Icom IC-R9500 Instruction Manual - Page 36

Accessory connector information - specifications

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2 INSTALLATION AND CONNECTIONS ■ Accessory connector information ACC 76 381 54 2 PIN No. NAME DESCRIPTION SPECIFICATIONS 1 ANTS Outputs 5 V when the [ANTENNA] Output current : Less than 100 µA switch is ON. Output impedance : 10 kΩ 2 GND Connects to ground. 3 SEND When grounded, attenuator activates GROUND level : -0.5 to +0.8 V and then audio is muted. Input current : Less than 20 mA 4 NC No connection 5 AF AF detector output. Output impedance : 47 kΩ Fixed, regardless of [AF] position in Output level : 100-300 mV rms default settings. (see notes below) 6 SQLS Squelch output. Squelch open : Less than 0.3 V/5 mA Goes to ground when squelch opens. Squelch closed : More than 6.0 V/100 µA 7 13.8 V 13.8 V output when power is ON. Output current : 100 mA 8 MOUT Output S-meter level. Output voltage : 0 to approx. 4 V Output impedance : 10 kΩ DATA IN 76 381 54 2 PIN No. NAME 1 DATA - IN DESCRIPTION 2 GND Connects to video ground. 3 VIDEO Video signal output. (NTSC system only) 4 GND - 5 NC No connection 6 DATA - OUT 7, 8 NC No connection SPECIFICATIONS Output level : 1 V p-p ±0.2 V Output impedance : 75 Ω NOTE: If the beep level limit is in use, the beep tone decreases from the fixed level when the [AF] control is rotated above a specified level. (p. 11-6) 2-12

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2-12
■
Accessory connector information
2
INSTALLATION AND CONNECTIONS
ACC
PIN No.
NAME
DESCRIPTION
SPECIFICATIONS
NOTE:
If the beep level limit is in use, the beep tone
decreases from the fixed level when the [AF] con-
trol is rotated above a specified level. (p. 11-6)
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
ANTS
GND
SEND
NC
AF
SQLS
13.8 V
MOUT
Outputs 5 V when the [ANTENNA]
switch is ON.
Connects to ground.
When grounded, attenuator activates
and then audio is muted.
No connection
AF detector output.
Fixed, regardless of [AF] position in
default settings. (see notes below)
Squelch output.
Goes to ground when squelch opens.
13.8 V output when power is ON.
Output S-meter level.
Output current
: Less than 100 μA
Output impedance : 10 k
Ω
GROUND level
: –0.5 to +0.8 V
Input current
: Less than 20 mA
Output impedance : 47 k
Ω
Output level
: 100–300 mV rms
Squelch open
: Less than 0.3 V/5 mA
Squelch closed
: More than 6.0 V/100 μA
Output current
: 100 mA
Output voltage
: 0 to approx. 4 V
Output impedance : 10 k
Ω
Output level
: 1 V p-p ±0.2 V
Output impedance : 75
Ω
DATA IN
PIN No.
NAME
DESCRIPTION
SPECIFICATIONS
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7, 8
DATA
IN
GND
VIDEO
GND
NC
DATA
OUT
NC
—
Connects to video ground.
Video signal output.
(NTSC system only)
—
No connection
—
No connection