Carton Inventory
Overview
Assembly
1
Indoor Telephone Interface (OTIU)
Telephone Cord
Model OTIU
Indoor Telephone Interface
Choose location near a phone jack and an electrical
outlet. Do not place OTIU near a computer or any
other “radio noise source”. Keep antenna clear of
obstruction.
Plug in antenna.
Plug in the AC Adapter. The Power LED will light.
Plug the included phone cord in the LINE port and
connect it to the phone jack in the wall.
Plug the cord from the phone in the PHONE port.
AC Adapter
Antenna
The Indoor Telephone Interface uses a 900 Mhz
secure digital radio link that allows secure
conversations and gate operator control.
The Telephone Interface Unit (OTIU) is compatible
with various Liftmaster Wireless Products.
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