Loaded with FasTest, VFL, talk set  and ORL options with mandril, RS-232, AC adapter, manual, and version 2.0R1 software.

Unit is not calibrated. Internal NiMH battery does not hold charge, but the FOT-920 functions off of a 9V battery or AC adapter. Internal battery not covered by warranty.


  • FasTest/Source port
  • VFL port
  • Talk Set port
  • Optical Return Loss (ORL) option
  • Mandril
  • RS-232 cable and adapter
  • Manual
  • AC adapter
  • 9V battery
  • Software version 2.0R1 installed
  • Travel case (type may vary)

Manufacturer Specifications

Please note item is used and not calibrated. Item may or may not meet manufacturer specifications without calibration.

Power Meter

Detector type Ge (2mm)
Measurement range (dBm) 10 to -68
Uncertainty (%) ±5
Wavelength range (nm) 780 to 1625
Resolution (dB) 0.01
Linearity (dB) ±0.06


Emitter type laser
Wavelengths (nm) 1550±25/ 1625±25
Output power (dBM) ≥ -7/-7
Spectral width (nm) ≤ 5/10
Stability (8 hours) (dB) ± 0.1/±0.1
FasTest range (dB) 60
Maximum deviation (dB) ± 0.35/±0.5
ORL range (dB) 65
ORL uncertainty (dB) ±0.4

Talk Set Option

Emitter type laser
Wavelength (nm) 1550 ±25
Dynamic range (dB) 45

VFL Option

Emitter type laser
Wavelength (nm) 650 ±10
Output power (dBm) (typical) -1

General specifications

Size (H x W x D) 22.7 cm x 11.1 cm x 6.4 cm (8 7/8 in x 4 3/8 in x 2 1/2 in)
Weight 1 kg (2.2 lb)
Temperature operating -10°C to 50°C (14°F to 122°F)
Temperature storage -20°C to 60°C (-4°F to 140°F)
Storage capacity 512 fibers
Relative humidity 0% to 95% non-condensing
Warranty 14-Day Warranty

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EXFO FOT-922 MaxTester Automated Loss Test Set Singlemode 1550/1625nm

  • Item ID: 252297
  • Brand: EXFO
  • Model: FOT-920
  • Availability: In Stock
  • Condition: Used
  • $790.00
  • $592.50

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Tags: EXFO, FOT-920, Optical, Loss, Test, Sets, FOT-922, MaxTester, Automated, Set, Singlemode, 1550/1625nm