Oki CX4545 MFP Fax Manual page 13

2 SENDING A FAX
2.SENDING A FAX
In this case, specify the desired LDAP server in the [Server Name] box and click [OK] to send the fax.
You can make settings for LDAP authentication on the [Device Settings] tab.
 P.29 "Setting up the [Device Settings] tab"
Basic Procedure 11