D-Link Corporation



D-Link Corporation

DNS-1550-04 ver. A1

1U-4 Bay Rackmount SMB NAS

External Product Spec

Version 1.1

Date: 2011/4/27

Revision History

|Version |Revised Date |Person Name |Description |

|1.0 |2011/1/20 |Neo Yin |First Release |

|1.1 |2011/4/27 |Neo Yin | Add product picture, remove vendor’s name |

| | | | |

1. Product Features:

1 Hardware Specifications

DNS-1550-04 is the Intel processor based x86 platform. The default RAM size is 2GB. DNS-1550-04 also equips with two Gigabit Ethernet ports that can be used for both NAS and iSCSI architectures. Please refer to Table 2-1 for more detail.

Table 2-1 DNS-1550-04 Hardware Spec

|Form Factor |1U-Rack |

|Processor |Intel Atom D525 Dual-Core 1.8GHz |

|RAM (SO-DIMM slot x 1) |2GB |

|Flash |256MB |

|LCD Module |No |

|Power Supply |226W x 2 (80 PLUS) |

|Gigabit Ethernet Port |2 |

|USB 2.0 Port |5 |

|Chassis |Metal |

|HDD Tray |Yes |

2 Front and Rear Panel Components

Table 2-2 Front Panel component and function description

|Item |Function Description |

|Ethernet Status LED |Identify the network status: |

| |LED – Orange: Network active in 100 MB/s |

| |Green: Network active in 1000 Mb/s |

|One-Touch Backup LED |Identify the one touch backup status (blinking while the process is running) |

|Disk Status LED |No drive: dark |

| |Drive is normal: blue |

| |Disk error: red |

| |Disk rebuilding: orange |

| |Physical drive locate: flashing blue |

|Disk Activity LED |Disk access status |

|System Status LED |Power on: flashing blue -> orange -> red |

| |Booting to OS: red |

| |System ready: blue |

| |Disk array degrade: orange |

| |Disk array offline: red |

| |Enclosure error: red |

| |Enclosure locate: flashing blue |

|USB Connection |For flash drive backup (pen drive to NAS) |

|One-Touch Backup Button |Enable the one-touch backup |

| |Flashing blue while the backup process us running |

|Power Button |Power on/off the NAS |

|Select Button |Configuration selection |

|Enter Button |Setting confirmation |

|Disk Carrier |Disk Carrier |

Table 2-3 Rear panel component and function description

|Item |Description |

|USB Connection |For USB printer and flash drive backup |

|RJ45 Network Connection |For Ethernet cable connection |

|VGA Output |VGA output for debug |

|System Cooling FAN |System cooling fan |

|Power Connection |Power cord connection |

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3 Software Specifications

1 RAID Management

Table 3-1 describes major RAID management features in DNS-1550-04.

Table 3-1 DNS-1550-04 RAID Management

|Item |Description |

|Support RAID Type |0,1,5,6,10, JBOD |

|RAID/Disk Roaming |Yes |

|Hot-swap |Yes |

|Online RIAD Migration |Yes |

|Online Capacity |Yes |

|Media Patrol |Yes |

|Redundancy Check |Yes |

| |Redundancy Check (RC) is performed on all fault tolerance RAID logical drives. |

|Rebuild |Yes |

| |Support both auto and manual rebuild. |

|PDM |Yes |

| |With Predicative Data Migration (PDM), the controller constantly monitoring the drive’s status, such as |

| |error retries, sector re-mapping, SMART PFA. Once the controller detects the unhealthy status, the data |

| |will be copied from unhealthy drive to the spare drive. During this process, the unhealthy drive is still|

| |online and fully functioned. The unhealthy drive will be tagged as offline after the copy finish. |

|Synchronization |Yes |

| |This feature increases the write performance and runs in the background automatically. |

2 System Management and Configuration

DNS-1550-04 provides the GUI for the system configuration. It supports:

Table 3-2 Major Management function

|Item |Description |

|Web-based Management |the GUI interface provides the friendly interface for the system configuration. |

|Management Console |HTTP, Telnet, SSH |

|System Dashboard |Display major system information in the single page. |

|E-mail alert |Yes |

|Firmware Upgrade Notice |The NAS unit will connect to firmware server to check if there is the new version. |

|Resource Monitor |Monitor the NAS system status: CPU, RAM, Temperature, |

|DDNS |Yes |

|NTP |Yes |

|System logo |NVRAM Event, Runtime Event, Logo export |

|System configuration export and |Yes |

|import | |

|Safe Mode |Users can recovery the system in cased of firmware upgrade fail |

|Reset to Factory mode |Yes |

3 Networking and File Sharing

Table 3-3 Major Networking and file sharing function

|Item |Description |

|DHCP |Support both Client and Server |

|TCP/IP |Supports both IPV4 and IPV6 |

|iSCSI |Supports both iSCSI target/imitator mode, CHAP, LUN mapping, LUN Masking, MPIO |

|Sharing Protocol |SMB/CIFS, NFS, AFP, FTP, WebDAV |

|SNMP |Yes |

|Max User Account |4096 |

|Max Group |512 |

|Max Shared Folders |512 |

|Max Concurrent Connection |256 |

4 Backup Solution

Table 3-4 Backup solutions

|Item |Description |

|Client Backup |a rsync base backup utility supports schedule and instantly backup. |

| |support most 3-patry backup solution like Acronis backup and recovery. |

|Local Backup |DNS-1550-04 equips with 5 USB port that can be used for external flash drive backup and restore. The|

| |front end USB port is used for backup to NAS. The rear USB ports are used for backup from NAS to |

| |flash drive. |

|Remote Backup |DNS-1550-04 is able to backup to rsync backup server. Remote backup support volume snapshot before |

| |backup. |

|One Touch Backup |Backup from USB flash drive to NAS |

|Snapshot |DNS-1550-04 snapshot consists of two unique features: |

| |Snapshot volume capacity expansion |

| |Users can access its snapshot home folder |

|Cloud storage backup |DNS-1550-04 supports Amazon S3 cloud storage backup services. |

5 Power and Disk Management

Table 3-5 Power and Disk Management

|Item |Description |

|Power Saving Mode |Yes |

|Schedule Power on/off |Yes |

|Wake-on-LAN |Yes |

|Auto Power Recovery |Yes |

|MAID 2.0 |Yes |

|S.M.A.R.T |Yes |

6 Multimedia Application

Table 3-6 Multimedia Applications

|Item |Description |

|Squeeze Center |Yes |

|iTunes Server |Yes |

|Firefly |Yes |

|UPnP Server |Yes |

|Windows 7 logo |Yes |

7 File System

Table 3-7 File System Support list

|Item |Description |

|NAS System |EXT3 |

|External USB disk |EXT3, EXT4 (SR1), FAT32, XFS, HFS+, NTFS |

8 Support Client OS and Browser

Table 3-8 Support client OS and Browser

|Item |Description |

|Client OS |Windows Server: Windows 2000/2003/2008 |

| |Windows workstation: Windows XP, Windows Vista, Windows 7 |

| |Mac: OS9, OSX |

| |Linux |

|Web Browser |Internet Explorer 7+, Firefox 3.6 and above, Safari 5.0 and above, Google Chrome |

9 Language Supports

DNS-1550-04 UI and QSG (Quick Start Guide) supports multi language includes: English, French, Spanish, German, Japanese, Simplified Chinese, Traditional Chinese, Korean, Russian, Italian.

4. ID and Mechanical Design

|Metal Case |

|■19" Metal Case □ 11" Metal Case □ Others |

|Plastic Case |

|□ D-Link Big Size 235x162x36mm □ D-Link Middle Size 193x118x31mm |

|□ D-Link Small Size 142x109x31mm □ D-Link Palm Size 104x61x28mm |

|□ D-Link Mini D Size 90x82x31mm □ D-Link Pocket Size 80x52x27mm |

|□ Others |

Dimension 429(L) * 442 (W) * 44 (H) mm

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Technical Specifications

1 Product Dimension

429(L) * 442 (W) * 44 (H) mm

2 Power Supply

226W x 2 (80 PLUS Bronze)

Input Voltage: 100-240 V(AC)

Input Frequency: 50-60 Hz

Input Current: 3.5~1.5A

3 Operating Conditions

Temperature: Operating: 5°C to 35°C

Humidity: Operating 10% to 85%

4 Warranty

3 years

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