特性: - 250 MHz IBM PowerPC 处理器 (350 Mips) - Linux 操作系统 - 1 个读卡器 - MPEG2 硬解压 - DVB-S
- V.24/RS232 接口 - 100Mbit 双向以太网接口 - 2 LED 指示 - 无限多的电视/广播频道列表 - 频道转换时间小于1秒 - 全自动服务扫描 - EPG (电子节目指南) - 支持DiSEqC - 多语言 - 数字码流输出的SPDI/F接口(AC-3 / DTS) - 1个Scart欧插 (软件控制) 技术参数: 中频输入:950-2150 MHz 信号电平 - 65 dBm …. - 25 dBm 信噪比 12 dB 最大. F母头插座 输入阻抗 75欧姆 AFC +/- 3 MHz QPSK 输入符码率范围 2 …. 45 M, SCPC / MCPC 纠错1/2, 2/3, 3/4, 5/6, 7/8, 自动 视频解码器: MPEG-2 和 MPEG-1 兼容 PAL G/ 25 Hz制式 视频比例 4:3 / 16:9(自动) 音频解码器: MPEG-1 & MPEG-2 层 I / II 立体声 频率: 32 kHz, 44.1 kHz, 48 kHz, 16 kHz, 22.05 kHz, 24 kH 模拟输出: 输出电平 L/R 0,5 Vss 600 欧姆 THD > 60 dB (1 kHz) 隔离度 < -65 dB 数字输出: 输出电平 0,5 Vss 75欧姆 取样数字滤波器 32 kHz, 44.1 kHz, 48 kHz S/PDIF-光纤输出 (AC3) 视频参数: 输入 FBAS 1 Vss +/- 0.3 dB on 75 Ohm Teletext 滤波: ETS 300 472 标准 Scart欧插: 输出: FBAS,RGB,S-VHS RS 232接口: 比特率 115,2 kBit/s 最大. 插头 SUB-D-9 固件升级 以太网口: 网口固件升级 LNB 电源和极性: LNB 电流 500mA 最大. 短路保护 LNB 垂直极化电压 < 14V 无负载, > 11.5V(400mA) LNB 水平极化电压 < 20V 无负载, > 17,3V(400mA) LNB 待命状态电源关闭 接收控制: DiSEqC 1.0/1.2 SAT 位置/ SAT 选择 DiSEqC - 马达控制 电源消耗:< 10W / 12V 输入电压: DC12V,交流 +/- 15% 外接电源: 输入:110-240V AC / 50-60Hz / 0,6A 输出:12V = / 1A 物理规格: 温度 +15°C...+35°C 湿度 < 80% 尺寸 (W x D x H): 195 mm x 130 mm x 40 mm 重量: 0,6 kg
Product Type:(DM 500-S) --------------------------------------------------------------------------------
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°C...+35°C Humidity < 80%
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