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6-2
Cisco ONS 15200 Product Description
78-13766-01
Chapter 6 Engineering Specifications
Optical
6.2 Optical
This section describes optical performance, frequencies, and signal loss.
6.2.1 Optical Performance
Table 6-2 provides information about ONS 15200 optical performance.
6.2.2 Optical Frequencies
Table 6-3 shows how the sixteen optical channels are spaced.
Number of unprotected channels No optical protection (16 A-side
channels and 16 B-side
channels)
32 Channels
Number of mixed fiber-protected and
unprotected
Sum of 2 * # (fiber-protected
channels) + # (unprotected
channels)
32 Channels
Table 6-1 System Parameters (continued)
Parameter Condition Maximum
Unit
Table 6-2 System Performance
Parameter Condition Minimum Unit
Maximum optical dispersion tolerance
(very long-range transmitter)
At 2.0 dB optical penalty 3000 ps/nm
Maximum optical dispersion tolerance
(long-range transmitter)
At 2.5 dB optical penalty 1800 ps/nm
Maximum optical dispersion tolerance
(medium-range transmitter)
At 2.0 dB optical penalty 1800 ps/nm
Table 6-3 Channel Spacing
ITU Channel
Frequency
(THz)
Wavelength
(nm)
23 192.3 1558.98
25 192.5 1557.36
27 192.7 1555.75
29 192.9 1554.13
31 193.1 1552.52
33 193.3 1550.92
35 193.5 1549.32
37 193.7 1547.72