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Chapter 4: Preparing for installation
Testing system components
Page
4-15
Alignment tone cable (for PMP/PTP 450i)
The alignment tone cable is constructed using RJ45 plug and Stereo plug. The pin configuration is shown in
Figure 74
Figure 74 Alignment tone cable pin configuration
Aux port to alignment tone headset wiring
Override plug cable (for PMP 450 only)
To construct an override plug, perform the following steps:
•
Crimp an RJ-12 6 pins connector onto a 6-inch length of CAT 5 cable
•
Pin out all 6 pins
•
Short (solder together) pins 4 and 6 on the other end. Do not connect any other wires to anything.
Figure 75 RJ-12 pinout for the default plug
22
0 Ω
22
0 Ω
Resistors
Pin 7
Pin 4
Left
Right
Common
#8
#1
``
RJ12 Connector (Bottom)
Override plug cable wiring
6
5
4
3
2
1
Tie together
Not used
Not used
Not used