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>Â÷·®Åë½Å > Åë½Å±â¼ú > MOST
MOST (Media Oriented System Transport)
MOST´Â ±¤ÄÉÀ̺í(POF. Plastic Optical Fiber)À» ÀÌ¿ëÇÏ¿© ¿Àµð¿À, ºñµð¿À ¹× Á¦¾î Á¤º¸¸¦ Àü¼ÛÇÏ´Â ½Ã¸®¾ó Åë½Å ½Ã½ºÅÛÀÌ´Ù.
µ¿±âÈµÈ µ¥ÀÌÅÍ Åë½Å¿¡ ±â¹ÝÇϰí ÀÖ´Â MOST´Â ´Ù¾çÇÑ ±â´É°ú Çâ»óµÈ ¼º´ÉÀÇ ¸ÖƼ¹Ìµð¾î ½Ã½ºÅÛÀ» À§ÇÑ Åë½Å ¸Åü·Î Àû¿ëµÇ°í ÀÖ´Ù.
MOST Field
.
Audio/Video/DVD/DAB/DMB
.
Mobile Phone
.
Navigation System
.
Internet
MOSTÀÇ Æ¯Â¡
.
Network Topology MOST
³×Æ®¿öÅ©´Â ÀϹÝÀûÀ¸·Î Ring Topology ÇüŸ¦ °®Ã߸ç, ÃÖ´ë64°³(1 Timing Master + 63 Slaves)ÀÇ MOSTÀåÄ¡·Î ±¸¼ºµÉ ¼ö ÀÖ´Ù. °æ¿ì¿¡ µû¶ó¼´Â Star Topologyµµ °¡´ÉÇϸç, ¾ÈÀü»ó Áß¿äÇÑ ¾îÇø®ÄÉÀÌ¼Ç ±¸ÇöÀ» À§ÇÏ¿© Double Ring Topology ±¸¼ºµµ »ç¿ë °¡´ÉÇÏ´Ù. ¶ÇÇÑ Ç÷¯±× ¾Ø Ç÷¹À̰¡ °¡´ÉÇÏ¿© MOST ³×Æ®¿öÅ© »ó¿¡ ÀåÄ¡ÀÇ Ãß°¡ ¹× Á¦°Å°¡ ¿ëÀÌÇÏ´Ù.
MOST´Â ½ºÆ®¸®¹Ö µ¥ÀÌÅÍ(Synchronous Data Transmission) Àü¼Û°ú ÆÐŶ µ¥ÀÌÅÍ(Asynchronous Data Trans mission) Àü¼ÛÀ» À§ÇÑ ´ë¿ªÆøÀ¸·Î ÃÖ´ë ¾à 23Mbaud°¡ »ç¿ëµÇ¸ç, »ç¿ëÀÚ ¼³Á¤ÀÌ °¡´ÉÇÑ 60°³ÀÇ Ã¤³Î·Î ±¸¼ºµÈ´Ù.
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Åë½Å¼Óµµ : ÃÖ´ë 25MbpsÀÇ µ¥ÀÌÅÍ Àü¼Û¼Óµµ~ ÇâÈÄ 150Mbps Áö¿ø¿¹Á¤
MOST Specification
MOST ¸í¼¼¼´Â ¹°¸® °èÃþ(Physical Layer)»Ó¸¸ ¾Æ´Ï¶ó, µ¥ÀÌÅÍ °èÃþ(Data Link Layer)¿¡ ´ëÇÏ¿© Á¤ÀÇÇϰí ÀÖ´Ù.
ÀÌ´Â µ¥ÀÌÅÍ Åë½ÅÀ» À§ÇÑ ISO/OSI Âü°í ¸ðµ¨ÀÇ 7 °èÃþ ¸ðµÎ¸¦ Æ÷ÇÔÇÑ´Ù. ¸ÖƼ¹Ìµð¾î ÀåÄ¡ÀÇ MOST ÇÁ·ÎÅäÄÝ ±¸ÇöÀº Á¤ÇüÈµÈ ÀÎÅÍÆäÀ̽º¿¡ ÀÇÇÏ¿© ´Ü¼øÈ µÇ¸ç, ±Ùº»ÀûÀ¸·Î ¾îÇø®ÄÉÀÌ¼Ç °³¹ßÀÚ¸¦ À§ÇÑ ÇϳªÀÇ ÇÁ·ÎÅäÄÝ Á¤ÀǷμ MOST´Â Á¦°øµÈ´Ù.
»ç¿ëÀÚ´Â ÇϳªÀÇ Á¤ÇüÈµÈ °´Ã¼ ÁöÇâ(Object-Oriented) ÀÎÅÍÆäÀ̽º·Î¼ MOST¸¦ Ȱ¿ëÇÏ°Ô µÈ´Ù.