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Firecom 3025R Installation & Operation Manual page 8

Fire apparatus intercom remote head

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This section describes the installation of the RJ-12 modular
plugs onto the flat CA cable.
1. Using the cutter blade on the crimping tool (labeled "A"
in Figure 7), cut the flat CA cable so the cut is clean
and 90 degrees to the sides of the cable.
2. Insert one end of the CA cable between the stripping
blades (labeled "C" in Figure 6) until the end of the
cable hits the stop (labeled "B" in Figure 7).
FIGURE 7:
RJ-12 Modular Plug
Crimping Tool
3. Squeeze the handles of the crimping tool together until
the tool bottoms out.
4. While holding the handles together, pull the cable out of
the tool.
5. The stripped insulation should expose approximately
3 /16" of wire (Figure 8).
6. Push a RJ-12 modular plug into the plug holder on the
crimping tool (labeled "D" in Figure 7) until the release
tab on the plug locks into position.
6
M O D U L A R P L U G I N S T A L L A T I O N
7. Holding the cable so that the printed side of the cable is
toward the release-tab on the plug, push the cable into
the plug as far as it will go.
ALWAYS make sure the printed side of the
cable is facing the release-tab on the RJ-12
modular plug (Figure 9). This ensures proper
orientation of the plug on each end of the cable.
8. Squeeze the tool handles COMPLETELY together. You
may feel the crimper finish punching the contacts through
the insulation on the wires.
9. Let the handles spring open.
10. Push down on the release-tab on the RJ-12 modular plug
(Figure 9) and remove the RJ-12 modular plug from the
crimping tool.
11. Inspect the plug to ensure that the cable is held securely
in place.
12. Repeat this procedure as necessary to install a RJ-12
modular plug on each end of the CA cables.
FIGURE 8:
Stripped CA Cable
FIGURE 9:
RJ-12 Modular Plug

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