Fiber Optic Cable - M Series Cable

M-Series Messenger Cables Product Specifications
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Light
Medium
Heavy

How to Use the Product Specifications Charts
Determine the desired fiber count, span length (pole spacing) and storm load rating for your application. Select the chart which describes your NESC Storm Load Rating (from the map below) and the desired cable style. Enter the selection chart from the left, selecting the row for the appropriate fiber count. Then go across this row until you reach the number equal to or greater than the desired span length in meters. At the bottom of this column is the "Messenger Designation: for the desired cable. Complete the part number suffix with this Messenger Designation and the selection of strength member.

Example
If the application is in Florida, the storm load map indicates that this is NESC Storm Load Rating "Light". Considering the prevalence of thunderstorms, the Dielectric Messenger is chosen from the chart below. If the requirement id for an 8-fiber cable, with the longest span length being 65 meters, enter the chart from the left (at 8 fibers), go across that row to "70", the next higher span length, and down that column to the letter "E". The part number suffix then becomes "-EDS" (Messenger Designation"E" with dielectric strength member "DS").

NESC (Light) SS/GS Steel Messenger
Fiber Count	Span Length (meters)
2	50	125	140	190	250	315
4	50	125	140	190	250	315
6	0	125	140	190	250	315
8	50	100	140	190	250	315
12	45	80	130	170	225	285
18	45	80	130	170	225	285
24	40	75	110	150	200	160
36	32	70	100	140	160	210
48	28	55	85	115	145	190
60	-	55	80	115	145	185
72	-	50	75	105	140	180
84	-	45	75	100	130	170
96	-	45	65	90	125	155
	E	F	G	H	I	J

NESC (Light) Dielectric Messenger
Fiber Count	Span Length (meters)
2	55	70	110	150	175	195
4	55	70	110	150	175	195
6	55	70	110	150	175	195
8	55	70	110	150	175	195
12	50	60	100	130	155	175
18	50	60	100	130	155	175
24	50	55	90	115	140	155
36	40	45	80	95	125	135
48	-	40	65	80	105	115
60	-	40	55	80	100	110
72	-	-	55	75	95	105
84	-	-	55	75	90	95
96	-	-	50	65	85	90
	E	F	G	H	I	J