Quantum and Evolution Series Installation and Operating Handbook
7-90
If the Rx clock is set to Satellite,
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
is displayed at this point:
This allows a high stability G.703 clock reference to be generated from the satellite signal
(see Section 8.8 for further details).
Options:
OFF
E1
T1
Factory default:
OFF
Description:
Allows a high stability reference signal to be transferred across satellite.
7.3.3.2.4 Edit-Rx-Clocks-Buffer Screen
Units:
ms
Minimum value:
0
Maximum value:
99
Step size:
1
Factory default:
8
Description:
Buffer capacity for received data. This is used when the Rx clock is not
set to
Satellite
. Should the capacity be exceeded (unflow or overflow)
and the buffer slips, then it will slip by exactly half its chosen capacity,
back to 50% full. See The buffer fill state can be viewed on the
Status
Demodulator
screen. Section 8.1 for details of how the buffer operates.
Gen G.703 as clock extension ref:
[Off]
New: E1
Buffer size:0 to 99ms
[8] Step 1ms
New: 8
Содержание Quantum
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Страница 348: ...Quantum and Evolution Series Installation and Operating Handbook 13 20 Modem Error Probability versus Eb No 16QAM Turbo...