Á¢Áö GND/LIFT±â´É Ãß°¡ L1-OUT ºÎÇ° Ãß°¡(SHORT/¿¬¼Ò ¶Ç´Â ´©¼±½Ã Á¢ÁöºÐ¸® Àåºñº¸È£) ±¸¿ªº° SPEAKER ¼±Åà SWICH Ç°Áú º¸¿Ï(ON/OFF¹Ýº¹ ¼ö¸í ¿¬Àå ºÎÇ°Ç°Áú °³¼± ±³Ã¼) Èĸé P.T.T ¸®¸ðÆ®°ü·Ã ÄܳØÅÍ °³¼±(DINÄܳØÅÍ ¢¡ RJ45ÄܳØÅÍ)