Instruction manual
Maintenance Console
9-3
Maintenance and Troubleshooting
When you press each one of these buttons, the Message LED should 
toggle on and off. 
6. Press the fixed-feature buttons and dialpad buttons in the order shown 
below to turn on all the LEDs.
a. Redial
b. Conference 
c. Transfer
d. Hold 
e. Dial 123456789*0# 
The LEDs should toggle on and off.
7. If the 4400-Series telephone does not have a display, hang up the 
telephone to end the test. If it does have a display, continue to the next 
step.
8. To test a 4400-Series telephone display, press each display button. 
Each button name should display in the upper-left corner.
9. If any of these tests fail, replace the telephone. 
Station Responding Test 9
Beginning in Release 1.5 of the MERLIN MAGIX system, you can run a Station 
Responding Test to check the connection between an extension and the 
system. 
For 4412D+ telephones, pressing a fixed-feature button or line/
feature button turns the current column of LEDs off (if lit), and 
toggles the Message Waiting Light (MWL) on and off.










