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Figure 3-11. Modular adaptors
When making modular adaptors, the 3K resistor shown in Figure 3-11
may be eliminated for use with most terminals. The resistor is used to
loop control signals back to the attached device when 4-wire cable is
used and pin 6 is not connected. When using 6-wire cable and there is
a voltage on pin 6, the resistor has no effect and the voltage on pin 6 is
passed through to the attached device.
3-10
Equinox Megaport SS Board Series Hardware Manual
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