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Products: EXFO FOT-300 Optical Loss Tester

The FOT-300 is a highly optimized OLTS that combines light source port and power meter functionality and integrates up to three single-mode light sources or two multimode light sources on a single port that can be transmitted using a wavelength-aware digital encryption protocol. The amount of communication required between two technicians can be reduced, thus reducing the chance of errors.

Highly optimized OLTS with integrated power meter port and up to 3 single-mode light sources or 2 multimode light sources on one port 

260 hours of endurance 

Three-year warranty and recommended calibration intervals significantly reduce cost of ownership 

Ergonomic, eye-catching handheld housing 

Automatic wavelength recognition 

Long-range reference 

Suitable for FTTx.

1. Power meter parameters

Power meter port:          Ge                  GeX 

Power Range (dBm):  10 to –60          26 to –50 

Display Range (dBm): down to –65           down to –50 

Number of calibration wavelengths   10                  10 

Power Uncertainty:    ± 5% ± 1 nW      ± 5% ± 10 nW 

Resolution (dB):    0.01

Display unit: dB/dBm/W 

Automatic Wavelength Recognition: Yes 

Tone Detection (Hz): 270, 1 k, 2 k 

Battery life (hours): 260


2. Light source parameters

Center wavelength (nm): 1310 ± 20 1550 ± 20    850 ± 25  1300 ± 50/–10 

Spectral Width (nm): ≤ 5                     50/135 

Output Power (dBm): ≥ 1/≥ 1                ≥ –20/≥ –20 (62.5/125 mm) 

Power Stability (dB): 8 hours ± 0.10 

Battery life (hours): 120  

Automatic Wavelength Identification: Yes 

Tone Generation (Hz): 270, 1 k, 2 k 

Link loss qualification