Mobile Expertise Ltd D350V2 Benutzerhandbuch

10

11

7 (default)

Audio IN (Mic) / Monitor

Audio signal that is 

fi ltered 

(high pass and pre- emph)  then follows same route as  data mod through LPF

. Sub-

audio tone is mixed with audio  after the LPF

.

1KHz audio at 60%  peak system deviation input level = 6 to 8mV  rms

I/P

Grounding line activates  monitor action

<100k resistor to  ground

7 Link option

RSSI

RSSI Level

1 to 3.5 V

O

/P

8

Program data IN/ serial  command

Used for serial command for  radio control or is used for  inputting programming data

TTL

 level (RS232 

converter in  programming cable)

I/P

9

Audio OUT

Audio output from the audio  ampli

fi er

.

Filtered by tone-

fi lter and de-

emphasis circuit.

1KHz audio at 60%  peak  dev

. produces 

nominal 1V

rms @ 8

Ω

O/P

10

RS232 Data IN for  option module

Data input when the option  module board is installed.

RS232 level

I/P

11

RS232 Data Out for  option module

Recovered data output when  the option module is installed..

RS-232 level

O

/P

12 (default)

Buf

fer status( busy) for 

option module (reserved)

Indicates buf

fer status to 

prevent data loss according to  buf

fer overrun

RS-232 level

O

/P

12 Link option

Lock Detect signal

PLL

 lock detect signal

>3V out of lock <0.5V in lock

O/P