Motorola P-7131N-FGR Product Reference Manual page 537

AP7131N>admin(system.userdb.user)>set
Description:
Sets a password for a user.
Syntax:
set <user> <pw>
Example:
admin(system.userdb.user>set george password
admin(system.userdb.user>
For information on configuring User Database permissions using the applet (GUI), see
6-67.
Sets user <id> and password <pw> string (8-19 characters) for a specific user.
Defining User Access Permissions by Group on page
8-205
CLI Reference