APRS Motorols MCS2000 & Kantronics KAM XL
Interface Motorola MCS2000 & Kantronics KAM XL
KAM XL 9-Pin DB Connector (Port 2 - VHF)
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Motorola MCS2000 Accessory Connector
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Pin Letter
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Description
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Pin Number
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Description
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6
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Ground
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10
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Ground
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3
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PTT
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21
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Microphone PTT (Input)
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5
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RX Audio
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11
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Flat/Filtered RX Audio 350 mV RMS @ 3KHz Deviation (Output)
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1
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TX Audio
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23
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Microphone Audio 80 mV RMS @ 3KHz Deviation (Input)
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9
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Ground
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10
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Ground
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N/A
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N/A
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15
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Ignition Control Input (Input)
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N/A
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N/A
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14
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Switched Battery Voltage 0.5 Amps Max (Output)
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- MCS2000 pin #1 & pin #2 must be connected for internal speaker to work.
- MCS2000 pin #4 & pin #9 must be connected at all times.
- Connect to KAM XL over the serial port with a terminal program
- Enter calibrate mode (cal)
- Use the ‘T’ option to initiate a continuous signal
- Use the ‘-‘ or ‘+’ keys to decrease or increase drive level
- Make adjustments so that the transmitter produces about 3 kHz of deviation
- Exit calibrate mode with the ‘X’ command