Advantech SKY-4120B, User Manual

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iii SKY-4120B User Manual
/ 用户手册
Online Technical Support
/在线技术支持/線上技術支援
For technical support and service, please visit our support website at
http://support.advantech.com
如需技术支持和服务，请访问研华公司的网站
http://support.advantech.com.cn
若需技術支援及其它服務，請連結研華公司的支援網站
http://support.advantech.com.tw
Safety Instructions
/ 安全指示
1. Read these safety instructions carefully.
2. Retain this user manual for future reference.
3. Disconnect the equipment from all AC outlets before cleaning. Use only a damp
cloth for cleaning. Do not use liquid or spray detergents.
4. For pluggable equipment, the power outlet must be located near the equipment
and easily accessible.
5. Protect the equipment from humidity.
6. Place the equipment on a reliable surface during installation. Dropping or letting
the equipment fall may cause damage.
7. For rack-mounted equipment, install the pallets or sliding rails into the device
rack.
8. Do not leave this equipment in an unconditioned environment where the storage
temperature fluctuates below 0
°
C (32
°
F) or above 40
°
C (104
°
F). This may
damage the equipment.
9. The openings on the enclosure are for air convection. Protect the equipment
from overheating. Do not cover the openings.
10. Ensure the power voltage is correct before connecting the equipment to a power
outlet.
11. Position the power cord away from high-traffic areas. Do not place anything over
the power cord.
12. All cautions and warnings on the equipment should be heeded.
13. If unused for a long time, disconnect the equipment from the power source to
avoid damage from transient overvoltage.
14. Never pour liquid into an opening. This can cause fire or electrical shock.
15. Never open the equipment. For safety reasons, the equipment should be
opened only by qualified service personnel.
16. If one of the following situations occurs, have the equipment checked by service
personnel:
 The power cord or plug is damaged.
 Liquid has penetrated into the equipment.
 The equipment has been exposed to moisture.
 The equipment is malfunctioning, or does not work according to the user
manual.
 The equipment has been dropped and damaged.
 The equipment shows obvious signs of breakage.
17. The equipment features a battery-powered real-time clock circuit. Batteries are
at risk of exploding if incorrectly replaced. Replace only with the same or equiv-