The AQ7277 is an OTDR module for RFTS (Remote Fiber Test Sytem), which uses the advanced technology transferred from the AQ7275 high performance OTDR.
- Measurement at 1650 nm (Maintenance wavelength)
- Built-in 1310/1550 nm cut filter for live-fiber monitoring
- Allow to test PON system through high-port-count splitter
- Ethernet interface for fast data transfer
- Alarm output function
- EXTERNAL VIEW
- SPECIFICATIONS
Wavelength 1650±5 nm Distance range (km) 0.5, 1, 2, 5, 10, 20, 50, 100, 200, 300, 400 Pulse width 3, 10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000 Sampling resolution 5 cm, 10 cm, 20 cm, 50 cm, 1 m, 2 m, 4 m, 8 m, 16 m, 32 m Dynamic range *1 37dB (typ.) Event dead zone *2 0.8m (typ.) Attenuation dead zone *3 12m (typ.) Distance measurement accuracy ±1 m ± measurement distance x 2 x 10-5 ± 1 sampling resolution Number of sampling data Max. 100,000 points Control interface LAN (10BASE-T, 100BASE-TX), USB1.1 (Type B) Alarm Output Status query, LED drive signal Environmental Conditions Operating temperature 0 to +50 °C Storage temperature -20 to +60 °C Humidity 85% RH or less (no condensation) Power requirements DC+12V (EAIJ voltage division 5), 18W Dimensions and mass 190 mm (H) x 73 mm (W) x 280 mm( D), Approx. 2 kg Laser safety standards Class 1M (IEC 60825-1:1993 +A2:2001), 21CFR1040.10 - *1 SNR=1, pulse width: 20 µs, distance range: 200 km, sampling resolution: 8 m, measurement time: 3 minutes. Guaranteed performance: 30 dB.
- *2 Pulse width: 3 ns, return loss: 45 dB or more, at a point 1.5 dB below the peak value (not saturated)
- *3 Pulse width: 10 ns, return loss: 45 dB or more, at a point where the backscatter level is within ?0.5 dB of the normal value