Motorola PTP 500 User's Guide Page 115

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PTP 300 and PTP 500 Series User Guide Configuration options for TDD synchronization
phn-1115_006v000
Sep 2010
2-27
Cluster with PTP-SYNC and GPS receiver
Each link requires one PTP-SYNC unit. Each site requires one compatible GPS
receiver. Collocated PTP-SYNC units are connected together in a daisy-chain. Between
two and ten PTP-SYNCs may be chained in this way. Use this configuration where a
site contains collocated TDD master ODUs in an extended network and where multiple
sites have TDD master ODUs (Figure 2-10).
Th
e wireless
configuration settings are:
Master Slave Mode = ‘Master’ (all ODUs in cluster).
TDD Sync Device = ‘PTPSYNC’ (all ODUs in cluster).
Cluster Master Slave = ‘Cluster Master’ (first ODU) and ‘Cluster Slave’ (others).
PTP Sync Site Reference = ‘GPS/1PPS External’ (all ODUs in cluster).
Figure 2-10 TDD synchronization configuration – cluster with PTP-SYNC and GPS
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