Motorola PTP 500 User's Guide download pdf (Page 232)

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101

Data rate calculations Chapter 4 Reference information

phn-1115_006v000

4-80

Sep 2010

Data throughput capacity

The following tables show the data throughput rates (Mbits/s) that are achieved when

the link distance (range) is 0 km:

• Table 4-60 - PTP 300, link symmetry = adaptiv

e or 3:1

• Table 4-61 - PTP 300, link symmetry 1:1, link optimization

• Table 4-62 - PTP 300, link symmetry 1:1, link optimization

TDM

• Table 4-63 - PTP 500 Full, link symmetry =

adaptive or 3:1

• Table 4-64 - PTP 500 Full, link symmetry 1:1, link optimi

zation IP

• Table 4-65 - PTP 500 Full, link symmetry 1:

1, link optimization TDM

Use the curves in Range adjustment curves on page 4-87 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:

• Throughput for Link Symmetry 3:1 is the same as that for 1:3, 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.

• PTP 500 Lite data rates are half the quoted PTP 500 Full rates.

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