Technical data
Chapter 4: Installation  
CAUTION: Always install the two batteries with the battery terminals pointing to the center 
and in the upright position as shown in Figure 4-15. Failure to do so may cause a short circuit 
which may damage the SP40S panel or batteries and cause the panel to fail to operate in an 
emergency condition. 
-
+
-
+
Short Jumper
(Supplied)
To Negative (-)
of Battery
Terminal (TB10)
on bottom of 
motherboard
To Positive (+)
of Battery
Terminal (TB10)
on bottom of 
motherboard
Figure 4-15 Battery Alignment and Jumper Connection 
4.  Connect the short jumper (included) to the back terminals (negative to positive) of the two batteries as 
shown in Figure 4-15. This connects the 12VDC batteries in series in order to produce 24VDC. 
5.  Place the batteries in the battery compartment with the battery terminals and jumper facing “UP” or 
toward the top of the SP40S panel. Make sure that the red and black battery jumpers are clear of the 
batteries. 
6.  Attach the red and black battery wires (red to (+), black to (–)) to the proper battery terminals. 
SP40S Multi-Function Facility Communication System Manual, Revision D 
26 










