User`s guide

Module Specifications/Characteristics CSpecifications
E6000C Mini-OTDR User’s Guide, E0302
213
4 Typical Specification at Reflectance ≤ -50 dB at 30 ns
pulsewidth, and with span
≤ 4 km (typical value).
5 Measured with a standard 62.5
µm guided index
multimode fiber at SNR=1 noise level and with 3 minutes
averaging time, optimize dynamic.
6 Reflectance
≤ -35 dB at 5 ns pulsewidth, and with span
≤ 4 km, optimize resolution.
7 Reflectance
≤ -35 dB at 10 ns pulsewidth, and with span
≤ 4km.
Characteristics
Distance Accuracy
A
• Offset Error: ± 1 m
• Scale Error:
± 10
–4
• Sampling Error: ± 0.5 sampling spacing
Loss/Reflectance Accuracy
B
• Backscatter Measurements: ± 0.05 dB (1dB step),
typical
• Reflectance Measurements
C
: ± 2.0 dB, typical
Acoustic Noise Emission < 40dBA, not continuous.
Data are results from type tests per ISO 7779 (EN 27779).
Notes:
A Total distance accuracy = ± (offset error + scale
error*distance + sampling error).
B SNR
≥ 15 dB and with 1 µs, averaging time max. 3
minutes.
C -20 dB to -60 dB