Dell 4200 manual Power Cabling, Mouse, Keyboard, and Monitor Cabling

Power Cabling

Observe the following warnings when connecting the power cables to your PowerEdge Cluster system:

WARNING: Although each component of the PowerEdge Cluster meets leakage current safety requirements, the total leakage current may exceed the maximum that is permitted when the components are used together. To meet safety requirements in the Americas, you must use a Type B plug and socket connection for the cluster power to enable the appropriate level of ground protection. In Europe, you must use one or two power distribution units (PDUs) or two Type B plug and socket connections wired and installed by a qualified electrician in accordance with the local wiring regulations.

WARNING: Do not attempt to cable the Power- Edge Cluster to electrical power without first planning the distribution of the cluster’s electrical load across available circuits. For operation in the Americas, the PowerEdge Cluster requires two AC circuits with a minimum capacity of 20 amps each to handle the electrical load of the system. Do not allow the electrical load of the system to exceed 16 amps on either circuit. For operation in Europe, the PowerEdge Cluster requires two cir- cuits rated in excess of the combined load of the attached systems. Please refer to the ratings marked on the back of each cluster component when determining the total system’s electrical load.

Figure 2-7 illustrates the proper power cabling of the PowerEdge Cluster components. Each component of the cluster must have power supplied by two separate AC circuits—one circuit to each component power supply. Therefore, the primary power supplies of all the Power- Edge Cluster components are grouped onto one circuit and the redundant power supplies are grouped onto another circuit.

Mouse, Keyboard, and Monitor Cabling

If you are installing the PowerEdge Cluster in a Dell Rack-Mountable Solutions cabinet, refer to the Dell PowerEdge Rack-Mountable Solutions Installation Guide for instructions on cabling each cluster node’s mouse, keyboard, and monitor to the Apex Outlook switch box in the rack. The switch box enables you to use a single mouse, keyboard, and monitor for both systems.

Disconnecting SCSI Cables While the Cluster Is Running

If you must disconnect a SCSI cable between a powered- down server and a running SDS 100 storage system, you should first disconnect the cable from the back of the SDS 100 and then disconnect the cable from the RAID controller connector on the cluster node. This helps main- tain the integrity of the SCSI signals while removing the cable.

Cabling the Cluster Hardware 2-7