User's Manual

FSM Cable Installation & MEU Activation
Page 26 of 43 Rev. 1A, Rev. Date: 8/31/2006
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The following is an example on how to use the above formula
a = distance from the MEU to end of aisle = 40’
b = distance form end of aisle to LAN Cabinet = 35’
40*40 + 35*35 = 1600 + 1225 = 2825
The square root of 2825 = 53.15, so the value of c = 53.15
So the distance from the MEU to the LAN cabinet is 53.15’. Now you have to add in an
additional 10’. This is the estimate for the power cable to go from the ceiling to the LAN
Cabinet. The net result is the LAN Cabinet is about 63.15’ from the MEU. In this example
you could power from the LAN Cabinet using the 75’ cable. 110’ ft cables are expected at
the end of September.
MEU
Location
End of
Aisle
Location of
LAN Cabinet
c
a
b
a = distance from MEU to the End of Aisle.
b = distance from end of aisle to the Location
of the LAN Cabinet
c = distance from MEU to LAN Cabinet
Pythagorean Theorem
a
2
+ b
2
= c
2