Cisco GS7000 문제 해결 - 페이지 2

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Cisco GS7000에 대해서도 마찬가지입니다: 설치 지침 매뉴얼 (13 페이지), 유지 관리 매뉴얼 (15 페이지), 문제 해결 매뉴얼 (12 페이지)

페이지 인쇄

Troubleshooting the node

Problem

Node is not powered up

No power, all LEDs are

off

Only Power LED is on,

the other two LEDs are

off

No RF output on one or

more forward RF ports

No RF output on one or

more reverse RF ports

AGC does not lock

Troubleshooting

Solution

• Verify that power is connected to the proper inputs and the powering

shunts/fuses are correctly installed.

• Verify that power supply is installed in the correct power supply slot.

• Verify that AC input power is within the operating range (45 to 90 VAC

rms).

• Verify DC outputs on power supply test points.

Check whether shunt fuse and node power supply module have been installed

correctly.

Software OS may be not boot up correctly, cycling power supply or press OIB

reset button using a hard slim object through the reset hole.

• Verify that the ports are turned on with LCS.

• Verify input cabling and the RF input levels are as expected.

• Verify the Fwd RF cable between OIB and Launch amp is connected

properly.

• Verify iRPD is operating.

• Verify segmentation setting with LCS.

• Verify if there is RF port cabling and the RF input levels are as expected.

• Verify the reverse RF cable between OIB and launch amplifier is connected

properly.

• Verify the RF configuration settings.

• Verify the USB cable connection in LCS.

Troubleshooting