Looking for logging into the Nas540 site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Nas540 site. After that you can login as usual with your login credentials.
ftp://ftp.zyxel.com/NAS326/user_guide/NAS326_V5.2%20ed1.pdf
ftp://ftp.zyxel.com/NAS540/application_note/NAS540_1.0.2.pdf
https://www.jmt.bg/productfiles/33706_4755.pdf
https://docplayer.net/1358656-Nas540-user-s-guide-quick-start-guide-cloud-storage-version-5-00-edition-1-default-login-details-web-address-nas540-user-name-admin.html
http://www.zyxelforum.de/viewtopic.php?f=262&t=9516
https://support.zyxel.eu/hc/de/articles/360006213873-First-Step-Anleitung-f%C3%BCr-Zyxel-NAS
ftp://ftp.zyxel-tech.de/2.new_mirror/NAS540/application_note/NAS540_1.0.1.pdf
http://www.snbforums.com/threads/default-admin-password-incorrect-nas-zyxel-nsa325-v2.27146/
https://www.amazon.co.uk/ZyXEL-Desktop-Network-Storage-Enclosure/dp/B00O4FMSNO
https://www.itespresso.de/2015/05/10/zyxel-nas540-ausgesprochen-guenstiges-4-bay-nas-im-test/
https://www.bhphotovideo.com/c/product/1189153-REG/zyxel_nas540_4_bay_personal_cloud.html
https://www.gebruikershandleiding.com/ZyXEL-NAS540/preview-handleiding-715353.html?page=0182
https://www.speicherguide.de/news/zyxel-4-bay-nas-nas540-kann-von-ueberall-synchronisieren-20616.aspx