公开(公告)号：JPH08139724A

公开(公告)日：1996-05-31

申请号：JP26589194

申请日：1994-10-28

Applicant: KOREA ELECTRONICS TELECOMM ,  KOREA TELECOMMUNICATION

Inventor： KIMU JIYON ON

IPC: H04Q3/00 ,  H04L12/28 ,  H04L12/42

Abstract: PURPOSE: To provide a transmission/reception device connecting the same function modules following the user-network interface standard of a wide band integrated information communication network which CCITT being an international standard mechanism recommends with two ring-like transmission mediums. CONSTITUTION: A transmission device 1-1 and a reception device 1-2 are provided and they are connected to the two physical ring-like transmission mediums. The transmission directions of the two transmission mediums are respectively opposite. The transmission device 1-1 inputs the eight bits unit self-cell of various characteristics which are made into multiple images and the 32 bits unit detour cells at the other destinations, which are received from the two rings. Transmission data is transmitted to one selected ring in the two rings by using FIFO memories which mutually differ. Data processing time when the inputted self-cell and the detour cell are independently processed and standby time in the FIFO memory are reduced to a minimum, the transmission of the detour cell is especially preferentially processed from the self-cell and cell transmission delay on the ring is maintained to a minimum.