| Connection loss multiplied by the number of connections
in the link: |
|
|
|
|
|
| |
|
|
|
|
|
| ________- μm-to-________- μm connection: |
________ dB |
x |
________ |
= |
________ dB |
| ________- μm-to-________- μm connection: |
________ dB |
x |
________ |
= |
________ dB |
| Splice loss multiplied by total number of splices
in the link: |
________ dB |
x |
________ |
= |
________ dB |
| Jumper cable loss multiplied by the combined length
of the jumper cables: |
________ dB/km |
x |
________ km |
= |
________ dB |
| Trunk loss per kilometer multiplied by the total
trunk length (in km): |
________ dB/km |
x |
________ km |
= |
________ dB |
| |
|
|
|
|
(+) __________ |
| |
|
Total component mean loss |
________ dB |
| |
|
|
|
|
|
| B. Calculating
the multimode component variance loss |
| Connection variance multiplied by the number of
connections in the link: |
|
|
|
|
|
| |
|
|
|
|
|
| ________- μm-to-________- μm |
________ dB2 |
x |
________ |
= |
________ dB2 |
| ________- μm-to-________- μm connection: |
________ dB2 |
x |
________ |
= |
________ dB2 |
| Splice variance multiplied by total number of
splices in the link: |
________ dB2 |
x |
________ |
= |
________ dB2 |
| |
|
|
|
|
(+) __________ |
| |
|
Total component variance
loss |
|
________ dB2 |
| |
|
|
|
|
|
| C. Calculating
the total multimode link loss |
| Total component mean loss: |
|
|
|
= |
________ dB |
| |
|
|
|
|
|
|
Square root of total component variance loss
multiplied by 3: |
|
= |
________ dB x 3 |
= |
________ dB |
| High order mode loss: |
|
|
|
= |
________ dB |
| 50.0-μm trunk = 1.5 dB
|
|
|
|
|
(+) __________ |
| 62.5-μm trunk = 1.0 dB |
|
|
|
|
|
| |
Calculated link loss |
________ dB |
