Dell 720N, 740N, 760N manual Shows the LEDs on the front panel

Page 54

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The LEDs and LCD are controlled by a built-in environmental controller sensor on the system board that functions as the interface between them and the processor. This controller/sensor monitors environmental conditions, such as the temperature and fan status, and displays signals on the LEDs and messages on the LCD.

Should any corrective action be required, the LCD displays a message. Refer to “LCD Messages” to determine what corrective action is required for a particular message.

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Figure 3-1 shows the LEDs on the front panel.

Activity LED

Status LED

Power LED

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3-2 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide

Image 54

Contents Page Page Observe the following warnings while servicing this system 006 Vii Viii #$% #-%% #+%$ Page Xiii Xiv Monospaced font Xvi Xvii Xviii Xix Page Xxi Xxii $%$%*$+ Activity LED Status LED Power LED Nostic messages up to 32 characters Describes the back panel features 10/100Base-T Ethernet Disk-Array Enclosure DAE storage system with 18-GB #$!% Slot 9 dedicated to Nvram card $%&# $&#Introduction Page Installing a Filer System +,+ 145=1.75 inch DAA1% 24769!8 Shows the rack adapter rails properly positioned in the rack +6939 Page Installing a Filer System Select any two holes +-0%$ #,,#6233#./$&&# FC-AL1 loop FC-AL0 loop FC-AL adapter in slot $&$2 77% Installing a Filer System #,+ $!1Built-in Ethernet connector 33!# 13 shows the location of the Console port 14 shows two power supplies $&&#AC LED Page 122# Shows the LEDs on the front panel +$ 1# Off-AC signal is not good #1&21 41&21 Quad-port Ethernet card #=# Troubleshooting the Filer Hardware 37# Startup failed Scsi Host Adapter 0b Administrator and Command Reference Storage enclosure address number. Setup Page Filer’s /etc/passwd and /etc/group Mode. Refer to the Dell PowerVault 720N This message appears in these situations Guide System Administrator and Command Ref Page Getting Help Ftp.dell.com Support@us.dell.com Sales@dell.comInfo@dell.com Page Getting Help Diagnostics Checklist 1344 Page Australia AustriaBelgium Chile BruneiCanada ChinaDenmark FinlandFrance Ireland GermanyHong Kong ItalyJapan KoreaLatin America Malaysia LuxembourgMacau MexicoNorway NetherlandsNew Zealand PolandSoutheast Asian SingaporeSouth Africa Pacific CountriesTaiwan SwedenSwitzerland ThailandDell Home and Small Business Group Index Message FC-AL See also Dimms Index Nics Scsi

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