ICOM iC-r8500 User Manual download pdf (Page 36)

CONNECTOR INFORMATION

D RS-232C socket

D Remote jack

D IF OUT jack

D AGC OUT jack

D External speaker

Pin Port name Description

GND Grounded.

2 RXD Input port for CI-V format data; +12V/–12V.

3 TXD Output port for CI-V format data; +12V/–12V.

RTS

CTS

Shorten these ports inside.

Can be connected to pin 8 (DCD) via the inter-

nal circuit board (‘coffee beans’).

6 DSR

NC; can be connected to pin 20 (DTR) via the

internal circuit board (‘coffee beans’).

7 GND Grounded.

8 DCD

NC; can be connected to pins 4 and 5 (RTS/CTS)

via the internal circuit board (‘coffee beans’).

9–19 NC No connection.

20 DTR

NC; can be connected to pin 6 (DSR) via the

internal circuit board (‘coffee beans’).

21–25 NC No connection.

13 1

25 14

Pin Port name Description

Inner REMOTE Input/output port for CI-V format data; +5 V/0 V.

Outer GND Grounded.

Pin Port name Description

Inner IF OUT

Frequency: 10.7 MHz

Output level: –60 dBm (with –50 dBm input from

an antenna connector in WFM mode)

Outer GND Grounded.

*Output is selectable with an internal jumper pin (p. 16).

Port name Description

Inner*

AGC out

Output voltage: 1 to –2.4 V DC

(signal strength weak to strong)

Output impedance: 2.2 MΩ

Audio detect

Output level: 200 mV rms

(at Mod.=1 kHz, Dev.=3.5 kHz)

Output impedance: 4.7 kΩ

• Before the frequency de-emphasis stage.

• Usable for FM only (not including WFM).

Outer GND Grounded.

Pin Port name Description

Inner AF out

Output level: More than 2 W

Output impedance: 4–8 Ω

Outer GND Grounded.

3.5 mm (diam.) 2-conductor

Outer

Inner

RCA (phono) jack

Inner

Outer

RCA (phono) jack

Inner

Outer

3.5 mm (diam.) 2-conductor

Outer

Inner

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ICOM iC-r8500 User Manual Page 36

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