Installing the Modules
400 EM
Module
I
Switches
1 through 5
control
Port 4
(1C. E&M
unprotected)
Switches
6 through 10
control
Port 3
(1C. E&M
protected)
Switches
1 through 5
control
Port 2
(5 simplex)
Switches
6 through 10
control
Port 1
(1C.
E&M
protected)
I
1
Figure 2-11. 400EM Module Sample Dip Switch Settings for Signaling Types
1C and 5
Installing the Control Unit 2-37