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请教各位大哥前辈，有谁能告诉我这份光纤测试报告是否合格？测试人员告诉我结果是标准范围内，我这里给两份最远和最近两处测试的结果。系统是星型结构采用多模光纤50/125 ，lc连接到千兆光纤收发器再由千兆网线连接到hp2610交换机上的 发现问题是最近100米和150米处的网络丢包情况还好些，再之后几个点最远到560多米的时候丢包就越来越严重。各位大哥能帮忙分析下到底是哪里出了问题，是不是光纤收发器功率不足导致距离大了掉包严重的情况？另外有没有什么好点的收发器牌子可以推荐下的要千兆多模的工作稳定点的。小弟在此多谢啦

第二个附件在这里

----------------------- Page 1-----------------------

 Fiber Trace Unicode Viewer v6.70  ? JDSU                                                                   2011-01-21 22:18:02                                                                                                               1

 File

 File :                         zks-7-1.sor                                     Device :                        Num. 0
 Date :                         2011-01-20 18:57:52                             Module :                        Num. 423579

 Configuration

 Operator :                                                                     Direction :                    O-->E                                            Backscatter coeff.:                          -79.40 dB
 ORIGIN                                                                         Origin :                                                                        Event detection threshold
    Cable :                     0                                               End :                                                                               Splices :                                No
    Fiber :                      05                                             Wavelength (nm) :  1298                                                             Slopes :                                 0.000 dB/km
    Color :                     ---                                             Index :                        1.467700                                             Reflectances :                           All
 END                                                                            Pulse (ns) :                   30                                               Alarm threshold
    Cable :                     0                                               Range (km) :                   1.250
    Fiber :                      05                                             Average :                      5072
    Color :                     ---                                             Resolution :                   -

 Comment

 Comment :

 Job

 OTDR Trace

                               1                             2 3
   dB 

      -30

                                                                                                                                                                                                            Global Orl : 24.65 dB

      -40

      -50
                                 m
                                    
                                5
                                4
                                   .                           m m
                                2                                    
                                6                              53
                                1                              70
                                                                 . .
                                                               29
                                                               23
                                                               33
      -60

                                                                                             500                                                                                          1000                                        m 

   A :         0.00     m                                                      B :          0.00    m                                                        B - A :            0.00  m
           -39.463      dB                                                             -39.463      dB                                                                        0.000  dB
                                                                                                                                                                             - - -   dB/km

                                                                                                                       1

----------------------- Page 2-----------------------

 Fiber Trace Unicode Viewer v6.70  ? JDSU                                                                                                   2011-01-21 22:18:08                                                                                                                                                     1

 File

 File :                                  zks-7-1.sor                                                    Device :                                 Num. 0
 Date :                                  2011-01-20 18:57:52                                            Module :                                 Num. 423579

 Table

              Event                               Distance                                  Loss                            Reflectance                                  Slope                            Rel. Dist.                             Total loss                            Uncertainty
                 (3)                                    (m)                                  (dB)                                   (dB)                                (dB/km)                                   (m)                                   (dB)

   1                                                       162.45                                                               >-22.16                                                                              162.45

   2                                                       322.75                                                                        -42.01                                                                      160.30

   3                                                       339.03                                                                        -57.84                                                                       16.28

                                                                                                                                                          2

[此贴子已经被作者于2011-1-23 12:14:47编辑过]

1
Fiber Trace Unicode Viewer v6.70 ? JDSU 2 011-01-21 22:35:33 1
File
File :
Date :
Device :
Module :
zks-86-1.sor
2011-01-20 19:56:03
Num. 0
Num. 423579
Configuration
Operator :
ORIGIN
Cable :
Fiber :
Color :
END
Cable :
Fiber :
Color :
Direction :
Origin :
End :
Wavelength (nm) :
Index :
Pulse (ns) :
Range (km) :
Average :
Resolution :
0
0
---
0
0
---
O-->E
1298
1.467700
30
1.250
5072
-
Backscatter coeff.:
Event detection threshold
Splices :
Slopes :
Reflectances :
Alarm threshold
-79.40 dB
No
0.000 dB/km
All
Comment
Comment :
Job
OTDR Trace
A : 0.00 m
-39.828 dB
B : 0.00 m
-39.828 dB
B - A : 0.00 m
0.000 dB
- - - dB/km
1
567.71 m
2
36.05 m
Global Orl : 37.84 dB
500 1000 m
-60
-50
-40
-30
dB
2
Fiber Trace Unicode Viewer v6.70 ? JDSU 2 011-01-21 22:35:39 1
File
File :
Date :
Device :
Module :
zks-86-1.sor
2011-01-20 19:56:03
Num. 0
Num. 423579
Event
(2)
Distance
(m)
Loss
(dB)
Reflectance
(dB)
Slope
(dB/km)
Rel. Dist.
(m)
Total loss
(dB)
Uncertainty
1 567.71 >-17.00 567.71
2 1136.05 -29.90 568.34
Table

谢谢楼主!!!向楼主学习!!!!!支持!!!