±Ù°Å¸®Åë½Å¸Á(Ethenet,LAN,ATM-LAN,Giga Bit LAN).ºÎ°¡Åë½Å¸Á(LAN).
±¤´ë¿ªÅë½Å¸Á(WAN).Àü»ê½Ã½ºÅÛ¼³ºñ.¸ÖƼ¹Ìµð¾î¼³ºñ.ÃÊ°î¼ÓÁ¤º¸¸Á¼³ºñ. ÀüÀÚÆĹæÁö¼³ºñ.ÀÎÅͳݼ³ºñ(ÀÎÆ®¶ó³Ý,¿¢½ºÆ®¸®³Ý,¹æȺ®µî)