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Chapter 10, Signaling Encoder (AF Generator 2)
EDACS Encoder
Data Rate
This field sets the data rate (in bits-per-second) for the high-speed signaling. The
value can be changed using the keypad, or by selecting a value from the
Standard field. However, the 9600 bps rate is the EDACS default, and should
not be changed under most circumstances. (4800 is used for narrowband 900 MHz
systems in the U.S.)
FM Coupling
This field is used to select ac or dc coupling of the encoder to the RF Generator
when the AFGen2 To field is set to FM. Because the EDACS Encoder sends low-
speed data, this field should be set to
DC.
Group ID
This field is used to specify the group identification number for the trunked radio
group your radio is set up to access.
Handshake
This field is used to get the mobile up on a working channel after it has accessed
the control channel.
When
Send is selected, the control channel message is output at the receive
frequency specified in the Control Channel settings. The Status: field
changes from Idle to Control, and the RF Analyzer is tuned to the control
channel’s transmit frequency.
Operating Considerations
The control channel message must be transmitting before a handshake can be
initiated. The Status: field indicates Control when the control channel is
transmitting, and changes to
Working when the working channel is being sent.
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