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General Information
Specifications and Regulatory Information
Table 1-4. Optical Interface Specifications and Characteristics
Insertion Loss
a
Single-mode switches
Multi-mode switches
Insertion Loss Stability
b
Repeatability
c
Sequential switching
Random switching
d
Optical Return Loss
Single-mode
Multimode
Polarization Dependent Loss
Isolation
Typical Switching Life
Switching Time
Between adjacent channels
Each additional channel
a. Insertion loss does not include connectors. Include an additional 0.5 dB (0.25 dB characteristic) for each
connector.
b. Drift of any channel relative to one assigned reference channel at ±3
over 7 day period.
c. Repeatability measured after four (4) hours warm-up and with a one (1) second pause between
movements.
d. Excludes external pigtail backscatter and connector reflections.
e. Polarization dependent loss only applies to single-mode switches and is measured at 1550 nm.
1-8
1.0 dB (0.7 dB)
0.8 dB (0.6 dB)
±0.03 dB (±0.025)
±0.008 dB (±0.005)
±0.025 dB (±0.01)
58 dB (62 dB)
20 dB (25 dB)
0.05 dB (0.02 dB)
e
–80 dB (–100 dB)
10 million cycles, minimum
330 msec
50 msec
°
C deviation of ambient temperature
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