MIL-STD-2042-1 Fiber Optic Cable Topology Installation Standard Methods For Naval Ships Cables Part 1 Of 7 PartsThis standard provides detailed methods for fiber optic cable selection, handling, marking, and repair.

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MIL-STD-2042-lB(SH)

Meltable

Overall

Jacket

25 mm min

Expanded end cap

FIGURE lAl-l.  Installing expanded end cap on cable.

Step 5 -  CAUTION:  Do not overheat the cable.  Prolonged exposure of the jacket to temperatures above l60oC (320oF) may damage the cable

jacket.  Discontinue heating of the sleeve and allow the cable jacket to cool before reheating, if the cable jacket shows any signs of bubbling.

Hold the heat gun approximately l00 mm (4 in) from the end cap and as heat is applied, move the heat gun back and forth over the end cap. Shrink the end cap from closed end to open end to avoid trapping air. (NOTE:        Minimum recovery temperature is l2loC (250oF).

Step 6 -  When the end cap has recovered enough to assume the configuration of the cable and excess adhesive appears at the end of the cap, discontinue heating (see figure lAl-2). (NOTE: Additional heat will not make end cap shrink more tightly.)

Overall               Adhesive jacket

Recovered end cap

FIGURE lAl-2.  Completed end seal.

lAl-3

METHOD lAl

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