14-Pin Universal Connector - Kenwood TK-2180 Modification Information

1 TERMINAL FUNCTION
1.4

14-pin Universal Connector

(TK-2180/ 3180 only)
The 14-pin connector is available on the TK-2180/ 3180
transceivers and you can connect external devices to this
connector.
Pin
Name I/O
number
Ext/Int Speaker Switch Input
1 SSW I
L=External Speaker On, H=Internal Speaker ON, Input Voltage= 0 - 5.0V
BTL Output + for External Speaker
2 SP+ O
Audio Output Power at Volume Max 1.3+/-0.5W 8ohm, 0.9+/-0.5W 16ohm (typ)
BTL Output - for External Speaker
3 SP- O
Audio Output Power at Volume Max 1.3+/-0.5W 8ohm, 0.9+/-0.5W 16ohm (typ)
Ext/ Int Mic Switch Input
4 MSW I
L=External Mic On, H=Internal Mic On, Input Voltage= 0 - 5.0V
Ext Mic Input
5 EMC I Impedance=1.8kohm Audio Level; 60% system deviation with 7.5+/-2.5mVrms Input,
Normal DC Voltage; 5.0+/-1V.
6 ME - External Mic Ground
7 PTT I External PTT Input; L=PTT On
Programmable Function Key Input
8 PF I Input voltage range; 0 - 5V (10kohm Pull-Up to 5V)
Input Level; 5.0 to 4.4=None, 4.4 to 3.1V=PF1 key On, 3.1 to 2.3V= PF2 key On, 2.3 to 0V= PF1&2 key On
AUX I/O port (for External Option)
Man Down Input; H=more than 4.0V/ L=less than 1.0V (Range 0 to 5V)
9 OPT I/O
Serial Data Input; H=more than 4.0V/ L=less than 1.0V (Range 0 to 5V), Data speed=57600bps max
AUX Output; H=more than 4.7V/ L=less than 0.45V with 25kohm load.
10 E - Ground
11 5U - 5 V Output (FPU programable), 140 mAmax
Serial Data Output
12 TXD O
C MOS Level, H=more than 4.7V/ L=less than 0.45V with 25kohm load, Baud rate =57600bpd max
Serial Data Input
13 RXD I
C MOS Level, H=more than 4.0V/ L=less than 1.0V (Range 0 to 5V), Baud rate =115200bpd max
14 NC (E) - Not use (GND)
4
Table 1-4 14-pin Universal Connector Pin Assignment
Function
Modification Information
Figure 1-3 14-pin Universal Connector
Version: 1.13 USA