DM7020

What is DM7020?

Powerful receiver for digital TV and Radio programs.

Main features are a 250 MHz PowerPC (350 Mips), Linux OS and the Dreambox DM7020 supports standard Linux API
 

• 10/100MBit compatible Ethernet Interface
• DSL communication port
• embedded analog modem

technical features

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 to 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 ∓ 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 function
  
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 1.0/1.1/1.2 and USALS (Rotor Control)

Power consumption:
< 20W (in operation, horizontal polarization / 400mA LNB current)
< 15W (in operation, no LNB)
< 10W (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