CONNECTORS
CONNECTORS ON THE RFU
E
NVOY™ TRANSCEIVER REFERENCE MANUAL 371
Tx audio input
Audio input from external equipment, for example, data modems, is connected
between pins 5 and 15 and is a balanced floating input. The input signal should be
nominally 1 V p–p and not exceed 3 V p–p.
System audio output
This supplies Rx audio at a default level of –13 dBm.
System audio output is normally unbalanced and connected to pin 14. The transceiver
can also be internally reconfigured to provide balanced 600 Ω audio output from
pins 14 and 7. In this mode, the relay contacts can only be used by switching pin 6 to
either ground or the battery volts.
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