Lenovo D1212, Руководство по установке и обслуживанию оборудования

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Table 5. Ops Panel LEDs (continued)
LED Status
Logical Status Constant or flashing amber: fault
Drawer 1/2 Fault Constant amber: fault in drive, cable, or sideplane for specified drawer
Unit Identification Display
A numerical display whose primary function is to display the enclosure unit identification number.It can be
helpful when setting up and maintaining multiple enclosure systems.
However, a VPD (Vital Product Data) option allows the unit identification display to be configured for other
purposes. The display will be on by default, and display a value of 0. See “Unit Identification Number” on
page 51.
Input Switch
Used to set the unit identification display (see “How To Set the Unit Identification Number” on page 51).
Power On/Standby LED (Green/Amber)
Shows amber when the system is in standby (not operational). Shows green when the system is on
(operational).
Module Fault LED (Amber)
Shows amber when there is a system hardware fault. Additionally, an LED may be lit on a PSU, drawer,
DDIC, cooling module or ESM that helps you identify which component is at fault.
Logical Status LED (Amber)
Indicates a change of status or fault from something other than the enclosure management (EM) system. This
may be from an internal or external RAID controller or HBA. It is associated with a disk drive and LEDs at
each disk drive position help you identify the drive affected.
Drawer Fault LEDs (Amber)
Indicates a drive, cable, or sideplane fault in the drawer indicated.
Disk Drive LEDs
Each drive carrier module incorporates two LEDs, green and amber.
Disk Drive LEDs (2U Enclosures)
LEDs in each drive carrier module are shown in Figure 56 “3.5" Drive Carrier LEDs ” on page 54 and Figure
57 “2.5" Drive Carrier LEDs ” on page 55.
• In normal operation the green LED is on and flickers as the drive operates.
• In normal operation the amber LED state is:
– Off if there is no drive present.
– Off as the drive operates.
– On if there is a drive fault.
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Lenovo Storage D1212/D1224/D3284Hardware Installation and Maintenance Guide