MIL-STD-2042-2B(SH)
1. SCOPE.
METHOD 2B1
CONVENTIONAL CABLE ENTRANCE TO EQUIPMENT VIA MCP
1.1 Scope. This method describes a procedure for optical fiber cable entry to fiber optic cable topology and other equipment through multiple cable penetrators (MCP) integral to the equipment being entered. Procedures for electrical cable entry and grounding to equipment through MCPs integral to the equipment shall be as specified on the applicable ship or system drawings.
2. REQUIRED EQUIPMENT AND MATERIALS.
2.1 The equipment and materials in table 2B1-I shall be used to perform this procedure.
TABLE 2B1-I. Equipment and materials.
|
Description |
Quantity |
Safety glasses |
1 |
Ruler |
1 |
Tallow (Hevi-Duty/Nelson AA0099 or equal) |
As required |
Open end wrench (sized to fit wedgepack nut) |
1 |
Cable jacket stripping tool (NAVSEA DWG 6872812-08 or equal) |
1 |
Kevlar shears (NAVSEA DWG 6872812-16 or equal) |
1 |
3. PROCEDURE.
3.1 Safety Summary. The following safety precautions shall be observed:
a. Safety glasses shall be worn at all times when handling bare fibers.
b. Do not touch the ends of bare fiber. Wash hands thoroughly after handling bare fibers.
c. When visually inspecting an optical fiber, never stare into the end of a fiber connected to a laser source or LED.
3.2 Procedure.
Step 1 - Select MCP blocks in accordance with table 2B1-II. Step 2 - Measure the length of the cable jacket to be removed:
For unterminated cables, measure the distance required to route OFCCs from innermost portion of the MCP completely around the interior of
the interconnection box (or to the furthermost connection point in the end user equipment), add approximately 130 mm (5 in) and mark the
cable outer jacket.
2B1-1 METHOD 2B1
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