DVB 500C Set Top Box

Powerful receiver for digital TV and Radio programs. main features are a
250 MHz IBM PowerPC (350 Mips).

Linux OP, the DM500 supports the Standard Linux API
(DirectFB, Linux-FB, LIRC, ... )

Features:

1)250 MHz IBM PowerPC Processor (350 Mips)
2)Linux Operating System
3)1 x Smartcard-Reader
4)MPEG2 Hardware decoding
5)100Mbit full duplex Ethernet Interface
6)2 LED status
7)unlimited channel lists for TV/Radio
8)channel-change time < 1 second
9)full automatic service scan
10)supports directly bouquet-lists (indirect unlimited)
11)supports EPG (electronic program guide)
12)supports multiple LNB-Switching control (supports DiSEqC)
13)fully adaptable OSD in many languages (skin-support)
14)SPDI/F Interface for digital bit stream out (AC-3 / DTS)
15)1 x Scart-interfaces (fully controlled by software)

Technical Specification:

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

Video decoder:
Video Compression MPEG-2 and MPEG-1 compatible
Video Standard PAL G/ 25 Hz
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




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-VHS over OSD selectable

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

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

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

500C