Cisco 3825 Series 설치 및 업그레이드 - 페이지 9
{카테고리_이름} Cisco 3825 Series에 대한 설치 및 업그레이드을 온라인으로 검색하거나 PDF를 다운로드하세요. Cisco 3825 Series 20 페이지. Integrated services routers
Cisco 3825 Series에 대해서도 마찬가지입니다: 비독점 보안 정책 (30 페이지), 빠른 시작 매뉴얼 (38 페이지), 빠른 시작 매뉴얼 (40 페이지)
페이지 인쇄
Before working on equipment that is connected to power lines, remove jewelry (including rings,
Warning
necklaces, and watches). Metal objects will heat up when connected to power and ground and can
cause serious burns or weld the metal object to the terminals. Statement 43
Do not touch the power supply when the power cord is connected. For systems with a power switch,
Warning
line voltages are present within the power supply even when the power switch is off and the power
cord is connected. For systems without a power switch, line voltages are present within the power
supply when the power cord is connected. Statement 4
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Statement 1003
Safety Guidelines
Follow these guidelines to ensure general safety:
•
•
•
•
•
•
Safety with Electricity
Before working on equipment that is connected to power lines, remove jewelry (including rings,
Warning
necklaces, and watches). Metal objects will heat up when connected to power and ground and can
cause serious burns or weld the metal object to the terminals. Statement 43
Follow these guidelines when working on equipment powered by electricity:
•
•
•
•
•
•
78-18642-01B0
Keep the chassis area clear and dust-free during and after installation.
Place the removed chassis cover in a safe place.
Keep tools away from walk areas where you or others could fall over them.
Do not wear loose clothing that may get caught in the chassis. Fasten your tie or scarf and roll up
your sleeves.
Wear safety glasses when working under conditions that may be hazardous to your eyes.
Do not perform any action that creates a potential hazard to people or makes the equipment unsafe.
Locate the room's emergency power-off switch. Then, if an electrical accident occurs, you can
quickly shut the power off.
Before working on the system, turn off the power and unplug the power cord.
Disconnect all power.
Do not work alone if potentially hazardous conditions exist.
Look carefully for possible hazards in your work area, such as moist floors, ungrounded power
extension cables, and missing safety grounds.
Never assume that power is disconnected from a circuit. Always check.
Installing and Upgrading Fans in the Cisco 3825 Series Routers
Safety Warnings and Guidelines
9