1 .. SPDX-License-Identifier: GFDL-1.1-no-invari 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 2
3 .. _frontend-property-cable-systems: 3 .. _frontend-property-cable-systems:
4 4
5 ***************************************** 5 *****************************************
6 Properties used on cable delivery systems 6 Properties used on cable delivery systems
7 ***************************************** 7 *****************************************
8 8
9 9
10 .. _dvbc-params: 10 .. _dvbc-params:
11 11
12 DVB-C delivery system 12 DVB-C delivery system
13 ===================== 13 =====================
14 14
15 The DVB-C Annex-A is the widely used cable sta 15 The DVB-C Annex-A is the widely used cable standard. Transmission uses
16 QAM modulation. 16 QAM modulation.
17 17
18 The DVB-C Annex-C is optimized for 6MHz, and i 18 The DVB-C Annex-C is optimized for 6MHz, and is used in Japan. It
19 supports a subset of the Annex A modulation ty 19 supports a subset of the Annex A modulation types, and a roll-off of
20 0.13, instead of 0.15 20 0.13, instead of 0.15
21 21
22 The following parameters are valid for DVB-C A 22 The following parameters are valid for DVB-C Annex A/C:
23 23
24 - :ref:`DTV_API_VERSION <DTV-API-VERSION>` 24 - :ref:`DTV_API_VERSION <DTV-API-VERSION>`
25 25
26 - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYS 26 - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYSTEM>`
27 27
28 - :ref:`DTV_TUNE <DTV-TUNE>` 28 - :ref:`DTV_TUNE <DTV-TUNE>`
29 29
30 - :ref:`DTV_CLEAR <DTV-CLEAR>` 30 - :ref:`DTV_CLEAR <DTV-CLEAR>`
31 31
32 - :ref:`DTV_FREQUENCY <DTV-FREQUENCY>` 32 - :ref:`DTV_FREQUENCY <DTV-FREQUENCY>`
33 33
34 - :ref:`DTV_MODULATION <DTV-MODULATION>` 34 - :ref:`DTV_MODULATION <DTV-MODULATION>`
35 35
36 - :ref:`DTV_INVERSION <DTV-INVERSION>` 36 - :ref:`DTV_INVERSION <DTV-INVERSION>`
37 37
38 - :ref:`DTV_SYMBOL_RATE <DTV-SYMBOL-RATE>` 38 - :ref:`DTV_SYMBOL_RATE <DTV-SYMBOL-RATE>`
39 39
40 - :ref:`DTV_INNER_FEC <DTV-INNER-FEC>` 40 - :ref:`DTV_INNER_FEC <DTV-INNER-FEC>`
41 41
42 - :ref:`DTV_LNA <DTV-LNA>` 42 - :ref:`DTV_LNA <DTV-LNA>`
43 43
44 In addition, the :ref:`DTV QoS statistics <fro 44 In addition, the :ref:`DTV QoS statistics <frontend-stat-properties>`
45 are also valid. 45 are also valid.
46 46
47 47
48 .. _dvbc-annex-b-params: 48 .. _dvbc-annex-b-params:
49 49
50 DVB-C Annex B delivery system 50 DVB-C Annex B delivery system
51 ============================= 51 =============================
52 52
53 The DVB-C Annex-B is only used on a few Countr 53 The DVB-C Annex-B is only used on a few Countries like the United
54 States. 54 States.
55 55
56 The following parameters are valid for DVB-C A 56 The following parameters are valid for DVB-C Annex B:
57 57
58 - :ref:`DTV_API_VERSION <DTV-API-VERSION>` 58 - :ref:`DTV_API_VERSION <DTV-API-VERSION>`
59 59
60 - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYS 60 - :ref:`DTV_DELIVERY_SYSTEM <DTV-DELIVERY-SYSTEM>`
61 61
62 - :ref:`DTV_TUNE <DTV-TUNE>` 62 - :ref:`DTV_TUNE <DTV-TUNE>`
63 63
64 - :ref:`DTV_CLEAR <DTV-CLEAR>` 64 - :ref:`DTV_CLEAR <DTV-CLEAR>`
65 65
66 - :ref:`DTV_FREQUENCY <DTV-FREQUENCY>` 66 - :ref:`DTV_FREQUENCY <DTV-FREQUENCY>`
67 67
68 - :ref:`DTV_MODULATION <DTV-MODULATION>` 68 - :ref:`DTV_MODULATION <DTV-MODULATION>`
69 69
70 - :ref:`DTV_INVERSION <DTV-INVERSION>` 70 - :ref:`DTV_INVERSION <DTV-INVERSION>`
71 71
72 - :ref:`DTV_LNA <DTV-LNA>` 72 - :ref:`DTV_LNA <DTV-LNA>`
73 73
74 In addition, the :ref:`DTV QoS statistics <fro 74 In addition, the :ref:`DTV QoS statistics <frontend-stat-properties>`
75 are also valid. 75 are also valid.
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