جهاز dreambox 500s

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Description:
The Dreambox DM 500-Si 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. It has many differnet skins that can be applied to make the user experience completely customizable. If you're looking for a VERY powerful Dreambox DM 500-Si, and something to have fun on, this is Dreambox DM 500-Si for you.

This unit has a great EPG and supports Personal Video Recording. You can attach this unit to your Windows based network at home and record your favourite tv programs right onto your hard drive.

DreamBox DM 500-Si :
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

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)

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

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

Others:
Ambient Temperature +15°C...+35°C
Humidity < 80%