เครื่องรุ่น Dreambox (DM7020si

Powerful receiver for digital TV and Radio programs.
Dreambox DM7020si Set Top Box
DVB-S Digital Satellite Receiver
- 250 MHz PowerPC Processor(350 Mips)
- Linux open source (most parts under the terms of GPL)
- Supports Linux Standard API (Direct-FB, Linux-FB, LIRC)
- 1 x DVB Common-Interface Slot
- 2 x Smartcard-Reader
- Integrated Compact Flash Interface Slot
- MPEG2 Hardware decoding (fully DVB compliant)
- Common NIM DVB-S
- 10/100 MBit compatible Ethernet Interface
- Modem

- USB Port
- 12V switch cinch
- V.24/RS232 Interface
- Big-size LC-Display
- 32 MByte Flash
- 96 MByte RAM
- Integrated IDE UDMA66 Interface
- Support for internal HDD in any capacity
- Unlimited channel lists for TV/Radio
- Channel-change time < 1 second
- Full automatic service scan

- Supports directly bouquet-lists
- Supports EPG (electronic program guide)
- Supports own videotext
- Supports multiple LNB-Switching control (supports DiSEqC)
- Fully adaptable OSD in many languages and skin-support
- S/PDIF Interface for digital bit stream out (AC-3)
- 2 x Scart-interfaces
- RF modulator
- Audio/Video cinch out
- MINI-DIN connector for extern IR (send)

DreamBox DM7020 technical data
DBS-Tuner:
Frequency Range 950.2150 MHz
Signal Level - 65 dBm.- 25 dBm
Signal-to-Noise Level 12 dB max.
DBS-Tuner Input Connector F-Type female
Input Impedance 75 Ohm
AFC +/- 3 MHz
Demodulation Shaped QPSK
FEC Viterbi and Reed-Solomon
Viterbirate 1/2, 2/3, 3/4, 5/6, 7/8
Roll-off Factor 35 %
Demultiplexing according ISO 13818-1

Common-Interface:
Common-Interface Power Consumption max.0, 3A/5V

Video decoder:
Video Compression MPEG-2 and MPEG-1 compatible
Video Standard PAL G/ 25 Hz
Video Formats 4:3 / 16:9
Letterbox for 4:3 TV-Device

Audio decoder:
Audiokompression MPEG-1 &MP;MPEG-2 Layer I and II
Audio Mode Dual (main/sub), Stereo
Frequency:32 KHz, 44.1 KHz, 48 KHz, 16 KHz, 22.05 KHz, 24 KHz

Output analog:
Output Level L/R 0, 5 Vss on 600 Ohm
THD > 60 dB (1 KHz)
Crosstalk < -65 dB

Output digital:
Output Level 0, 5 Vss on 75 Ohm
Sampled Data Filtering 32 KHz, 44.1 KHz, 48 KHz
S/PDIF-Output optical (AC3)

Video parameter:
Input Level FBAS 1 Vss +/- 0.3 dB on 75 Ohm
Teletext filter in conformity with ETS 300 472 Standard>

TV-Scart:
Output:FBAS, RGB, S-Video over OSD selectable

VCR-Scart:FBAS
Serielle Interface RS 232:
Typ RS232 bidirectional
Bitrate 115, 2 kBit/s max.
Plug Connector SUB-D-9
Function:Update of Firmware

Ethernet:
10/100 MBit compatible interface
Function Update of Firmware
USB:USB 1.2 connector

Mini DIN:
I2C for steering of external devices
IR funktion

Pins:
1 5V
2 SDA (I2C-Kanal 2)
3 SCL
4 3, 3V
7 GND
8 IR-Output
9 GND

UDMA66 IDE Interface:
Intern for connect HDD
Compact Flash - Reader

LNB power and polarisation:
LNB Current 500mA max.;Short-circuit-protected
LNB Voltage vertical < 14V no load, > 11, 5V at 400mA
LNB Voltage horizontal < 20V no load, > 17, 3V at 400mA
LNB shut-off at Standby-Mode

Count of active satellite position:
DiSEqC 1.0/1.2 SAT POSITION / SAT OPTION
DiSEqC - Rotor Control

Power consumption:
< 20W (in operation, horizontal polarization / 400mA LNB current)
< 11W (in operation, no LNB)
< 4W (Deep-Standby-Mode)

Input voltage:
230V / 50 Hz alternating current +/- 15%

Physical specification:
Ambient Temperature +15°C...+35°C
Humidity < 80%
Size (W x D x H):374 mm x 230 mm x 75 mm
Weight:1, 8 kg without HDD