Cisco 1921 설치 및 업그레이드 - 페이지 3

{카테고리_이름} Cisco 1921에 대한 설치 및 업그레이드을 온라인으로 검색하거나 PDF를 다운로드하세요. Cisco 1921 24 페이지. 1900 series

Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs

This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the

Warning

absence of a suitably installed ground conductor. Contact the appropriate electrical inspection

authority or an electrician if you are uncertain that suitable grounding is available. Statement 1024

Hazardous network voltages are present in WAN ports regardless of whether power to the router is

Warning

OFF or ON. To avoid electric shock, use caution when working near WAN ports. When detaching

cables, detach the end away from the router first. Statement 1026

Blank faceplates and cover panels serve three important functions: they prevent exposure to

Warning

hazardous voltages and currents inside the chassis; they contain electromagnetic interference (EMI)

that might disrupt other equipment; and they direct the flow of cooling air through the chassis. Do not

operate the system unless all cards, faceplates, front covers, and rear covers are in place. Statement

1029

Warning

Only trained and qualified personnel should be allowed to install, replace, or service this equipment.

Statement 1030

Warning

To prevent personal injury or damage to the chassis, never attempt to lift or tilt the chassis using the

handles on modules (such as power supplies, fans, or cards); these types of handles are not designed

to support the weight of the unit. Statement 1032

Do not use this product near water; for example, near a bath tub, wash bowl, kitchen sink or laundry

Warning

tub, in a wet basement, or near a swimming pool. Statement 1035

Never install telephone jacks in wet locations unless the jack is specifically designed for

Warning

wet locations. Statement 1036

Never touch uninsulated telephone wires or terminals unless the telephone line has been

Warning

disconnected at the network interface. Statement 1037

Warning

Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote

risk of electric shock from lightning. Statement 1038

Warning

To report a gas leak, do not use a telephone in the vicinity of the leak. Statement 1039

Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs

Safety Warnings