User Manual Chapter 2
GFK-1742F Jan 2020
System Overview 35
Figure 19: Installing a Jumper when an External Regeneration Resistor is not Used
With External Regeneration Resistor
If you have an external regeneration resistor, observe that it has four wires. The two smaller
wires (K8) connect to the resistor’s internal, normally closed, over-temperature switch. This
switch will open and shut down the amplifier if the resistor gets too hot. The two larger wires
(K7) connect to the resistor. All connectors needed to connect this resistor unit to the
amplifier are provided in the amplifier package.
Connect the two over-temperature switch wires (K8) to CX11-6 terminals TH1 and TH2.
(These connections are not polarity sensitive.)
Connect the two resistor wires (K7) to CX11-2, terminals DCP and DCC. (These connections
are not polarity sensitive.)
Figure 20: Connecting the External Regeneration Resistor
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