Dell Storage MD1420 Enclosures Hardware Owner' s Manual
Summary
The Dell Storage MD1420 Enclosures Hardware Owner's Manual documents the physical specifications, front and back panel features, and operational indicators of the MD1420 storage expansion enclosure. It details hard disk drive indicator patterns, Enclosure Management Module (EMM) functionality, failover capabilities, thermal protection, and SAS connectivity options. The manual serves as a comprehensive hardware reference for storage administrators managing Dell MD1420 disk expansion units in data center environments.
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Dell Storage MD1420 Enclosures Hardware Owner's Manual
Page Summary Contents For Dell Storage MD1420 Enclosures Hardware Owner' s Manual
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Dell Storage MD1420 Enclosures Hardware Owner's Manual
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Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of ...
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Contents 1 About your enclosure.................................................................................................................... Physical specifications................................
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3 Troubleshooting your enclosure...................................................................................................28 Safety first—for you and your enclosure..............................
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About your enclosure Physical specifications Table 1. Enclosure dimensions and weight Measurement Value Height 8.7 cm (3.43 in) Width 48.2 cm (18.98 in) Depth - includes PSU handle 53.9 cm (21.2 in) W...
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Front-bezel features and indicators Figure 2. Front-bezel features and indicators Item Indicator, Button, or Icon Description Connector Enclosure status LED The enclosure status LED lights when the en...
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Hard disk drive indicator patterns Figure 3. Hard disk drive indicators 1. hard disk drive activity indicator (green) 2. hard disk drive status indicator (green and amber) 3. hard disk drive Hard disk...
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Back-panel features and indicators Figure 4. Back-panel features and indicators Item Indicator, Button, or Connector Description Power supply unit or cooling fan module 600 W power supply. (PS1) For m...
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Item Indicator, Button, or Icon Description Connector 1,2,3,4 SAS port (Input or Provides SAS connections for cabling the host or an upchain expansion enclosure Output) and to the next down chain expa...
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Item LED Color State OFF — OK. Blinks briefly when power is first turned on to the power supply module. AC power Green ON — Power supply module is connected to a source of AC power irrespective of whe...
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Installing enclosure components Recommended tools You may need the following items to perform the procedures in this section: Key to the system keylock #2 Phillips screwdriver Wrist grounding strap Fr...
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Hard disk drives Safety: Models AMT, E03J, and E04J Models AMT, E03J, and E04J are intended for installation only in restricted access locations as defined in cl 1.2.7.3 of IEC 60950-1:2005. On the ba...
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support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product. 1. If installed, remove the fr...
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Removing a hard disk drive from a hard disk drive carrier 1. Remove the four screws from the slide rails on the hard disk drive carrier. 2. Lift the hard disk drive out of the hard disk drive carrier....
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Figure 11. Removing and installing an EMM blank 1. EMM blank 2. release latch Installing an EMM blank To install an EMM blank, align the blank with the EMM bay and insert the blank into the chassis un...
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Figure 12. Removing and installing an EMM 1. release lever 2. EMM 3. release tab Installing an EMM CAUTION: Many repairs may only be done by a certified service technician. You should only perform tro...
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Removing an AC power supply unit or cooling fan module NOTE: If you remove a fully functioning power supply or cooling fan module, the fan speed in the remaining module increases significantly to prov...
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Figure 14. Securing the power cable a. Velcro strap CAUTION: When connecting the power cable, secure the cable with the Velcro strap. NOTE: If the enclosure is powered on, all the power supply LEDs re...
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Item LED Color State Power output Green ON — Normal operation. Power supply is connected to DC power and the power switch is on. The power supply module is supplying DC power to the array. OFF — Indic...
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Molex # 39422-0012 mating DC power connector Required Tools Hand-crimping tool (Tyco Electronics, 58433-3 or equivalent). Wire-stripper pliers capable of removing insulation from size 10 AWG solid or ...
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must comply with applicable local or national codes and practices. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow all safety instructions that ...
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Figure 19. Connecting the dc power cables a. attached (trapped) finger screws b. connector on the power supply cable c. connector on the power supply module Removing a DC power supply WARNING: For equ...
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Figure 20. Removing and installing a dc power supply module a. release latch b. power supply module c. power supply module handle Installing a DC Power Supply Module NOTE: For equipment using –(48–60)...
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NOTE: When viewing the rear of the array, power supply module 0 is on the left, and power supply module 1 is on the right. Troubleshooting a DC power supply WARNING: For equipment using –(48–60) V DC ...
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Temperature Maximum operation ambient temperature 35° C For information about supported expanded operating temperature range and configurations, see dell.com/support/manuals. Control panel Removing th...
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CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the ...
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Figure 23. Removing and installing the backplane a. screws (4) b. captive screw c. backplane Installing the backplane 1. Align the holes on the backplane with the holes on the enclosure. 2. Tighten th...
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Troubleshooting your enclosure Safety first—for you and your enclosure CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repa...
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module can be removed from a powered-on enclosure for a maximum period of five minutes. Beyond that time, the enclosure may automatically shut down to prevent damage. 2. Reseat the power supply by rem...
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support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product. 1. Remove the hard disk drive ...
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1. Ensure that the following components are properly installed: Hard disk drives EMMs Power supply unit or cooling fan modules Control panel Backplane 2. Ensure that all the cables are properly connec...
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Getting help Topics: Contacting Dell Documentation feedback Contacting Dell NOTE: Dell provides several online and telephone-based support and service options. If you do not have an active Internet co...
Manual Details
| Brand | Dell |
|---|---|
| Pages | 32 |
| File Size | 1.56 MB |
| Published | June 25, 2026 |
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Frequently Asked Questions
What service actions may void my warranty?
Damage caused by servicing that is not authorized by Dell voids your warranty coverage.
How do I troubleshoot enclosure issues?
Check all components—HDDs, EMMs, power supply, and cables—and run diagnostics available in Server Administrator.
What happens if the EMM overheats?
The Enclosure Management Module (EMM) is subject to thermal shutdown.
How do I contact Dell for specific support assistance?
Visit dell.com/support, select your country, and enter your system service tag into the dedicated field.