Model

EXFO FTBx-750C

Application

Metro / Long-Haul Fiber Testing, Backbone Networks

Wavelength

1310 ±20 / 1550 ±20 nm (Optional: 1625 nm) 

Dynamic Range

Up to 46 / 46 dB 

Event Dead Zone

0.5 m 

Attenuation Dead Zone

2.5 m 

Distance Range

Up to 400 km (long-haul testing)

Pulse Width

3 ns – 20,000 ns 

Linearity

±0.03 dB/dB 

Loss Threshold

0.01 dB 

Loss Resolution

0.001 dB 

Sampling Resolution

0.04 – 10 m

Sampling Points

Up to 256,000 

Distance Uncertainty

±(0.75 + 0.0025% × distance + sampling resolution) 

Measurement Time

User-defined (Max 60 minutes) 

Real-Time Refresh

Up to 4 Hz

Reflectance Accuracy

±2 dB 

Connectivity

USB / LAN / Cloud (EXFO Connect supported) 

Display

High-resolution touchscreen (platform dependent)

Storage

Up to 20,000+ OTDR traces 

Battery

Rechargeable Li-ion, up to ~10 hours operation 

Operating Temperature

-10°C to +50°C 

Storage Temperature

-40°C to +70°C 

Humidity

0–95% (non-condensing)