1. Introduction
The Yottamaster DM200 MetaCube is a dual-bay Network Attached Storage (NAS) device designed for personal and home use, offering up to 44TB of storage capacity. It functions as a personal data center, enabling automatic backup, intelligent classification, remote access, and secure data sharing. This manual provides instructions for setting up, operating, maintaining, and troubleshooting your DM200 NAS.
Figure 1: Yottamaster DM200 2-Bay Family Storage Overview
What is a NAS Network SSD Enclosure?
For the average home user, a NAS (Network Attached Storage) device like the Yottamaster MetaCube provides a personal or home storage solution. After installing SATA hard disks and connecting to your home network, you can store all your digital content in your own private storage device. It supports automatic backup of photos and videos from your phone, as well as synchronous backup of PC and Mac data. By keeping the device online, you can quickly access and share your content anytime, anywhere with an internet connection.
Figure 2: Yottamaster MetaCube NAS device
2. Package Contents
Before proceeding with the setup, please ensure all items listed below are present in your package:
- Yottamaster DM200 NAS Product
- Power Adapter
- Ethernet Cable
- Screwdriver
- User Manual (this document)
Figure 3: Yottamaster DM200 Package Contents
3. Setup Guide
3.1 Hard Drive Installation
The Yottamaster DM200 is a diskless system, meaning hard drives are not included and must be purchased separately. It is compatible with both 3.5-inch HDD/SSD and 2.5-inch SSDs. Each bay supports up to 22TB, for a total maximum capacity of 44TB.
Note: Please refer to the specific instructions provided with your hard drives for proper installation into the NAS bays. Use the included screwdriver if necessary.
3.2 Connecting the Device
- Connect one end of the Ethernet cable to the RJ-45 port on the back of the DM200 and the other end to your router or network switch.
- Connect the power adapter to the DC 12V 5A input port on the DM200 and plug it into a power outlet.
- Press the power button to turn on the device.
3.3 Software Setup (Weline APP)
To manage and access your Yottamaster DM200, you will need to download and install the Weline APP. The Weline APP is compatible with most operating systems, including PC and mobile devices.
- Download the Weline APP from the official Yottamaster website or your device's app store.
- Install the application on your computer or mobile device.
- Follow the in-app instructions to discover and connect to your DM200 NAS on your network.
- Complete the initial setup, including creating user accounts and configuring network settings.
Figure 4: Wide Compatibility with Weline APP
4. Operating Instructions
4.1 Data Backup
The DM200 supports automatic backup of high-resolution photos and videos from your mobile devices without compression, freeing up storage on your phone. It also allows for synchronous backup of data from your PC and Mac.
Figure 5: Automatic File Backup
4.2 Data Sharing and Remote Access
The Yottamaster DM200 allows you to share stored family photos, videos, and other content with friends and family. With an internet connection, you can access your data anytime, anywhere. The device features SDVN encryption technology to secure your data during sharing.
Note: The global access function may not be available in all regions (e.g., India and South Africa).
Figure 6: Sharing Happy Time
Figure 7: Enjoy Movies for Cinephiles
Figure 8: Personal Private Storage Data Security
4.3 Intelligent Functions
The DM200 features AI intelligent functions for automatic photo album and video classification, making the management of your family photos and videos more organized and efficient.
Figure 9: AI Intelligent Functions Interface
4.4 Storage Management (RAID Modes)
The DM200 supports multiple array storage modes to ensure your data is flexible, secure, and stable. These include LVM, RAID 0, and RAID 1.
- LVM (Logical Volume Manager): Provides flexible storage management, allowing you to combine multiple physical disks into a single logical volume.
- RAID 0 (High Speed Mode): Stripes data across multiple disks, offering increased performance but no data redundancy.
- RAID 1 (Backup Mode): Mirrors data across two disks, providing data redundancy and protection against single disk failure.
Figure 10: RAID Mode Comparison
4.5 Performance
The DM200 offers a local area network transmission speed of up to 120MB/s.
Figure 11: 120MB/s Fast Transmission
4.6 Additional Features
The Yottamaster DM200 MetaCube includes a variety of additional features to enhance your data management experience:
Figure 12: Additional Features Overview
- Backup Album, Backup Contacts, WeChat Backup
- Notebook, File Sharing, Safe, Deduplication
- App Management, Transmission, Favorites, Recycle
- Node Information, Settings, External Storage, History, Access Record
- Hard Drive Self-Test, Samba, DLNA, TimeMachine
5. Maintenance
5.1 Heat Dissipation
The DM200 is equipped with a built-in low-noise, high-speed fan and a hollow design on the back to ensure fast heat dissipation, keeping the device stable during operation.
Figure 13: Fast Heat Dissipation System
5.2 General Care
- Keep the device in a well-ventilated area to prevent overheating.
- Avoid exposing the device to direct sunlight, extreme temperatures, or high humidity.
- Clean the exterior of the device with a soft, dry cloth. Do not use liquid cleaners.
- Ensure the fan vents are clear of dust and obstructions.
6. Troubleshooting
6.1 Device Not Powering On
- Check if the power adapter is securely connected to both the device and a working power outlet.
- Ensure the power button has been pressed firmly.
- Try a different power outlet.
6.2 Cannot Access NAS on Network
- Verify that the Ethernet cable is properly connected to both the NAS and your router/switch.
- Ensure your router is functioning correctly and providing network access.
- Check if the NAS has obtained an IP address from your router. This can usually be found in your router's administration interface.
- Restart the NAS and your router.
- Ensure the Weline APP is installed and configured correctly to discover the device.
6.3 Slow Data Transfer Speeds
- Ensure your network cables are Cat5e or Cat6 for optimal Gigabit Ethernet performance.
- Check for network congestion. Other devices on your network might be consuming bandwidth.
- Verify that your router supports Gigabit Ethernet.
- Ensure hard drives are healthy and not experiencing performance issues.
6.4 Hard Drive Not Detected
- Ensure hard drives are correctly installed and seated in their bays.
- Check if the hard drives are compatible (3.5-inch HDD/SSD or 2.5-inch SSD).
- Try restarting the NAS.
- If possible, test the hard drive in another device to confirm it is functional.
7. Specifications
Product Parameters (DM200-GY-BP)
| Feature | Specification |
|---|---|
| Product Model | Yottamaster-DM200-GY-BP |
| Operating System | Weline OS |
| CPU | ARM Cortex-A55 1.7GHz (Quad-core) |
| Memory | 2GB DDR4 |
| Flash Memory | 8GB eMMC |
| Rate (Ethernet) | 1GbE (1000 MB/s theoretical, 120MB/s actual local network transmission) |
| Internal Interface | SATA3.0 6Gbps x 2 |
| External Interface | 1 Gigabit Ethernet x 1, USB3.2 GEN1 Type-C x 1, USB3.2 GEN1 Type-A x 1, DC IN 12V x 1 |
| RAID Mode | LVM, RAID 0, 1 |
| Power Supply | DC 12V 5A |
| Hard Disk Capacity | 44TB capacity (Max, 22TB per bay) |
| Hard Disk Type | 2.5"/3.5" SATA HDD, 2.5" SATA SSD |
| Product Size | 233(L)mm*150(W)mm*142(H)mm |
| Certification | CE, FCC, UL |
| Origin | Mainland China |
Figure 14: Product Parameters Table
8. Warranty and Support
8.1 After-Sales Services
Yottamaster provides comprehensive after-sales support for the MetaCube DM200. Services include:
- 5 Year Warranty
- Online Tutorial Video/Text
- Lifetime Software Update
- One-to-One VIP Service
Figure 15: MetaCube After-Sales Services
8.2 Contact Information
For technical support or inquiries, please contact Yottamaster customer service:
- Contact Number: 400-6696-298
- Working Time: Monday to Sunday (Except holidays), AM 9:30-12:00, PM 13:30-18:00 (China Standard Time)
9. User Tips
- Regular Backups: Even with RAID 1, it's good practice to have an additional backup of critical data to an external drive or cloud service.
- Secure Your Access: Always use strong, unique passwords for your NAS and Weline APP accounts.
- Monitor Drive Health: Periodically check the health status of your installed hard drives through the Weline APP to prevent data loss.
- Firmware Updates: Keep your NAS firmware updated to ensure optimal performance, security, and access to new features.
- Organize Your Data: Utilize the AI intelligent classification features to keep your photos and videos well-organized for easy retrieval.
