Icom IC-R8500 Instruction Manual - Page 37

DDC 13.8 V and DC IN sockets DREC REMOTE jack DREC OUT jack DPHONES jack

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9 CONNECTOR INFORMATION D DC 13.8 V and DC IN sockets DC 13.8 V 4 1 DC IN Inner • DC IN Pin Port name Inner DC IN Outer GND Description Accepts connection to the AD-55A/V only Grounded. Outer [POWER] switch Receiver circuit Internal regulator circuit • DC 13.8 V Pin Port name Description 1 13.8 IN 13.8 V DC input; current consumption 2 A 2 12.5 OUT 12.5 V DC output when connecting AD-55/A/V to [DC IN] socket. Max. 2 A 3 NC - 4 GND Grounded. D REC REMOTE jack Outer Inner 3.5 mm (diam.) 2-conductor Pin Inner Outer Port name SQL GND Description • Grounded when squelch opens. • Can be deactivated via initial set mode. (p. 31) • Max. current: 1 A/12 V DC - D REC OUT jack Outer Inner 3.5 mm (diam.) 2-conductor Pin Inner Outer Port name DET GND Description • Output detected audio output. • 100-300 mV rms/4.7 kΩ Grounded. D PHONES jack Outer Inner Middle 6 mm (diam.) 3-conductor Pin Port name Description Inner, Middle Audio • Outputs audio. • Output impedance: 4-16 Ω Outer GND Grounded. 34

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34
9
CONNECTOR INFORMATION
D
DC 13.8 V and DC IN sockets
D
REC REMOTE jack
• DC IN
• DC 13.8 V
DC 13.8 V
Inner
Outer
[POWER]
switch
Receiver
circuit
Internal
regulator
circuit
DC IN
4
1
Pin
Port name
Description
Inner
DC IN
Accepts connection to the AD-55A/V only
Outer
GND
Grounded.
Pin
Port name
Description
1
13.8 IN
13.8 V DC input; current consumption 2 A
2
12.5 OUT
12.5 V DC output when connecting AD-55/A/V
to [DC IN] socket. Max. 2 A
3
NC
—
4
GND
Grounded.
Pin
Port name
Description
Inner
SQL
• Grounded when squelch opens.
• Can be deactivated via initial set mode. (p. 31)
• Max. current: 1 A/12 V DC
Outer
GND
—
Pin
Port name
Description
Inner
DET
• Output detected audio output.
• 100–300 mV rms/4.7 k
Ω
Outer
GND
Grounded.
Pin
Port name
Description
Inner,
Middle
Audio
• Outputs audio.
• Output impedance: 4–16
Ω
Outer
GND
Grounded.
3.5 mm (diam.) 2-conductor
Outer
Inner
D
REC OUT jack
3.5 mm (diam.) 2-conductor
Outer
Inner
D
PHONES jack
6 mm (diam.) 3-conductor
Middle
Inner
Outer