Icom IC-905 Basic Manual page 90

13
CONNECTOR INFORMATION
RF unit
D [ACC]
Connects to devices to control an external unit or to control the transceiver.
L DO NOT connect anything to NC pins.
Pin
ACC
No.
1
2
3
4
10-pin 5
6
1 8
2 9 7
7
3 10 6
4 5
8
Bottom panel view
9
10
When connecting an external unit
When connecting an external unit, use a supplied
accessory connector.
L Usable cable diameter: 4.5 ~ 6.5 mm (0.2 ~ 0.3 in)
★
Attach the ring.
Solder
Rotate
NOTE: Attach the ring (★). Otherwise the dust-
protection and water jet resistance cannot be
guaranteed.
Name Description
NC –
NC –
GND Connects to ground.
NC –
NC –
NC –
ALC ALC voltage input.
GND Connects to ground.
An external unit controls
the transceiver. When this
pin goes to ground, the
Input/output
SEND
transceiver transmits.
pin.
The pin goes low when
the transceiver transmits.
NC –
Pass a cable (User supplied).
–
–
–
–
–
–
Input impedance:
Input level:
Input voltage:
Input current:
–
Voltage:
(Reverse voltage:
Open circuit voltage: 5 V
Voltage (TX):
Current flow:
–
13-4
Specifications
More than 10 kΩ
–4 ~ 0 V
Less than 30 V
Less than 0.5 mA
Less than 30 V
80 V)
–0.5 ~ +0.8 V
Maximum 2.27 mA