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17-7 Network Installation
17-7-1 Devices Required for Constructing a Network
The basic configuration for a 100Base-TX Ethernet System consists of one hub to which nodes are
attached in star form using twisted-pair cable. The devices shown in the following table are required to
configure a network with 100Base-TX-type CP1W-CIF41, so prepared them in advance.
Network device
1. Ethernet Option Board
(CP1W-CIF41)
2. Twisted-pair cable
3. Hub
17-7-2 Network Installation
Basic Installation Precautions
• Take the greatest care when installing the Ethernet System, being sure to follow ISO 802-3 specifica-
tions. You must obtain a copy of these specifications and be sure you understand them before
attempting to install an Ethernet System. Unless you are already experienced in installing communi-
cations systems, we strongly recommend that you employ a professional to install your system.
• Do not install Ethernet equipment near sources of noise. If noise-prone environments are unavoid-
able, be sure to take adequate measures against noise interference, such as installing network com-
ponents in grounded metal cases, using optical links in the system, etc.
Precautions on Laying Twisted-pair Cable
Basic Precautions
• Press the cable connector in firmly until it locks into place at both the hub and the Ethernet Option
Board.
• After laying the twisted-pair cable, check the connection with a 10Base-T cable tester.
Environment Precautions
• The UTP cable is not shielded, and the hub is designed for use in OA environments. In environ-
ments subject to noise, construct a system with shielded twisted-pair (STP) cable and hubs suit-
able for an FA environment.
• Do not lay the twisted-pair cable together with high-voltage lines.
• Do not lay the twisted-pair cable near devices that generate noise.
• Do not lay the twisted-pair cable in locations subject to high temperature or high humidity.
• Do not lay the twisted-pair cable in locations subject to excessive dirt and dust or to oil mist or
other contaminants.
CP1E CPU Unit Software User's Manual(W480)
Contents
The Ethernet Option Board is a Communication Unit
that connects a CP1E N/NA-type CPU Unit to
100Base-TX Ethernet networks.
(They can also be used as 10Base-T.)
This is twisted-pair cable for connecting 100Base-TX
type Ethernet Option Board to the hub, with an RJ45
Modular Connector at each end.
Use a category 3, 4, 5, or 5e UTP (unshielded twisted
pair) or STP (shielded twisted-pair) cable.
This is a relay device for connecting multiple nodes in
a star LAN.
17 Ethernet Option Board
17
17-39
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