Cyan Z-Series Engineering and Planning Guide Release 5.0
Page 158 © 2013 Cyan, Inc. – All Rights Reserved. 700-0023-05-00 Rev. 1
4.2 App 2: OC-48/STM-16 Transport
In this application, the Cyan Z33 shelf or the Z77 shelf transports OC-48/STM-16 signals. The system
transponds the OC-48/STM-16 signals and maps each to ODU1 inside the card and then multiplexes four
ODU1 signals into a single OTU2 signal. The OTU2 signal is mapped into a specific wavelength using
DWDM XFP transceivers. ODU1 add/drop capability is available. The system would contain the
2.5G-LME4 and LAD-4/A or LAD-8/A/E/i/X line cards depending on the number of waves and distances
required. The primary purpose of this application is to transport OC-48/STM-16 signals from A to B, but
can also perform the add/drop capability.
TDM
OTU-2 format
1 O-E-O network
3/7 waves available for future expansion
Z33
Z77
Z33
OC-48/STM-16
Z33
LAD-8X 40 dB 160 km
Link
Budget
Reach
LAD-4/8A 24 dB
128 kmLAD-8E
LAD-4/8/8i
32 dB
96 km
64 km16 dB
Typical configuration:
2 x LAD-4, LAD-4 A or 2 x LAD-8, LAD-8i, LAD-8A, LAD-8E, LAD-8X
2 x 2.5G-LME4
Figure 80: OC-48/STM-16 Transport
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