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U s e r M a n u a l D r e a m b o x D M 7 0 2 5 / D M 7 0 2 5 +
17. Données techniques
¾ Processeur 300 MHz MIPS
¾ Linux open source (la plupart des parties sous GPL)
¾ Interface commun du Slot DVB
¾ 2 x lecteurs de Smartcard
¾ Lecteur intégré compact flash (Slot à l’avant de l’appareil)
¾ Interface Ethernet10/100 Mbit
¾ Port USB 1.1
¾ Port Série V.24/RS232
¾ Graphical LC-Display or OLED-Display at the DM 7025+
¾ 128 MByte DDR RAM, 32 MByte Flash
¾ Connecteur intégré IDE UDMA66
¾ Support HDD pour toutes les tailles courantes de disques
¾ Support Plug&Play TWIN Tuner, Mode image dans l’image (PiP)
¾ Support pourcommutation multi LNB (DiSEqC)
¾ OSD adaptable en plusieurs langues
¾ S/P-DIF port optique AC-3
¾ 2 x Connecteur Scart, modulateur RF, Vidéo Cinch out
¾ Mise à jour du modem analogue
Informations supplémentaires:
Tuner DVB/S (pluggable):
Fréquence de chaînes 950 - 2150 MHz
Niveau de Signal - 65 dBm - 25 dBm
Niveau du signal sonore : 12 dB max.
DBS-Tuner Connecteur d’entrée F-Type femelle
Impédance d’entrée 75 Ohm
AFC +/- 3 MHz
Démodulation Shaped QPSK
Taux de symbole 2 - 45 Mbaud/s, SCPC / MCPC
Inner FEC: Taux:1/2, 2/3, 3/4, 5/6, 7/8 (DVB spécification)
Démultiplexage selon ISO 13818-1
Tuner DVB/C (pluggable):
Entrée/boucle par le connecteur IEC 169-24, Femelle
Fréquence de chaînes : 50 - 870 MHz
Niveau de Signal d’entrée :-20 - 25dBm
Démodulation QAM
Constellation 16, 32, 64, 128 et 256 QAM
Taux de symbole d’entrée 7.252 Msps max.
Tuner DVB/T (pluggable):
Entrée/boucle par le connecteur IEC 169-24, Femelle /Male
Fréquence de chaînes: VHF(174 ~ 230MHz), UHF(470 ~ 862MHz)
Niveau de Signal d’entrée: -78 - 20dBm
Alimentation antenne: 5V, max. 100mA
Démodulation: OFDM
Carrier Mode: 2k et 8k hiérarchique / non-hiérarchique
Constellation: QPSK, 16 et 64 QAM
Intervalle de garde: 1/4, 1/8, 1/16 et 1/32
105


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