Front Panel Terminal; Modification Of Serial Port Level - Kenwood TK-2180 Modification Information

1.5

Front Panel Terminal

(TK-7180/ 8180 only)
The front panel terminal is equipped with the 14-pin
connector.
Table 1-5 The Front Panel Terminal Pin Assignment
Pin
Name I/O
number
1 SPI I
2 GND -
3 8C -
4 SB -
5 RA O
6 PSW I
7 MIC I
8 ME -
9 PSENS I
10 TXD O
11 RXD I
12 GND -
13 SHIFT O
14 RST2 O
Version: 1.13 USA
Function
Front Panel Speaker Input
Ground
8 V Power Supply
Power Supply (Switched B)
Audio Output (for SP-MIC)
Power Switch Control Input
Mic Input
Mic Ground
Panel Sens. Input
Serial Data Output
Serial Data Input
Ground
Beat Shift Output
Sub-u com Reset Output
Modification Information
1.6 Modification of Serial Port
Level
(TK-7180/ 8180 only)
The TXD2 and RXD2 of the 25-pin connectors are
configured at the C MOS level (0/ 5 V) as a factory default
setting.
You can convert the level to the RS232 level (±12 V) by
configuring the port. The following procedures shows how
to change the serial port level to the RS232 level.
1. Remove the top cover of the TK-7180/ 8180
transceiver.
• Lift the top cover by widening two side tabs. Then,
pull upward to remove the top cover from the
transceiver body.
1 TERMINAL FUNCTION
5