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RLC-4 V1.79 Copyright © 1998 Link Communications Inc. 9/18/98
Troubleshooting the Controller
No Audio at Test Bus
Check for main system power
Is there a valid COR signal present on the receiver: (Default: Active Low)
Have audio at the test bus, but not on the transmitter
Are the output audio pots adjusted correctly
Is the transmitter connected to the controller's audio output: Pin 4 on the DB-9
Is the PTT connected to the controller: Pin 3 (Low on Transmit)
When I connect my COR, the RLC-4 will not accept it
My COR is set for active Low, does the COR go to ground when active
My COR is set for active High, does the COR go to ground when inactive
Can the COR sink (2mA) when active
Does the 5V pull-up resistor conflict with your radio
- Motorola R-100 Repeaters are susceptible to this
- Open collector the driver on R-100 repeaters
When I connect my serial terminal, I do not get any data
Is your terminal's baud rate set to 9600, N, 8, 1
The controller requires all RS-232 signals (TX/RX/Ground) be connected
Are all the RS-232 TX and RX and ground wires connected
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