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2.1 Optical Fiber Cabling
2
2.1.1 Optical transmission line installation
Install optical fiber cables as follows:
Figure 2-2 Example of TC-net Transmission Line (Optical Fiber Cable) Connection
Form of Connecting the Parts Used
An example of connecting the parts that constitute a TC-net 100 transmission system is
shown in figure 2-2.
Criteria for Use of Cables
Use an optical fiber cord with an MT-RJ connector at one end to connect a TC-net 100
node to the splice box.
Use optical fiber cables to connect one Integrated Controller cabinet to another or one
operator room to another. For the installation of twisted-pair cables, refer to Chapter 5
External Wiring (Twisted-Pair Cable).
Be sure to use optical fiber cables for connection from one building to another.
Cable Installation
Do not bend cables to less than the minimum bending radius. The allowable bending
radiuses are shown in Table 2-1 Allowable Cable Bending Radiuses on page 10. After
cable installation, support the cables so that the connectors will be free of the cable load.
Trunk Cable Installation
Use optical fiber cables for trunk cabling.
Grounding
Have a grounding pole ready exclusive to the transmission lines, and ground them at
single point. Connect the transmission parts to the grounding terminal of the Integrated
Controller.
In cases where other grounding is also present, or where the effect of noise, etc. is
anticipated, have the class D grounding exclusive to transmission parts ready and use it
for one-point grounding. (Refer to Chapter 6 Grounding.)
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Optical shared hub unit
Optical shared hub unit
Splice box
Twisted-pair cable for
maintenance
TC-net 100
node (optical)
TC-net 100
node (optical)
Engineering Tool
Optical fiber cables
Optical fiber cord with MT-RJ connector at
ne end
Splice box
TC-net 100
node (optical)
Optical shared hub unit
Optical shared hub unit
Splice box
TC-net 100
node (electrical)
TC-net 100
node (optical)
Splice box
Optical fiber cord with MT-RJ connector at
ne end
Splice box
Lines A and B
connecting cable
Twisted-pair cables
Optical fiber cord with MT-RJ
connector at one end