Release 6.0 41User Guide Chapter 1 OverviewFigure 1-7: Controller(5) Host port(E) FC 2-Port + 1G iSCSI-port controller(5) Host port(F) SAS 4-Port controllerLabel Description(1) DC switch The DC switch is used to start up or shut down thedisk array system in non-AC operating mode. In ACoperating mode, the DC switch only allows forshutdown of the disk array system.When shutdown is not completed, turn off the ACswitch of both power supplies (PS0, PS1) orremove both power supply cords.For information on AC operating mode, see thedescription about AC operating mode in Section1.3.1: “Powering On the Disk Array System”.(2) Maintenance port The maintenance port is a 10M/100M/1Gbps LANport used for connecting a maintenance PC. Thisconnector is not used under ordinary operation.The port has a LINK/ACT LED (right) and anSPEED LED (left).(3) Management port The management port is a 10M/100M/1Gbps LANport used for NEC Storage Manager and SNMPconnection.The port has a LINK/ACT LED (right) and anSPEED LED (left).(4) Status display LED For details, see Section 1.2.3: “LED Display”.
