AT&T MERLIN LEGEND Release 2.0 Equipment And Operations Manual page 23

Customer Support Information
If you have a special telephone line connected to your PBX or Key
system for Remote Administration and Maintenance, you should do one
of the following:
— Unplug the line when it is not being used.
— Install a switch in the line to turn it off when it is not being used.
— Keep the Remote Administration and Maintenance telephone
If your Remote Administration and Maintenance feature requires that
someone in your office transfer the caller to the Remote Administration
and Maintenance extension, you should impress upon your employees
the importance of only transferring authorized individuals to that
extension.
number secret. Only give it to people who need to know it, and
impress upon them the need to keep it a secret. Do not write the
telephone number on the PBX or Key system, the connecting
equipment, or anywhere else in the system room.
Customer Support Information
xxi