DM500 DM500s Dreambox 500 Dreambox 500s

DM500s是国内目前使用最为广泛的卫星电视接收机,通过灵活的内置软件和扩展Linux软件,几乎可以支持世界上所有的卫星电视格式,但DM500不能外接硬盘实时录像

DM500s是最好和最小的Linux数字机顶盒

从2007年1月开始,DM500s使用全新的包装和全息防伪标志

技术参数:

250 MHz PowerPC 处理器
- Linux操作系统
- 1个智慧卡槽
- MPEG2硬件解码
- Common available NIMs (DVB-S, DVB-C, DVB-T)
- V.24/RS232界面
- 10/100M网络接口
- 2LED灯状态显示
- 无限制的电视和广播频道数量
- 频道更换时间少于1秒
- 自动频道检查
- supports directly bouquet-lists
- 电子节目表
- 支持视频文字
- 支持DiSEqC切换
- 多语言界面操作
- S/PDIF数字AC3输出
- 1 x Scart-interfaces

技术值:

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 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
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

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

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 1.0/1.2 SAT POSITION / SAT OPTION
DiSEqC - Rotor Control

Power consumption:
< 10W / 12V

Input voltage:
DC12V +/- 15%

Extern power supply:
Input: 110-240V AC / 50-60Hz / 0,6A
Output: 12V = / 1A or 2A

Physical specification:
Ambient Temperature +15°C...+35°C
Humidity < 80%
Size (W x D x H): 195 mm x 130 mm x 40 mm
Weight: 0,6 kg