ASUSTOR AS5004U User manual
Quick Installation Guide
Applicable Model
AS5004U
Ver.2.3.0903 (2015-3-2)
Ver.4.2.0 (2023-6-7)
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Table of Contents
NOTICES....................................................................................................................................................................... 3
SAFETY PRECAUTIONS .................................................................................................................................................. 4
1. PACKAGE CONTENTS................................................................................................................................................. 5
2. OPTIONAL ACCESSORIES ........................................................................................................................................... 6
3. HARDWARE INSTALLATION GUIDE............................................................................................................................. 7
TOOLS NEEDED FOR HARD DISK INSTALLATION ................................................................................................................................... 7
HARD DISK INSTALLATION............................................................................................................................................................... 7
SECURING THE POWER CORD .......................................................................................................................................................... 9
CONNECTING YOUR DEVICE............................................................................................................................................................. 9
4. APPENDIX............................................................................................................................................................... 11
LED INDICATORS......................................................................................................................................................................... 11
FRONT PANEL............................................................................................................................................................................. 12
REAR PANEL............................................................................................................................................................................... 12
POWERING OFF YOUR DEVICE........................................................................................................................................................ 13
NUMBER OF EXPANSION UNITS SUPPORTED..................................................................................................................................... 13
TROUBLESHOOTING ..................................................................................................................................................................... 13
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Notices
Federal Communications Commission Statement
This device complies with FCC Rules Part 15. Operation is subject to the following two conditions:
This device may not cause harmful interference.
This device must accept any interference received, including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a class A digital device, pursuant to Part 15 of the
Federal Communications Commission (FCC) rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority
to operate the equipment.
CE Mark Warning
CE marking for devices without wireless LAN/Bluetooth
The shipped version of this device complies with the requirements of the EEC directives 2004/108/EC "Electromagnetic
compatibility" and IEC60950-1:2005 (2nd Edition)+A1:2009 "Information technology equipment-Safety ".”
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Safety Precautions
The following safety precautions will increase the life of the NAS. Follow all precautions and instructions.
Electrical Safety
Unplug this product from the power source before cleaning.
Use only the bundled power adapter. Using other power adapters may damage your device.
Ensure that you plug the power adapter to the correct power input rating. Check the label on the power adapter for the
power rating.
Operation Safety
DO NOT place this product in a location where it may get wet.
Place this product on a flat and stable surface.
Use this product in environments with an ambient temperature between 0°C and 40°C.
DO NOT block the air vents on the case of this product. Always provide proper ventilation for this product.
DO NOT insert any object or spill liquid into the air vents. If you encounter technical problems with this product,
contact a qualified service technician or your retailer. DO NOT attempt to repair this product yourself.
DO NOT throw this product in municipal waste.
This product has been designed to enable proper reuse of parts and recycling. This
symbol of the crossed out wheeled bin indicates that the product (electrical and
electronic equipment) should not be placed in municipal waste. Check local regulations
for disposal of electronic products.
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1. Package Contents
Applicable Models: AS5004U
NAS Device
AS5004U
Power Cord
x1
Adapter
x1
USB 3.2 Gen2 Cable
x1
Screws for use with 2.5” HDD
x16
Quick Installation Guide
x1
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3. Hardware Installation Guide
Tools Needed for Hard Disk Installation
⚫Phillips head screwdriver
⚫At least one 2.5 or 3.5 inch SATA hard disk. (For a list of compatible hard disks, please see
http://www.asustor.com/service/hd?id=hd)
Hard Disk Installation
1. Remove the front panel as shown in the image below.
2. Using the latch, gently pull the disk tray out of the disk bay.
3. Mount the hard disk to the disk tray.
To install a 3½" hard drive, please remove the two rails on both sides of the hard drive tray. Place the hard drive
into the tray, align and insert the rails to secure the hard drive and insert it into the NAS.
To install a 2½" hard drive, please remove the two rails on both sides of the hard drive tray. Align the hard drive
with the 4 holes labeled 2.5" with the SATA connector facing outward. While maintaining a grip on the hard
drive and tray, turn the tray upside down and secure the drive with four included M3 screws as demonstrated
below.
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4. Slide the disk tray onto the rails of the disk bay. Using the latch, gently push the disk tray all the way into the disk bay.
Secure the disk tray in place by pushing down on the latch. The latch should close easily and snap in with an audible
‘click’. Please make sure that the disk tray is pushed all the way into the disk bay before attempting to secure the latch.
5. Return the front panel.
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Securing the Power Cord
Note: You can use the provided cord bracket to secure the power cord in place, if you are concerned about the NAS
power cord becoming detached when the NAS is moved.
Attach the bracket to the power cord as shown in the graphic below.
Connecting Your Device
1. Plug the USB 3.2 Gen2 cable into AS5004U, and lock the screw in the direction of the arrow.
2. Connect the power cable to the device.
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3. Connect the other end of the USB 3.2 Gen2 cable to a USB 3.2 port on your NAS, which should not be powered on yet.
When the NAS is powered on, the AS5004U will also be powered on. When the NAS is powered off or in sleep mode,
the AS5004U will also enter into sleep mode.
Note:
1. The AS5004U can only be connected to your NAS via the NAS’s USB 3.2 port.
2. If your NAS is already powered on, connecting the AS5004U to it using the USB 3.2 Gen2 cable will cause the
AS5004U to power on.
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4. Appendix
LED Indicators
LED
Indicator
Color
Description
State
Power
Blue
Steadily lit
Power on
Orange
Steadily lit
Sleep mode
Unlit
Power off
Status
Green
Steadily lit
RAID mode
Red
Steadily lit
Damage to RAID volume or FAN abnormality
Yellow
Steadily lit
RAID level downgrade
Unlit
No RAID in use
Hard Disk
Green
Steadily lit
Hard disk ready
Flashing
Data access in progress
Red
Steadily lit
Hard disk abnormality
Unlit
No hard disk detected
AS5004U
1. Power LED Indicator
2. Status LED Indicator
3. Hard Disk LED Indicator
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Front Panel
Rear Panel
AS5004U
1. Power Button
2. HDD 1
3. HDD 2
4. HDD 3
5. HDD 4
AS5004U
1. USB 3.2 Gen2 Type-C Port
2. DC Input
3. K-lock
4. System Fan
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Powering off Your Device
With the blue power indicator lit, press and hold the power button for 4 seconds. The green status indicator will begin to
flash quickly. Let go of the power button and the NAS will sleep mode.
Number of Expansion Units Supported
⚫NAS models that are able to support 3 simultaneous AS5004U expansion units:
AS33 / AS52 / AS53 / AS54 / AS66 / AS71 Series
⚫NAS models that are able to support 2 simultaneous AS5004U expansion units:
AS11 / AS67 / FS67 / AS65 Series
Troubleshooting
If you encounter any problems during the installation process, please contact your local ASUSTOR dealer or
ASUSTOR Technical Support. You can also access the ASUSTOR knowledge base on the technical support website.
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