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Products & Solution > Project Products > Ktech-Switch  

ÃÖ±Ù±îÁö Digital Video Broadcasting (DVB)´Â audio-video¿¡ ´ëÇÑ ¾çÁúÀÇ °íÇ°Áú°ú ¼­ºñ½º¸¦ Á¦°øÇÏ°í ÀÖ½À´Ï´Ù. ¸»´Ü ¼­ºñ½º¸¦ À§Çؼ­´Â ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ, ÄÁÅÙÃ÷ »ç¾÷ÀÚ, ³×Æ®¿öÅ© »ç¾÷ÀÚ¿Í °°Àº ´Ù¾çÇÑ »ç¾÷ÀÚ°¡ Æ÷ÇԵǾî¾ß ÇÏ¸ç ¾Æ·¡¿Í °°Àº ÀüÆÄÀÇ È帧ÀÌ ¿ä±¸µË´Ï´Ù.




·£¹öµåÅ×Å©³î·¯Áö´Â DVB-over-IP ¿¡¼­ DVB-SPI·ÎÀÇ ÀüȯÀ» Á¦°øÇϱâ À§ÇØ Çϵå¿þ¾î¿Í ¼ÒÇÁÆ®¿þ¾î¸¦ Æ÷ÇÔÇÏ¿© converter board¸¦ °³¹ßÇÏ¿´½À´Ï´Ù.


Switch(or HUB) Blade

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K-Tech ÅÚ·¹ÄÞÀº Cable TV »ç¾÷ÀÇ ÀåºñÀÇ ¼±µÎ ¾÷üÀÔ´Ï´Ù. IP¿¡ ´ëÇÑ DVB¸¦ ¼ö¿ëÇϱâ À§ÇØ Çö ½Ã½ºÅÛÀÇ ¾÷±×·¹À̵带 Áö¿øÇϱâ À§ÇØ NP¸¦ ±âº»À¸·Î ÇÏ¿© RIU (Receiving Interworking Unit _ Cable Distribution unit)¶ó°í ºÒ¸®¿ì´Â »õ·Î¿î ½Ã½ºÅÛÀ» °³¹ßÇÏ¿´½À´Ï´Ù.

·£¹öµåÅ×Å©³î·¯Áö´Â ¼Ö·ç¼ÇÀº ½ÃÀå¼±Á¡°ú ¿ø°¡Àý°¨ µî È¿À²¼ºÀ» À§ÇØ Gigabit Ethernet¿¡ ´ëÇÑ DVBÀÇ Ã³¸®¿Í µ¿½Ã¿¡ DVB-SPI·ÎÀÇ ÀüȯÀ» Áö¿øÇÏ´Â ¼Ö·ç¼ÇÀ» K-Tech ½Ã½ºÅÛ¿¡ Àû¿ëÇÏ¿´½À´Ï´Ù.

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fiber-optic mediumÀ» ÅëÇÑ IP network·ÎºÎÅÍÀÇ Gigabit stream ¼ö¿ë
UDP µµÂøÁö ÁÖ¼Ò¿Í IP ÁÖ¼Ò ÇÊÅÍ ±â´É
MPEG-2 data (188 bytes)¸¸À» ºÐº°ÇÏ°í MAC, IP, UDP headers ºÐ¸®±â´É
MPEG-2 payload dataÀÇ K-Tech ½Ã½ºÅÛÀ¸·ÎÀÇ º¸°í ±â´É
SPI Æ÷¸ËÀ¸·ÎÀÇ Àüȯ±â´É
°ÅÀýµÈ ³×Æ®¿öÅ© ÇÁ·¹ÀÓÀÇ IP³×Æ®¿öÅ©·ÎÀÇ Æ÷¿öµù ±â´É
ÇÁ·¹ÀÓÀº Á¢¼ÓµÈ decoders¿¡ ÀÇÇØ Ã³¸®
Decoder°¡ Áö¼ÓµÈ´Ù¸é °ÅºÎµÈ ÇÁ·¹ÀÓÀº Á¦°Å
DVB Hardware System

º» ½Ã½ºÅÛÀº Digital TV ¹× Digital Cable TV Àü¹®¹æ¼Û¾÷üÀÎ KTech Telecom »çÀÇ DVM-2000 ¸ðµ¨¿¡ ½ÇÀå µÇ´Â Gigabit Ethernet Input Ä«µåÀÔ´Ï´Ù.

DVM-2000 ¸ðµ¨ÀÇ ±â´ÉÀº GbEÀ¸·Î µé¾î¿À´Â ±¤ ½ÅÈ£ ¼Ò½º¸¦ 40°³ÀÇ µ¶¸³ÀûÀÎ NTSC(National Television System Committee) ä³Î·Î µðÄÚµùÇÏ´Â ±â´ÉÀ» ¼öÇàÇÕ´Ï´Ù.

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