![background image](http://html.mh-extra.com/html/icom/ic-7300/ic-7300_full-manual_612249154.webp)
18
CONNECTOR INFORMATION
18-4
KEY jack
EXT-SP jack
REMOTE jack
ALC jack
SEND jack
PHONES jack
Connects to a CW straight key or a paddle:
6.35 mm (¼ in) (d)
When connecting a CW straight key.
com
dash
dot
When connecting a CW paddle and using the internal
electronic keyer.
Connects to an external speaker:
3.5 mm (⅛ in) (d)
•
Output impedance: 4 ~ 8 Ω
•Output level:
More than 2.5 W at
10% distortion into an
8 Ω load.
EXT-SP
Used for computer control and transceive
operation:
3.5 mm (⅛ in) (d)
The optional CT-17 is required when
connecting a PC to [REMOTE].
REMOTE
ct-17
9–15 V DC
PC
mini-plug cable
Cable
( RS-232C
type)
IC-7300
ALC
Connects to the ALC output jack of a non-
Icom linear amplifier. (RCA Plug)
•Control voltage: –4 ~ 0 V
SEND
The terminal goes low when the transceiver
transmits. (RCA Plug)
This terminal is used to control an external
non-Icom linear amplifier.
T/R control voltage and current must be
less than 16 V DC and 0.5 A.
Connects to standard stereo headphones:
3.5 mm (⅛ in) (d)
•
Output impedance: 8 ~ 16 Ω
•Output level:
More than 5 mW into
an 8 Ω load.
PHONES
DC power socket
Accepts the regulated DC power
for 13.8 V DC ±15% through the
supplied DC power cable.
R
WARNING! NEVER
reverse the
DC power cable polarity.
Rear panel view
Previous view