YOKOGAWA AQ7277 REMOTE OPTICAL TIME DOMAIN REFLECTOMETER
The AQ7277 is an OTDR module for RFTS (Remote Fiber Test Sytem), which uses the advanced technology transferred from the AQ7275 high performance OTDR.
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
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Wavelength |
1650±5 nm |
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Distance range (km) |
0.5, 1, 2, 5, 10, 20, 50, 100, 200, 300, 400 |
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Pulse width |
3, 10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000 |
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Sampling resolution |
5 cm, 10 cm, 20 cm, 50 cm, 1 m, 2 m, 4 m, 8 m, 16 m, 32 m |
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Dynamic range *1 |
37dB (typ.) |
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Event dead zone *2 |
0.8m (typ.) |
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Attenuation dead zone *3 |
12m (typ.) |
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Distance measurement accuracy |
±1 m ± measurement distance x 2 x 10-5 ± 1 sampling resolution |
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Number of sampling data |
Max. 100,000 points |
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Control interface |
LAN (10BASE-T, 100BASE-TX), USB1.1 (Type B) |
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Alarm Output |
Status query, LED drive signal |
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Environmental Conditions |
Operating temperature |
0 to +50 °C |
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Storage temperature |
-20 to +60 °C |
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Humidity |
85% RH or less (no condensation) |
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Power requirements |
DC+12V (EAIJ voltage division 5), 18W |
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Dimensions and mass |
190 mm (H) x 73 mm (W) x 280 mm( D), Approx. 2 kg |
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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
Note: The specifications apply to the temperature range 23 °C ± 2 °C, unless otherwise noted. |
