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Interfacing to the RKP-4B
TX/RX Antennas
The TNC jack marked “RCV” is for the receive antenna. The
TNC jack marked “TRAN” is for the transmit antenna. The
base station will come with two 1/2 wave antennas. Always
match the color dot on the base station with the colored band
on the antenna.
Matrix Port
The RKP-4B connects to a matrix via the RJ-12 jack labeled,
“MATRIX”. This connector contains input and output bal-
anced audio and balanced data. The pinout for this jack may
be seen in Figure 6-2. For a description of how to set up the
audio levels at this jack refer to intercom settings in this sec-
tion.
Auxiliary Port
This jack allows a balanced input auxiliary signal to be placed
into the base station. It also allows a balanced output signal to
be brought out of the base station. The input signal can be
software selected to be local or global. A local input signal is
only heard at the base station’s local headset and beltpack. A
global input signal is placed on the Matrix output audio from
the base station. The pinout for this jack is in Figure 6-3.
6-2
Figure 6-1
RKP-4B Rear Connectors
Figure 6-2
Pinout of the Matrix Jack
Figure 6-3
Pinout of the Auxiliary Jack