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Document 15949 Rev. E 4/12/95 P/N 15949:E
Branch Resistance
Short the termination point of one branch at a time and measure DC resistance from the
beginning of the loop to the end of that particular branch. The total DC resistance from
panel to branch end cannot exceed 40 ohms. Repeat this procedure for all remaining
branches.
Communications Loop Out
Branch
Figure 3-4: AIM-200 Wiring Requirements Non-Redundant Circuit
+ - + -
AIM-200
Branch D
Branch B Branch E
Branch A
Loop
Out
aimwire1
For Each Loop:
Add the lengths of all the branches on one
loop. This sum cannot exceed 10,000 feet
per loop.
(Branch A)
+ (Branch B)
+ (Branch C)
+ (Branch D)
+ (Branch E)
= 10,000 feet or less
Branch C
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