Cisco GS7000 문제 해결 매뉴얼 - 페이지 2
{카테고리_이름} Cisco GS7000에 대한 문제 해결 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Cisco GS7000 12 페이지. Gainmaker node
forward local injection module
Cisco GS7000에 대해서도 마찬가지입니다: 설치 지침 매뉴얼 (13 페이지), 유지 관리 매뉴얼 (15 페이지), 문제 해결 (4 페이지)
페이지 인쇄
No RF Output at Receiver RF Test Point: Optical Power LED on Receiver Module is off
These notes apply to the previous troubleshooting flowchart.
Note
1
2
Troubleshooting
2
Description
For standard receiver
This unit will have no RF output.
The receiver will not function below this DC
level which is equal to -10 dBm.
• The optimum light level input is -6 to 2
dBm.
• For every 1 dBm change in optical input
power, the RF output will change by 2 dB.
• Excessively high light input levels (> +2
dBm) will cause distortions and/or damage
the photo diode.
For low input receiver
This unit will have no RF output.
The receiver will not function below this DC
level which is equal to -10 dBm.
• The optimum light level input is -10 to -2
dBm.
• For every 1 dBm change in optical input
power, the RF output will change by 2 dB.
• Excessively high light input levels (> -2
dBm) will cause distortions and/or damage
the photo diode.
Troubleshooting