Connecting to Ordinary Phones via On-Hold Adapter Module:

Follow these 6 simple installation steps, and you'll have your OHP-7500 series connected to an analog phone system in no time.

Step 1: Plug the AC adapter into a 110V power outlet.	Step 2: Plug the other end of the power cord into the 9V DC jack on the back.	Step 3: Plug one end of the supplied 6' phone cord into the jack labeled "1/2/3" on the back of the unit.
Step 4: Plug RJ11 duplex jack into the phone plug socket coming out of the wall, and connect the other end of the 6' phone cord coming from the unit.	Step 5: Plug the other supplied 6' phone cord into the other side of the RJ11 duplex jack.	Step 6: Plug the other end of the 6' phone cord into your phone. That's all there is to it!