The official document is as follows:

Please refer to the attachment.

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Subject: Forwarding the notice from the Kaohsiung-Pingtung-Penghu Area Network Center of National Sun Yat-sen University. In coordination with Chunghwa Telecom's card version upgrade, related connection services will be temporarily suspended from 00:00 to 02:00 on September 25, 2025. We apologize for any inconvenience caused. Please be informed.
Details:
1. Announcing Unit: Kaohsiung-Pingtung-Penghu Area Network Center.
2. Reason for Announcement: Chunghwa Telecom is scheduled to perform a telecom card version upgrade from 00:00 to 02:00 on September 25, 2025, which will result in approximately two hours of service interruption, affecting all connected units.
3. Affected Time: September 25, 2025 (Wednesday), 00:00 - 02:00.
4. Affected Scope: Kaohsiung-Pingtung-Penghu Area Network related connection services.
5. Contact Person: Mr. She, Information Security Group, Library and Information Center, Extension: 2517, aaron@mail.nsysu.edu.tw. For related information, please refer to the official announcement on the website of the Kaohsiung-Pingtung-Penghu Area Network Center.