dearmbox DM 500T

The DM 500T is the smallest digital Linux SetTopBox based receiver with card sharing function.

- 250 MHz IBM PowerPC Processor (350 Mips)
Linux Operating System
1 x Smartcard-Reader
MPEG2 Hardware decoding
Common available NIMs (DVB-S, DVB-C)
V.24/RS232 Interface
2 LED status
Unlimited channel lists for TV/Radio
Channel-change time < 1 second
Full automatic service scan
Supports directly bouquet-lists (indirect unlimited)
Supports EPG (electronic program guide)
Supports multiple LNB-Switching control (supports DiSEqC)
Fully adaptable OSD in many languages (skin-support)
SPDI/F Interface for digital bit stream out (AC-3 / DTS)
1 x Scart-interfaces (fully controlled by software)

DBS-Tuner
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 o-n 600 Ohm
THD > 60 dB (1 kHz)
Crosstalk < -65 dB

Output digital
Output Level 0,5 Vss o-n 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 o-n 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
Bitrate 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

Physical specification
Ambient Temperature +15°C...+35°C
Humidity < 80%