Fire-Lite MS-25E Addressable Fire Control Panel - Manual (Page 44)

Model MS-25 Installation and Operation Manual
4-14 53688
4.8 Telephone Connection
Connect the telephone lines as shown in Figure 4-10. The Model 7860 phone cord is available
from Fire-Lite for this purpose.
Figure 4-10 Connection of Telephone Lines
Use Minimum of 26
AWG Telephone
Line cord