AT&T MERLIN LEGEND Release 3.1 System Programming Manual page 796

Button Diagrams
22
21
5
4
3
Icom
2
Voice
Icom
1
Ring
Figure E–3. MLX Telephone Button Diagram (Key and Behind Switch Mode)
E–4
System Programming
24
23
10
3 8
9
2 7
8
6
1
7
5
6
4
10
Key Mode:
Up to 8 personal line
buttons are assigned
beginning at button 3.
26
25
15
14
13
12
11
20
Behind Switch Mode:
One prime line button
is assigned to button 3.
28
27
20
19
28
18
20
17
16