User's Guide Part 2

Data rate calculations Chapter 4 Reference information
phn-0896_009v003
4-102
UNDER DEVELOPMENT
Feb 2010
Data throughput capacity
Table 4-62, Table 4-63, Table 4-64, Table 4-65 and Table 4-66 show the data
throughput rates (Mbits/s) that are achieved when two PTP 600 Full ODUs are linked
and the link distance (range) is 0 km. Use the curves in Range adjustment curves on
page 4-113
to adjust these figures to allow for link range.
NOTE
When using these tables, be aware of the factors that affect data throughput,
as listed below.
Data throughput capacity is restricted by the following factors:
• PTP 600 Lite data rates are half the PTP 600 Full rates given in this section.
• Modulation Mode “256QAM 0.81 dual” is not available in all product variants and
channel bandwidths.
• Throughput for Link Symmetry 2:1 is the same as that for 1:2, but the Tx and Rx
data rates are swapped.
• The data rates for Adaptive symmetry apply to the most asymmetric case where
the link has significant offered traffic in one direction only. The data rates for
Adaptive symmetry with bidirectional offered traffic are the same as those for
Link Symmetry = 1:1 with Link Optimization = IP.