Appendix
22
2. 100M Ethernet Control LAN
For the 100M Ethernet Control LAN, basically the transmission line configuration specified in the IEEE802.3u
is used.
If OIS-DS and SVR-DS are installed at a place such as an operator room with good environment (e.g. low noise),
twisted pair cables are used in wiring within the operator room.
Since PCS-DS is installed at site or in a control room, twisted pair cables are used for internal wiring to connect
the PCS-DS main unit to hubs or FX-TX conversion modules to minimize the effect of noises. For external
wiring, optical fiber cables are used.
2.1 System Configuration
The standard system configuration is a redundant configuration with two systems of transmission lines.
Figure 2.1 is an example of system configuration.
PCS-DS
PCS-DS Redundant Cabinet
PCS-DS Cabinet
TX Switching Hub
FX-TX Conversion Module
DPCS-DS
DPCS-DS
TX-SHUB
TX-SHUB
FX-TX
Twisted Pair Cable
Optical Fiber Cable
TX-SHUB
TX Hub
TX-HUB
PCS-DS Redundant Cabinet
DPCS-DS DPCS-DS
TX-HUB
TX-HUB
Field
Operator Room
SVR-DS
SVR-DS
OIS-DS
OIS-DS
OIS-DS
FX-TX
FX-TX
FX-TX
FX-TX
FX-TX
FX-TX
TX-SHUB
TX-SHUB
FX-TX
FX-TX
FX-TX
FX-TX
FX-TX
FX-TX
Figure 2.1 Transmission Line Redundant Configuration
Содержание CIEMAC-DS
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