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C120-E360-06EN 1-1
CHAPTER 1 RCI Overview
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This chapter gives an overview of the Remote Cabinet Interface (RCI).
1.1 RCI Features
The RCI is a device control interface used for connections of I/O units to an RCI host.
In this manual, a base cabinet and an I/O unit that support the RCI are referred to as an
RCI host and an RCI I/O unit (Note), respectively. Furthermore, RCI hosts and RCI
I/O units are generally referred to as RCI units.
Note: RCI I/O unit might be described as RCI-IO unit.
While multiple RCI units consisting of an RCI host, another RCI host, and RCI I/O
units are connected through the RCI, the RCI controls power supply to all these RCI
units together and performs other controls on the RCI I/O units.
By using RCI cables to connect RCI units and RCI setting commands, the following
RCI functions can be used:
z Connecting and controlling RCI I/O units
z Asynchronous RCI monitoring (Note) of RCI hosts in a cluster environment
Note: Asynchronous RCI monitoring is a function that immediately detects the
panic state in any of the nodes that compose a cluster. The asynchronous
monitoring enables the cluster to quickly recover from a failure in a
monitored node.
Note: When the RCI network is used, adequate consideration of security is
necessary for LAN connections of domains.