1-5
Version 1.73 Copyright © 1997 Link Communications Inc. 1/18/97
Step #4: Connecting Your Transmitters to the RLC-Club
Transmitter PTT
- The RLC-Club produces an active low PTT signal (ground when PTT is active). This output
is buffered with an open collector type driver capable of sinking 150mA. There is a built in 30V
zener clamping diode to protect the PTT MOSFET from the high voltage spikes that can be
caused by interfacing to a PTT relay coil. Your transmitter PTT input should be connected to
pin #3 of the DB-9 connector.
Transmitter Audio
- The RLC-Club provides a 600 output impedance to your transmitter audio input.
- The transmitter audio is connected to pin #4 of the DB-9 connector.
- If it is not already, the DB-9 plug can now be plugged into the radio port connector on the
controller.
- You may need to adjust the mike level pot on your transmitter to give the controller more
range in its adjustments. A good rule is to set the transmit pot on the controller mid scale in its
adjustment. The set your transmitters mike level pot to obtain the correct deviation.
Step #5: Adjusting the RLC-Club Receivers
- Locate J2 (Audio delay module connection).
Connect a scope probe to the center of the
provided jumper. This point is your receiver
audio level. Present a stable tone (1 khz tone at
3khz deviation) and adjust the pot marked 'RX'
to read 1 volt peak-peak. Make sure your audio
deemphasis jumper is present if Type 2 audio is
used. Repeat these same adjustments for the
RLC-Club Deluxe interface.
Transmitter Port Adjustment:
- Present a stable Tone or DTMF tone to the
receiver that you are adjusting. Connect the receiver to the transmitters by entering "000 11"
and unkeying or pressing enter, then "000 12". Once the ports are connected present a stable
tone on the repeater port's receiver. Follow the adjustment described below.
- Verify your audio is adjusted to 1 volt peak-peak as described earlier
- Adjust the 'TX' pot on the repeater (Located on the RLC-Club board) to match your desired
deviation.
- Now move to the RLC-Club Deluxe interface if installed and adjust the 'TX' pot to match the
deviation of the repeater 'TX'.
- Your transmitters should not need any additional adjustments once 1 receiver is set up.
Step #6: Connect the Autopatch
The autopatch built into the motherboard of the RLC-Club, so all you have to do is plug a
phone line into the RJ-11 phone jack on the controller. The phone line can be split if needed,
Summary of Contents for RLC-CLUB
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