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Quantum and Evolution Series Installation and Operating Handbook
The Tx clock is generated from the Rx output clock. This is only of any
practical use when the Rx clock is set to Satellite or Station clock.
Station
The Tx clock is generated from the station clock.
Hub
Factory
Internal
default:
Sets the clock source for the Tx path.
Description:
If the RS232 terrestrial interface is active, then the following option will be displayed at
this point:
Asynchronous data: [On]
When asynchronous operation is switched on, then the external RS232 clock is ignored
and the data is clocked by an oversampled internal clock. This can help overcome 'data
marginal' type of problems in some circumstances.
If the Tx clock is set to Internal, a G.703 interface card is fitted but NOT currently selected
and the G.703 clock extension SAF feature is enabled then the following menu will be is
displayed at this point:
Use G.703 as clock reference:
This allows the G703 clock to be forwarded over satellite as a clock reference (see
Section 8.8 for further details).
Options:
OFF
E1
1:[Off]
2:[On]
[Off]
New: E1
7-43
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