| 摘要 |
<p>Disclosed are a method and a device for switching clocks and a distributed indoor system using a repeater as relay, comprising: in the distributed indoor system using a repeater as relay, receiving a data code stream sent by a multi-service access unit MAU; according to the data code stream received, determining whether the reference clock provided by the MAU is in a normal state; and when it is determined that the reference clock provided by the MAU is not in the normal state, indicating the multi-service expansion unit MEU to perform a time synchronisation between the MEU and a multi-service remote unit MRU by using the reference clock provided by the MAU, and switching to time synchronisation between the MEU and the MRU by using the reference clock provided by the MEU itself. The technical solutions provided herein can better maintain the time synchronisation among the devices of a distributed indoor system, and improve the reliability of the whole system.</p> |
