Allied Telesis AT-9000 Series - Manual (Page 46)

Chapter 3: Basic Switch Parameters
46
Figure 15. User Management Page with Change Password Tab
4. Use the pull-down menu next to the User Name field to select the
username.
The username must already exist.
5. Enter a new password in the New Password field.
You can enter the password in plaintext. A plaintext password can
consist of up to 16 alphanumeric characters and is case-sensitive.
Spaces and special characters are not allowed.
6. Re-enter the new password in the Confirm New Password field.
7. Click Set Password.
8. Click SAVE.