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Kenwood Radio Series
5.3 TK-x150/-x180 Model Cable Assembly
IP-224 to TK-x150/-x180 audio and serial cable connections.
Signal
Ground
PTT Common
PTT
COR
RX+
TX+
TXD
RXD
a.
There are differences between the TK-x150 and TK-x180 radio's DB-25 connectors:
8
IP-224 DB-37
29
5
24
15
20
1
17
36
•
If COR is used, then pin 20 (TK-x150 an output only) is programmed for that
function and the cable routes that signal to the IP-224.
•
On the TK-x180 the same pin is a general purpose I/O and has an additional 470
Ohm series resistance added. Therefore, the IP-224 internal pull-up voltage must be
removed. The Auto Configuration feature will adjust hardware settings accordingly.
TK-XXXX Radio DB-25
7
7
12 Aux Input 4 (Programmable)
20 Aux Output 1 (Programmable)
17
6
2
3
a
F.01U.321.735
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