QNAP HS-251 - User Manual

2015/01/14
QNAP Turbo NAS
Hardware User Manual
© 2015. QNAP Systems, Inc. All Rights Reserved.

Summary

Regulatory Notice

FCC Notice

Information about FCC compliance classes and statements.

FCC Class B Notice

Device compliance with FCC Part 15 rules for residential environments.

CE Notice

QNAP NAS compliance with CE standards.

Symbols in this document

Safety Warnings

Chapter 1. CPU and Memory Specifications

Chapter 2. Power Button and Reset Button Behavior

Chapter 3. USB One Touch Copy

Chapter 4. LED and Alarm Buzzer Specifications

Chapter 5. Upgrade Memory on QNAP Turbo NAS (RAM Module Installation)

TS-451 S, TS-651, TS-851, TS-x53;x53 S Pro, TVS-x63 series (2;4;6;8-bay)

RAM upgrade for specific models.

TS-451 U, TS-x53 U series (4;8;12-bay)

RAM upgrade for TS-451U/TS-x53U.

TS-251, TS-451

RAM upgrade for TS-251/TS-451.

Chapter 6. Network Expansion Card Installation

TVS-463, TVS-663, TS-879 Pro, TS-1079 Pro

Network card install for TVS/TS Pro models.

TS-879 U-RP, TS-1279 U-RP, TS-EC1279 U-RP, TS-1679 U-RP

Network card install for TS-879U/TS-EC series.

Chapter 7. Install and Hot-swap Hard Drives

Install Hard Drives

Installing drives in TS-112P, TS-212P, TS-251C.

Hard-swap Hard Drives

Drive compatibility & hot-swap.

Chapter 9. Use the LCD Panel

Chapter 10. Install Power Supply Unit

1 U Turbo NAS

PSU install for 1U Turbo NAS.

TS-470 U-RP;SP

PSU replacement for TS-470U-RP/SP.

2 U;3 U Turbo NAS models

PSU replacement for 2U/3U Turbo NAS.

Technical Support

GNU GENERAL PUBLIC LICENSE

Appendix A: Product Compliance Class

QNAP HS-251 Specifications