Program accessories – Chamberlain OTIU User Manual
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Program Accessories
With Existing Network
Step 1: On the phone connected to the OTIU, press 
“**07” after hearing the dial tone. Listen for double beep. 
Hang up and Learn LED will flash for 15 seconds. If an 
error tone is heard it means that memory will have to be 
cleared (see Troubleshooting).
Step 2: Within 15 seconds enter Master PIN Number on 
GAPLM.
Step 3: Press “05” and GAPLM will beep. The OTIU will 
ring the telephone and Caller ID will display “Unit 
Learned”.
Step 1: Set Dipswitch #1 on the DAILM to the 
UP position to set the DAILM as a primary device.
Step 2: On the phone connected to the OTIU, press 
“**07” after hearing the dial tone. Hang up and Learn 
LED will flash for 15 seconds. If an error tone is heard it 
means that memory will have to be cleared (see 
Troubleshooting).
Step 3: Within 15 seconds, press and release the Learn 
button on the DAILM.
Step 4: The OTIU will ring the telephone and Caller ID 
will display “Unit Learned”.
Step 1: On the phone connected to the OTIU, press 
“**07” after hearing the dial tone. Hang up and Learn 
LED will flash for 15 seconds. If an error tone is heard it 
means that memory will have to be cleared (see 
Troubleshooting).
Step 2: Within 15 seconds press the Learn button on 
ONE Repeater. The LED will light.
Step 3: The OTIU will ring the telephone and Caller ID 
will display “Unit Learned”.
NOTE: If the Repeaters have not been programmed to 
anything within an existing network, see Repeater 
manual for further instructions.
NOTE: If programming into an existing network, ensure 
the OTIU is programmed to the Active unit.
Repeaters
Gate Access Panel (GAPLM)
DAILM
