DM500-S共享一体机

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)
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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%