Contents
phn-0896_012v000
Jul 2010
vii
PTP-SYNC unit ........................................................................................................................1-20
PTP-SYNC unit description ...............................................................................................1-20
PTP-SYNC unit interfaces .................................................................................................1-21
PTP-SYNC maximum cable lengths...................................................................................1-22
Wireless operation ..................................................................................................................1-23
Time division duplexing ....................................................................................................1-23
Link mode optimization.....................................................................................................1-25
Link symmetry...................................................................................................................1-25
OFDM and channel bandwidth .........................................................................................1-26
Spectrum management .....................................................................................................1-27
Adaptive modulation .........................................................................................................1-28
MIMO ................................................................................................................................1-29
Intelligent dynamic frequency selection ...........................................................................1-29
Radar avoidance................................................................................................................1-30
Security .............................................................................................................................1-31
Region codes .....................................................................................................................1-31
PTP networks ....................................................................................................................1-32
TDD synchronization.........................................................................................................1-33
Ethernet bridging....................................................................................................................1-36
Customer network.............................................................................................................1-36
Management network .......................................................................................................1-37
Back-to-back links .............................................................................................................1-39
Protocol model ..................................................................................................................1-39
Telecoms circuits ....................................................................................................................1-41
Lowest telecoms modulation mode ...................................................................................1-41
Fixed frequency operation ................................................................................................1-41
Further reading.................................................................................................................1-42
System management ...............................................................................................................1-43
Management agent ...........................................................................................................1-43
Web server ........................................................................................................................1-43
RADIUS authentication .....................................................................................................1-46
SNMP ................................................................................................................................1-46
SNMPv3 security...............................................................................................................1-47
System logging (syslog) ....................................................................................................1-51
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