Terminal Function - Kenwood KDS-100 Service Manual

KDS-100
Connector Pin Pin Name I/O
Name No.
J1 1 BKL
PROG/ 2 PSB
MIC 3 E
4 TXD
5 ME
6 MIC
7 RXD
8 CM
CN1 1 TXD1
2 RXD1
3 CTS1
4 GND
CN2 1 TXD2
2 RXD2
3 CTS2
4 GND
CN3 1 Vcc
2 BACK UP
3 TXD
4 RXD
5 NC
6 DGPS
7 NC
8 GND
CN5 1 SB
2 SBO
RADIO 3 DI
4 GND
5 DO
6 PTT
7 DTC
8 SQ
9 TXS
10 AM
11 MM
12 ID
13 DISP OFF
14 TXD
15 RXD
30

TERMINAL FUNCTION

Description
O Controls keypad backlight of the
microphone.
O DC output (13.6V)
- Earth
O Serial output
- Not applicable
I Not applicable
I Serial input
I Not applicable
O Not applicable
I Not applicable
O Not applicable
- Ground
O Not applicable
I Not applicable
O Not applicable
- Ground
I DC input (3.3V)
I BACK UP DC input
O Not applicable
I Not applicable
- -
I Not applicable
- -
- Ground
I Main power supply input (13.6V)
O DC output (13.6V)
I Modem input from radio DEO
(detector output)
- Ground
O Modem output to radio DI
(modulation input)
O PTT output
O Data TX control output
I Squelch input
I Radio TX detect input
O Audio mute
O Microphone mute
O ID detect output (KGP protocol)
O Controls radio LCD on/off
O Serial output (CMOS level)
I Serial input (CMOS level)
Connector Pin Pin Name I/O
Name No.
CN6 1 I/O A1 I/O
I/O 2 I/O A2 I/O
3 I/O A3 I/O
4 I/O A4 I/O
5 GND -
6 5V OUT -
7 I/O B1 I/O
8 I/O B2 I/O
9 I/O B3 I/O
10 I/O B4 I/O
11 ACC DETECT I
12 GND -
CN15 1 5V OUT O
2 SELECT -
3 DATA1 -
4 CLOCK1 -
5 GND -
6 NC -
7 DATA2 -
8 CLOCK2 -
9 GND -
10 NC -
CN16 1 5V OUT O
2 CLOCK I/O
3 DATA I/O
4 NC -
5 GND -
CN17 1 + O
2 – O
CN18 1 + O
2 – O
CN33 1 DGPS O
2 NC -
3 GND -
Description
Multipurpose I/O port,
Group A (programmable)
Multipurpose I/O port,
Group A (programmable)
Multipurpose I/O port,
Group B (programmable)
Multipurpose I/O port,
Group B (programmable)
Ground
DC output (5V)
Multipurpose I/O port,
Group A (programmable)
Multipurpose I/O port,
Group A (programmable)
Multipurpose I/O port,
Group B (programmable)
Multipurpose I/O port,
Group B (programmable)
Accessory detect
Ground
DC output (5V)
Not applicable
Not applicable
Not applicable
Ground
-
Not applicable
Not applicable
Ground
-
DC output (5V)
Not applicable
Not applicable
-
Ground
Internal speaker (BTL)
Internal speaker (BTL)
External speaker (BTL)
External speaker (BTL)
Not applicable
-
Ground