Chamberlain Garos CS 300 Operating Instructions Manual page 31

5.4 Connection examples for command and
safety devices (terminal block X3)
OPEN / STOP / CLOSE buttons
(6-lead solution)
10
- CLOSE button
9
8
7
6
- OPEN button
5
4
- STOP button
3
2
1
OPEN / STOP / CLOSE buttons
(4-lead solution)
10
- CLOSE button
9
8
7
6
5
- OPEN button
4
- STOP button
3
2
1
Key switch OPEN / CLOSE
10
- CLOSE
9
8
7
6
5
- OPEN
4
3
2
1
Impulse button
(sequence control)
10
9
8
- impulse button
7
6
5
4
3
2
1
Connection:
Connect the command and safety devices to the control.
CS 300 Gate Controls / Rev. 5.3 – 
GB