Quantum and Evolution Series Installation and Operating Handbook
7-18
Factory default:
Off
Description:
Framing mode for the Tx path. In general, on the Quantum, all
combinations of SCPC and DVB-S2 services are provided including
DVB-S2 outbound with SCPC return, SCPC both outbound and inbound,
DVB-S2 both outbound and inbound, etc.
SmartLink
mode (see the
Edit-
Tx-FEC-Inner-FEC
screen) allows SCPC features such as Drop and
Insert and the ESC channel to be overlaid on top of DVB-S2, thereby
allowing legacy applications to benefit from the bandwidth saving
efficiencies and extra robustness of DVB-S2.
Edit-Tx-Service- IDR Frame Format Screen
Options:
Low-rate T1/E1
The 12-bit overhead defined for T1/E1 operation in IESS 308 is used.
High-rate T2/E2
The 4-bit overhead on each of three subframes defined for T2/E2
operation is used.
Factory
default:
Low-rate T1/E1
Description:
Controls what IDR frame format is used. The frame format for IDR varies
with data rate. T1/E1 rates use one format and T2/E2 use another. This
option allows a choice of frame format regardless of the data rate. This
menu is displayed following the setting of the Tx Service to IDR.
IDR frame format: [Low-rate T1/E1]
1:Low-rate T1/E1
2:High-rate T2/E2
Содержание Quantum
Страница 36: ...Quantum and Evolution Series Installation and Operating Handbook 7 7 7 3 2 Status Menu Front Panel Status Menus...
Страница 112: ...Quantum and Evolution Series Installation and Operating Handbook 7 83 7 3 3 2 Edit Rx Menu Front Panel Edit Rx Menus...
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Страница 258: ...Quantum and Evolution Series Installation and Operating Handbook 8 32 Eb NoExplanatory Diagram...
Страница 342: ...Quantum and Evolution Series Installation and Operating Handbook 13 14 13 18 Performance Graphs...
Страница 348: ...Quantum and Evolution Series Installation and Operating Handbook 13 20 Modem Error Probability versus Eb No 16QAM Turbo...