Cisco Gigabit Switch Router Cisco 12012 교체 지침 매뉴얼 - 페이지 9
{카테고리_이름} Cisco Gigabit Switch Router Cisco 12012에 대한 교체 지침 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Cisco Gigabit Switch Router Cisco 12012 20 페이지. Gigabit switch router cablemanagement
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Cisco Gigabit Switch Router Cisco 12012에 대해서도 마찬가지입니다: 교체 지침 매뉴얼 (34 페이지), 교체 지침 매뉴얼 (6 페이지), 데이터시트 (9 페이지), 설치 지침 매뉴얼 (14 페이지)
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Removing and Replacing a DC-Input Power Supply
The Cisco 12012 supports up to two DC-input power supplies. In systems with dual power supplies,
if one power supply fails, the remaining power supply maintains uninterrupted operation of the
router while you replace the defective supply.
Caution
the DC circuit. To ensure that all power is OFF, locate the circuit breaker on the panel board that
services the DC circuit, switch the circuit breaker to the OFF position, and tape the switch handle of
the circuit breaker in the OFF position.
Removing a Power Supply
Perform the following steps to remove a DC-input power supply:
Step 1
Step 2
Warning
source circuit breaker and remove the power supply before accessing the terminals.
Step 3
Step 4
Before performing any of the following procedures, ensure that power is removed from
Attach an antistatic wrist strap to yourself and to one of the two ESD connection sockets
located on the front edges of the upper card cage or to bare metal on the frame.
If you have not already done so, turn OFF (O) the power switch on the DC-input power
supply.
Turning the power supply switch to OFF (O) releases a latch that secures the power
Note
supply in the power supply bay.
Voltages might be present on the DC-input power supply terminals. Turn off the power
Locate and turn off the source DC circuit breaker that services the power supply you want
to remove. As an added precaution, tape the circuit breaker handle in the off position.
Using a flat-blade screwdriver or a 10-mm nutdriver, turn the captive jackscrew
counterclockwise (eject) to unseat the power supply from the backplane power connector.
Continue turning the jackscrew to disengage the jackscrew from the power supply bay.
Cisco 12012 Gigabit Switch Router DC-Input Power Supply Replacement Instructions
Removing and Replacing a DC-Input Power Supply
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