Specifications

Token Ring Desing Considerations
RADring
Installation & Operation Manual
6-14 Fiber Optic Design Considerations 3/11/98 12:26
Fiber Optic Calculation Example with Connectors and Splices
•
TFR or TFC singlemode or multimode
•
Over 9, 50, 62.5 or 100 microns fiber
•
Two splices and one connector
Standard 850 nm 1300 nm
Fiber Type 50 microns 62.5 microns 100 microns 9 microns (singlemode)
Input Power -22 dBm -18 dBm -14 dBm -18 dBm
Sensitivity -32 dBm -32 dBm -32 dBm -33 dBm
Budget 10 dB 14 dB 18 dB 15 dB
Conn. Loss 0.8 dB 0.8 dB 0.5 dB 1.0 dB
Splice. Loss 0.4 dB 0.4 dB 0.4 dB 0.4 dB
Aging 2.0 dB 2.0 dB 2.0 dB 2.0 dB
Rem. Budget 6.8 dB 10.8 dB 15.1 dB 11.6 dB
Att dB/km 3.0 dB 3.4 dB 4.0 dB 0.7 dB
Max. Distance 2.3 km 3.1 km 3.7 km 16.5 km