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2 optical, 1 optical performance, 2 optical frequencies – Cisco ONS 15200 User Manual

Page 58: 2 optical, 1 optical performance, 2 optical frequencies, Table 6-2, Table 6-3

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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