ICOM IC-FR3000 Instruction Manual: D Remote Connector; D Accessory Connector

Vhf/uhf fm repeater.
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PANEL DESCRIPTION

D Remote connector

Pin No.
q
i
D Accessory connector
!3
@5
Pin No.
Pin Name
1
BUSY OUT
2
COAXIAL SW
3
M/S IN
4
D1
5
D3
6
EXT RPT/BASE
7
EXT MONI
8
EXT DTCS
9
EXTMOD IN B
10
EXTMOD IN A
11
AF OUT
12
DISC OUT
13
+15V
14
TX OUT
3
Pin Name
Input terminals to transmit the repeater in rela-
1
–PTT
tion to the external equipment. An opto-isolator
2
is provided to facilitate PTT signals.
+PTT
Output terminal for AF signals from the AF de-
3
–AFOUT
tector circuit via the bandpass filter. Output level
4
+AFOUT
is fixed, regardless of [AF] control.
5
–EXTMOD
Input terminal for the modulation circuit.
6
+EXTMOD
Output
7
–BUSY
(Open/Close). An opto-isolator is provided to fa-
8
+BUSY
cilitate BUSY signals.
q
!4
Output terminal for busy signal.
Output terminal for coaxial switching (antenna switching)
signal.
Input terminal for master/slave signal.
Input terminal for selecting memory channel.
Input terminal for selecting memory channel.
Input terminal for repeater/base operating mode switching
signal.
Input terminal for monitor function.
Input terminal for continuous tone (CTCSS/DTCS) signal.
Input terminal for the modulation signals applied to input of
the splutter filter circuit.
Input terminal for the modulation signal applied to input of
the pre-emphasis circuit via the bandpass filter.
Output terminal for AF signals from the AF detector circuit
via the bandpass filter. Output level is fixed, regardless of
[AF] control.
Output terminal for AF signals from the AF detector circuit.
Output level is fixed, regardless of [AF] control.
Output terminal for +15V DC while in AC operation. (While in
DC operation, same as input DC.)
Output terminal for transmission state.
Description
terminal
for
squelch
condition
Description
Specification
High voltage=PTT ON (transmits)
Hi-Z=PTT OFF
Output impedance: 600 Ω
Input impedance: 600 Ω
Open collector=BUSY OFF
0 V=BUSY ON (Squelch is opened)
Specification
Open collector=OFF, 0 V=ON
Open collector=OFF
0 V=ON
+5 V pull up, Active=L
+5 V pull up, Active=L
+5 V pull up, Active=L
+5 V pull up
Active=L
+5 V pull up, Active=L
Input impedance: 100 kΩ (approx.)
Input impedance: 600 Ω (approx.)
Input impedance: 600 Ω (approx.)
Output impedance: 1 kΩ (approx.)
Output impedance: 1 kΩ (approx.)
Output current: Less than 1 A
Open collector=OFF, 0 V=ON

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Ic-fr4000

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