SC4020 - Disk array DELL - Free user manual and instructions

Product Type	Disk Array (Storage Enclosure)
Brand	Dell
Model	SC4020
Form Factor	2U Rackmount
Dimensions (HxWxD)	3.5 in. (8.9 cm) x 17.0 in. (43.2 cm) x 19.5 in. (49.5 cm)
Weight (fully loaded)	Approximately 62 lb (28 kg)
Power Supply	Dual hot-plug, 100-240 V AC, 50/60 Hz, 750W each
Drive Bays	12 x 3.5-inch SAS/SATA (expandable via enclosures)
Supported Drives	SAS, SATA, SSD (mixed configurations)
Controller	Dual active controllers with SAS expansion ports
Management	Web-based GUI, CLI, Dell Storage Manager
RAID Support	RAID 0, 1, 5, 6, 10, 50, 60
Cooling	Hot-plug redundant fans
Operating Temperature	10°C to 35°C (50°F to 95°F)
Storage Temperature	-40°C to 65°C (-40°F to 149°F)
Humidity (operating)	10% to 80% non-condensing
Safety Certifications	UL, CSA, CE, FCC, VCCI, C-Tick, BSMI
Warranty	3 years hardware warranty (optional extensions available)
Spare Parts	Hot-swap drives, PSU, fan modules, controllers
Installation	Rack-mountable with included rails; requires screwdriver for mounting

Frequently Asked Questions - SC4020 DELL

How do I reset the SC4020 storage array to factory defaults?

Use the Dell Storage Manager GUI. Go to the system tab, select the array, and choose 'Restore Factory Defaults'. Confirm when prompted. This will erase all configuration and data.

Can I mix SAS and SATA drives in the same enclosure?

Yes, the SC4020 supports mixed drive types. However, each virtual disk (volume) must use the same drive type. You cannot combine SAS and SATA in a single RAID group.

What is the maximum number of drives supported?

The base SC4020 supports 12 internal drives. With optional expansion enclosures (like the SC420), you can scale up to 120 drives per system.

How do I replace a failed power supply?

The power supplies are hot-swappable. Identify the faulty PSU (LED amber), unlock the retention latch, pull out the unit, slide in a new one, and lock it. No tools required.

What software is needed to manage this array?

Use Dell Storage Manager (DSM), a unified management application. It provides web-based GUI, CLI, and REST API for configuration, monitoring, and alerts.

Can I use third-party drives in the SC4020?

Dell recommends using Dell Enterprise drives for compatibility and support. Third-party drives may work but are not tested. Using unsupported drives may void warranty.

How do I access the web management interface?

Ensure management port is connected to your network. The default IP is DHCP. Use the IP shown on the front LCD panel or use Dell Storage Manager Discovery tool. Open a browser to 'https://'.

What RAID levels are supported?

The SC4020 supports RAID 0, 1, 5, 6, 10, 50, and 60. Virtual disks (volumes) can be assigned different RAID levels based on performance and redundancy needs.

How do I update the firmware?

Download the latest firmware package from Dell Support. In Dell Storage Manager, navigate to the system, select 'Update Firmware', and upload the file. The update process may reboot controllers.

What is the power consumption of the SC4020?

Typical power consumption ranges from 150W (idle, no disks) to 450W (fully loaded with active I/O). Actual consumption depends on drive count and activity.

USER MANUAL SC4020 DELL

Illustration of a vacuum cleaner with two wheels and ventilation slots (no text or symbols)

* Before operating this unit, please read the instructions carefully.
* For indoor use only.

Register your product at www.samsung.com/global/register

IMPORTANT SAFEGUARDS

1. Read all instructions carefully. Before switching on, make sure that the voltage of your electricity supply is the same as that indicated on the rating plate on the bottom of the cleaner.

2. WARNING: Do not use the vacuum cleaner when rug or floor is wet. Do not use to suck up water.

3. This appliance is not intended for use by young persons or infirm persons without supervision unless they have been adequately supervised by a responsible person to ensure that they can use the appliance safely. Young children should be supervised to ensure that they do not play with the appliance.

4. Do not use the vacuum cleaner without a dust bag. Replace the dust bag before it is full in order to maintain the best efficiency.

5. Do not use the vacuum cleaner to pick up matches, live ashes or cigarette butts. Keep the vacuum cleaner away from stoves and other heat sources. Heat can deform and discolour the plastic parts of the unit.

6. Avoid picking up hard, sharp objects with the vacuum cleaner as they may damage the cleaner parts. Do not stand on the hose assembly. Do not put a weight on the hose. Do not block the suction or the exhaustion part.

7. Switch the vacuum cleaner off at the machine before unplugging from the electrical outlet. Do not pull on the cord to disconnect the plug from the electrical outlet. Ensure that it is disconnected before attending to the filter.

8. The plug must be removed from the socket outlet before cleaning or maintaining the appliance.

9. The use of an extension cord is not recommended.

10. If your vacuum cleaner is not operating correctly, switch off the power supply and consult an authorized service agent.

11. If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similarly qualified person in order to avoid a hazard.

12. The vacuum cleaner is provided with a self-resetting thermal cut-out which automatically shuts off on over-heating. Overheating can be caused by blockage in the filter, nozzle, tube or hose. After removing the cause and allowing the motor to cool, the vacuum cleaner will automatically restart.

1 ASSEMBLING THE CLEANER

▶ Features may vary according to model.

Two grayscale illustrations of a vacuum cleaner, one with handle and wheels, the other with front-mounted device (no text or symbols)

▶ For storage, park the floor nozzle.

Line drawing of a vacuum cleaner with a magnified inset showing the blade and handle (no text or symbols)

▶ Tool storage

Illustration of a hand holding a small circular device with a button, next to a robotic vacuum cleaner (no text or symbols)

Illustration of a hand holding a small robotic vacuum cleaner with a circular label (no text or symbols on the device itself)

- ON/OFF TYPE - ON/OFFgTYPE the

Illustration of a hand holding a small vacuum cleaner with a circular button symbol (no text or labels)

socket, please take care to grasp the plug, not the cord in order to avoid undue stress.

Illustration of a small vacuum cleaner with a circular button labeled '①' (no text or symbols on the device itself)

2-3 POWER CONTROL(VOLUME TYPE ONLY)

MIN = For delicate fabrics, e.g. net curtains.

MAX = For hard floors and heavily soiled carpets.

2-4 SUCTION CONTROL

To reduce suction for cleaning draper small rugs and other light fabrics, slide the air vent until the hole is open.

Simple line drawing of a curved pipe or tube with a looped end (no text or symbols)

graph TD
    A["Floor Nozzle"] --> B["UP"]
    B --> C["UP"]
    C --> D["UP"]
    D --> E["Dusting"]
    style A fill:#f9f,stroke:#333
    style B fill:#ccf,stroke:#333
    style C fill:#cfc,stroke:#333
    style D fill:#fcc,stroke:#333
    style E fill:#cff,stroke:#333

▶ Features may vary according to model.

DUSTING BRUSH CREVICE TOOL

Pure geometric line drawing of a corner joint or bracket (no text or symbols)

- Dusting brush for furniture. shelves, books, etc.

Pure technical line drawing of a mechanical component without any text or symbols

- Crevice tool for radiators, crevices, corners, between cushions.

Simple line drawing of a tool interacting with a rectangular object (no text or symbols)

- For efficiency. clean Floor Nozzle with Crevice Tool.

3 INDICATOR LIGHTS

Close-up of a mechanical component with concentric rings and a circular annotation (no visible text or symbols)

When the indicator color has changed Please replace the dust bag.

3-1 CHANGING THE DUST BAG

Illustration of a small robotic vacuum cleaner (no text or symbols visible)

Close-up of a textured, curved surface with no visible text or symbols

3

Illustration of a hand pouring liquid into a container (no text or symbols)

Close-up of a textured, curved surface with no visible text or symbols

3-2 FOR CLOTH BAG (OPTION)

After using, if the cloth bag is full of dust, clean the cloth bag and use it again.

WARNING : Please do not attempt to operate the cleaner without a dust bag fitted.

4 CLEANING THE INLET FILTER

1

Illustration of a stylized fish head (no text or symbols)

2

3

Diagram showing a computer monitor and a hand placing a paper into a cylindrical container (no text or symbols)

4

Illustration of a person riding a car (no text or symbols visible)

NOTE: Do not allow the filter to become clogged as this may cause power reduction or may damage the motor.

5 OUTLET FILTER(VOLUME TYPE ONLY)

1

Illustration of a car with visible wheels and a handle, no text or symbols present

2

graph TD
    A["Option 1"] --> C["Output Block"]
    B["Option 2"] --> D["Output Block"]

6 CYCLONIC FILTER(ONLY CYCLONIC FILTER TYPES)

You can use a dust bag in your cleaner for a long time thanks to the Cyclonic Filter system and it maintain the maximum cleaning efficiency.

The larger particle of dust filtered from Cyclonic Filter remain in Dust Barrel when suctioned air and dust revolves in the Cyclonic Filter. So the dust bag contains only smaller ones.

When the Dust Barrel is filled with dust up to the indicating line, it needs disposing and cleaning.

Dust Barrel can be cleaned in water.

1. Turn the Dust Barrel to the left and pull it.

2. Disconnect the Cyclonic Filter from extension wand and handle.

3. Remove thread and hair tangled around the net.

4. After cleaning the Dust Barrel and Cyclonic Filter, connect the Cyclonic Filter with extension wand and handle (washed part should be dried in the shade thoroughly before assembling).

5. Push and turn the Dust Barrel to the right. Adjust indicating marks each other carved on Dust Barrel and Cyclonic Filter.

• IF YOU HAVE A PROBLEM

PROBLEM CAUSE REMEDY
Motor does not start.	No power supply. Thermal cut-out.	Check cable, plug and socket.Leave to cool.
Suction force is gradually decreasing.	Nozzle, suction hose or tube is blocked.	Remove the object.
Cord does not rewind fully.	Check that the cord is not twisted or wound unevenly.	Pull the cord out 2-3m and push down the cord rewind button.
Vacuum cleaner does not pick up dirt.	Crack or hole in hose.	Check hose and replace if required.

تعليمات التشفيل

المكنسة الكهربائية

Illustration of a small robotic vacuum cleaner (no text or symbols)

Illustration of a small industrial machine with a handle and circular component (no text or symbols)

Illustration of a small robotic device with a circular component and handle (no text or symbols)

Illustration of a car with a circular emblem and a hand gesture (no text or symbols)

Illustration of a small industrial vacuum cleaner with a circular component above it (no text or symbols visible)

Illustration of a vintage camera with a globe icon and screen (no text or symbols)

Simple line drawing of a curved mechanical arm or linkage (no text or symbols)

J-Σ التبكم في الشقط

Two technical illustrations of a mechanical device, one with a tool and the other with a load mechanism (no text or symbols visible)

Illustration of a car with a magnified inset showing the wheel (no text or symbols)

خزان الأدوات

أربة ذات شلوق

Simple line drawing of a mechanical device with a lever and base (no text or symbols)

Simple line drawing of a mechanical joint or bracket (no text or symbols)

Pure mechanical assembly diagram without any text, numbers, or symbols

Pure mechanical component diagram without any text, numbers, or symbols

graph TD
    A[" exhaust 0-1: 我道 exhaust"] --> B[" exhaust 1: 燃气"]
    B --> C[" exhaust 2: 燃气"]
    C --> D[" exhaust 3: 燃气"]
    D --> E[" exhaust 4: 燃气"]
    E --> F[" exhaust 5: 燃气"]
    F --> G[" exhaust 6: 燃气"]
    G --> H[" exhaust 7: 燃气"]
    H --> I[" exhaust 8: 燃气"]
    I --> J[" exhaust 9: 燃气"]
    J --> K[" exhaust 10: 燃气"]

Illustration of a car interior with visible engine compartment and dashboard (no text or symbols)

DJ68-00287L REV(0.2)