In the case of an ASON NE, the ASON feature of the optical interface board of the STM-1 or STM-4 level is disabled by default. The boards of the two levels cannot be used to create an ASON service. To create an ASON service by using the boards of the two levels, you need to enable the ASON features of the boards. The ASON feature of the optical interface board of the STM-16 or STM-64 level, however, is enabled by default. You can also disable the ASON features of the boards of the two levels as required.
If you need to disable the ASON feature of a board, choose Disable.
If the Operation Result dialog box is displayed indicating that the operation fails. You can click Detail to view failure causes.