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Use the setrcic command at the setting of the facility control. For details on the facility control, contact authorized service personnel. • Power-on wait The power-on wait function automatically powers on RCI I/O units before powering on RCI hosts. To use this function in a domain, execute the setpowerupdelay command in the domain. For details, see the XSCF Reference Manual. • Asynchronous RCI monitoring The following functions are available when the asynchronous RCI monitoring function is enabled for a cluster: • Mutual monitoring for detection of abnormalities in RCI hosts (asynchronous monitoring) In addition to performing periodic monitoring by INTERCONNECT, this function detects abnormalities such as the panic state in an RCI host. • Reliable stopping of an abnormal RCI host This function stops, without fail, an abnormal RCI host without terminating a hang-up, slowdown, or generated panic. • Switch control This function controls line selector switching or other switching in the event that an RCI host fails. C120-E360-06EN CHAPTER 1 RCI Overview CHAPTER 1 RCI Overview RCI Connection Scheme This section outlines RCI connection patterns. • Basic configuration Figure 1.1 shows a connection pattern with an RCI host and RCI I/O units. Figure 1.1 Connections to RCI I/O units RCI host RCI I/O unit RCI RCI I/O unit RCI cables are connected in sequence to respective units using T-branch connectors. RCI terminating resistors must be connected to the T-branch connectors at both ends of a set of RCI connections. Up to 32 RCIs including the RCI main unit can be connected. Note that the maximum RCI cable length is 150 meters. Use the repeater function of the external power controller to extend the cable length used and to increase the number of connected RCI units. Note: The external power controller is included in the number of RCI units. C120-E360-06EN 1.3 1.3 • Cluster configuration Figure 1.2 shows a cluster connection pattern. Figure 1.2 Cluster connections RCI host RCI host RCI RCI I/O unit RCI I/O unit RCI Up to 32 RCI hosts can be connected. The cluster connection requirements, such as the maximum cable length and the number of connectable RCI I/O units, are the same as the basic configuration requirements. Note: The repeater function of the external power controller cannot be used to increase the number of RCI base cabinets. • Duplicated configuration Figure 1.3 shows the connection pattern of a duplicated configuration. Figure 1.3 Duplicated configuration RCI host RCI host RCI#0 I/O unit RCI#0 I/O unit RCI#0 RCI#0 RCI#1 RCI#1 RCI hosts can be constructed in a duplicated configuration only if their XSCF units are in a redundant configuration (duplicated configuration). Note: Do not connect an expansion XSCF unit to an RCI network connected to a base XSCF unit. C120-E360-06EN CHAPTER 1 RCI Overview CHAPTER 1 RCI Overview shows a connection pattern that connects both duplicated and unduplicated configurations. Figure 1.4 Mixture of duplicated and unduplicated configurations RCI host RCI host RCI#1 RCI#0 RCI#0 RCI#0 I/O unit RCI#0 RCI#1 I/O unit The pattern can contain RCI I/O units and RCI hosts that do not support a duplicated configuration. Connect them to the duplicate system. Connect RCI hosts that do not support a duplicated configuration to the #0 system. If an RCI host that does not support a duplicated configuration were already connected, RCI I/O units would be connected to the #0 system. Note: When an RCI host of the duplicated configuration is connected with RCI hosts or RCI I/O units that do not support a duplicated configuration, it may fail to control the RCI host or the RCI I/O unit on the #0 system in the following case: • When an XSCFU#0 failure generated an XSCF failover and the Active XSCF Unit switched to XSCFU#1. In this case, maintenance work of XSCFU#0 becomes necessary. C120-E360-06EN CHAPTER 2 Setup of the RCI for Operation CHAPTER 2 Setup of the RCI for Operation 2.1 Overview of RCI Setup The RCI can be set up as follows. Note: RCI setup as explained in this chapter is carried out by authorized service personnel. • Prepare a serially-connected PC or a PC connected to the XSCF-LAN, specify its IP address, establish a connection to the XSCF, and use the XSCF shell. The RCI is configured in the following types of setup: • RCI Setup for Initial Installation • RCI Setup for Addition of an RCI I/O Unit • RCI Setup for Addition of an RCI Base Cabinet • RCI Setup for Replacement of an RCI I/O Unit • RCI Setup for Replacement of an RCI Base Cabinet Each setup for RCI configuration is explained in the following manner: - Explanation 1 The explanation of each RCI setup begins with a description of the overall setup flow. 2 Setup procedures are then explained with setting examples. • For detailed explanations and details on options of XSCF Shell commands, see the man pages or, Chapter 3, "Command Reference." • This section does not explain in detail the connection between the XSCF and a PC or te...
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