEE802.3 standards.
Node Node
Node Node
Repeater
10Base-5
CS1W-ETN01 Ethernet Unit
24-VDC
power supply
50 m max.
Transceivers
Transceiver cable (AUI cable)
Coaxial cable (10Base-5, outer diameter approx. 10 mm)
Terminator (terminating resistance)
Segment (500 m max.)
Number of branch points: 100
Terminator
(terminating resistance)
2.5 m min.
(multiple of 2.5 m)
Network device Contents
CS-series 10Base-5
Ethernet Unit
(CS1W-ETN01)
The 10Base-5 Ethernet Unit is a Communications Unit
that connects a CS-series PC to an Ethernet network.
24-VDC power supply This is a external 24-VDC power supply for the
purpose of providing power to the transceivers via
transceiver cable. Use a power supply with an output
current of at least 0.3 A per node. The power is
converted within the Unit to the transceiver power
supply voltage, and is provided to the transceiver.
Transceiver The transceiver is a device for interfacing between the
coaxial cable and the nodes.
Note: The Ethernet Unit can provide a maximum
current of 0.4 A to the transceiver, so use a
transceiver with a current consumption of not more
than 0.4 A. Check with the manufacturer for
information regarding transceiver current
consumption.
Transceiver cable (AUI
cable)
This is the cable for connecting between transceivers
and nodes.