อุปกรณ์รับสัญญาณดาวเทียมระบบดิจิตอล (Dreambox500s)

The DM500Si is the smallest Linux satellite TV receiver, with 1 x Smartcard-Reader.

250 MHz IBM PowerPC Processor (350 Mips)
2 LED status
Linux Operating System
Full automatic service scan
Supports directly bouquet-lists (indirect unlimited)
Supports multiple LNB-Switching control (supports DiSEqC)
1 x Smartcard-Reader
Unlimited channel lists for TV/Radio
SPDI/F nterface for digital bit stream out (AC-3 / DTS)
MPEG2 Hardware decoding
Channel-change time < 1 second
Fully adaptable OSD in many languages (skin-support)
100Mbit full duplex Ethernet Interface
Supports EPG (electronic program guide)
1 x Scart-interfaces (fully controlled by software)

Video decoder:
Video Compression MPEG-2 and MPEG-1 compatible
Video Standard PAL and NTSC
Video Formats 4: 3 / 16: 9
Footage 16: 9, automatic assimilation for 16: 9 TV-Device (over Scart)
Letterbox precolating 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

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-VHS over OSD selectable

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
Input Symbol rate 2...45 Mbaud/s, SCPC / MCPC
FEC Viterbi and Reed-Solomon
Viterbirate 1/2, 2/3, 3/4, 5/6, 7/8, automatic assimilation
Roll-off Factor 35 %
Demultiplexing according ISO 13818-1

Ethernet:
100 MBit compatible, bi-direktional interface
Function Update of Firmware and Preprogramming
LNB Power and polarisation:
LNB Current 500mA max.; Short-circuit-proof
LNB Voltage vertical < 14V without load, > 11, 5V at 400mA
LNB Voltage horizontal < 20V without 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

Serielle Interface RS 232:
Typ RS232 bidirectional
Bit rate 115, 2 kBit/s max.
Plug Connector SUB-D-9
Function Update of Firmware and Preprogramming
Power consumption: < 10W / 12V
Input voltage: DC12V, alternating acurrent +/- 15%

Extern power supply:
Input: 110-240V AC / 50-60Hz / 0, 6A
Output: 12V = / 1A

The DreamBox 500Si is the first Linux based DVB Receiver. This receiver runs on open-source software developed by hundreds of developers around the world. This is the ultimate machine. If you're looking for a VERY powerful unit, and something to have fun on, this is the unit for you.