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![]() | Technical Specifications |
ÇÏÇâ (DownStream) | »óÇâ (UpStream) | ||
Á֯ļö ´ë¿ªÆø | 88~860§Ö | 5~42§Ö | |
º¯Á¶(Modulation) | 64QAM/256QAM | QPSK/16QAM | |
Àü¼Û¼Óµµ (Data Rate) | ÃÖ´ë 30Mbps/64QAM ÃÖ´ë 40Mbps/256QAM | ÃÖ´ë 5.12Mbps/QPSK ÃÖ´ë 10.24Mbps/16QAM | |
ä³Î´ë¿ªÆø | 6§Ö | 200K,400K,800K,1.6K,3.2§Ö | |
FEC (Forward Error Correction) | RS(122,128)/Trellis | Reed solomon | |
FEC(International) | RS(204,188)/Trellis | Reed solomon | |
Symbol Rate | 5.056941Mbps/64QAM 5.36053Mbps/256QAM | 160,320,640,1280 2560K sym/sec | |
Bit Per System | 64QAM:6Bit 256QAM:8Bit | 160,320,640,1280 2560K sym/sec | |
Level Range One Channel | -15 ~ +15dBmV | +8 ~ +55dBmV/16QAM +8 ~ +58dBmV/QPSK | |
º¸¾È(Security) | DES Decryption | DES Encryption | |
Carrier to Noise Ratio | 64QAM:>23.5dB@Ber30dB@Ber 2001-01-15 00:02:25
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