Important Safety Instructions; Technical Specifications - Televes T.0x Serie Guía Rápida

DVBS2 - COFDM / COFDM CI

Important safety instructions

General installation conditions
• Before handling or connecting the equipment, please read this
manual.
• In order to reduce the risk of fire or electric shock, do not expose the
equipment to rain or moisture.
• Do not take the cover off the equipment without disconnecting it
from the mains.
• Do not obstruct the equipment's ventilation system.
• Please allow air circulation around the equipment.
• The equipment must not come into contact with water or even be
splashed by liquids. Do not place containers with water on or near the
equipment if it is not adequately protected.
• Do not place the equipment near sources of heat or in excessively
moisture conditions.
• Do not place the equipment where it may be affected by strong
vibrations or knocks.
• This symbol indicates that the equipment complies with
the requirements of CE mark.

Technical specifications

Input frequency
Symbol rate
Satellite
Frequency steps
Demodulator
Input/Output connectors
Input impedance
LNB power supply
Modulation format
Guard interva
COFDM
Modulator
FEC
Bandwidth
Output frequency
Frequency steps
RF output
Maximum output level
Attenuation
Consumption @ 24V
(with signal)*
General
Protection index
* The unit's consumption with CAM will depend on the type of CAM being used (only ref. 563301).
For the LNB it is considered a standard consumption of 300 mA.
The technical characteristics described are defined for a maximum ambient temperature of 45°C (113ºF). Forced ventilation is used for higher temperatures.
Inputs/Outputs/Connections description
The unit (Fig. 1) is provided with:
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Introduction
950 - 2150 MHz
10 - 30 Mbaud DVB-S2 (QPSK - 8PSK)
2 - 42,5 Mbaud DVB-S (QPSK)
1 MHz
"F" female
75 ohm.
13/17V/ OFF 22KHz (ON/OFF)
QPSK, 16QAM, 64QAM
1/4, 1/8, 1/16, 1/32
1/2, 2/3, 3/4, 5/6, 7/8
7 MHz, 8 MHz
177 - 266 / 474 - 858 MHz (CH mode)
45- 862 MHz (frequency mode)
125 / 166 KHz
80 ±5 dBμV (progr.)
>15 dB (prog)
270 mA (LNB power OFF)
480 mA (LNB power ON)
IP20
IF satellite input
IF satellite output
RF input
RF output
Module power supply input
Status LED
Control BUS connector
Slot CAM (only ref. 563301)
Programmer / PC connector
The DVBS2 transmodulator with COFDM CI receives a satellite transponder
in some DVBS (QPSK) or DVBS2 (QPSK or 8PSK) modulation formats and
demodulates it by obtaining an MPEG-2 transport package.
The MPEG2 transport package is then modulated in COFDM format and
converted to the output channel (UHF or VHF and with a maximum
bandwidth of 8 MHz) using an agile up-converter.
Additionally, ref. 563301 incorporates a Common Interface slot for inserting
a conditional access module (CAM) to permit the unscrambling of services.
The programming of the transmodulator operating parameters (input
frequency, output channel, modulation format and adaptation of services
mainly) is performed through the universal programmer (ref. 7234).
Through loss
Modulation
Internal FEC
External FEC
Roll-off factor
Input VSWR
Scrambling
Interleaving
Cell_id
Output spectrum
Through loss
Return loss
Input/Output connectors
Output impedance
280 mA typ. (no CAM inserted; LNB power OFF)
330 mA typ. (CAM inserted; LNB power OFF)
500 mA typ. (no CAM inserted; LNB power ON)
540 mA typ. (CAM inserted; LNB power ON)
< 1,5 dB typ.
DVB-S2 (QPSK, 8PSK)
DVB-S (QPSK)
LDPC (9/10, 8/9, 5/6, 4/5, 3/4, 2/3, 3/5,
1/2)
BCH (Bose-Chaudhuri-Hocquenghem)
20%, 25%, 35%
10 dB min.
DVB ET300744
DVB ET300744
Selectable
Normal / Inverted (Selec.)
< 1,5 dB typ.
> 12 dB typ.
"F" female.
75 ohm.
6