Patent ID: 8315155
Filing Date: 2012-11-20
Classification: H04B,H04L

Abstract:
1. A method for implementing Automatic Protection Switching (APS) between an active board and a standby board, the method comprising: detecting Synchronous Digital Hierarchy (SDH) data of main services received by a working port of the active board from a working line; selecting SDH data of main services received by a protection port of the standby board from a protection line, if the SDH data received by the working port is detected as abnormal data; and performing service processing for the SDH data of main services received by the protection port of the standby board from the protection line; wherein selecting the SDH data of the main services comprises selecting the SDH data of the main services received by the protection port of the standby board from the protection line if the standby board is configured to forward the SDH data of the main services received by the protection port from the protection line to the active board.