KCH-16
64
OPTIONAL ACCESSORIES: KRK-11 (Handheld Control Head Interface Kit)
External View
Components Description
Interface unit (X46-3240-20)
Ref. No.
Part name
Description
D5
Diode
Reverse protection
Control unit (X53-4350-20)
Ref. No.
Part name
Description
Q1~3
Transistor
Detection switch
D1~5
Varistor
Surge absorption
D6
Varistor
Current protector
D7
Varistor
Surge absorption
D9
Zener diode
Surge absorption
Terminal Function
Interface unit (X46-3240-20)
Pin No. Name
I/O
Function
CN1 (Remote cable connector)
1
ME
-
MIC GND
2
MIC
I
MIC signal input
3
E
-
GND
4
RESET
O
Reset signal output
5
1/2
O
Remote head 1 signal output
6
TRD
I/O
Bidirection serial data
7
PS
I
Power switch signal input
8
IGN
I
Ignition sense input
9
SB
O
Switched Battery
10
RS1
O
Audio Amp output signal (Non-invert)
11
RS2
O
Audio Amp output signal (Invert)
CN4 (to Control unit W700 of the
TK-5710/5710H/5810/5810H transceiver)
1
ME
-
MIC GND
2
MIC
O
MIC signal output
3
E
-
GND
4
RESET
I
Reset signal input
5
1/2
-
Not used
6
TRD
I/O
Bidirection serial data
7
PS
O
Power switch signal output
8
IGN
O
Ignition sense output
9
SB
I
Switched Battery
10
RS1
I
Audio Amp input signal (Non-invert)
11
RS2
I
Audio Amp input signal (Invert)
Control unit (X53-4350-20)
Pin No. Name
I/O
Function
CN1 (Remote cable connector)
1
ME
-
MIC GND
2
MIC
O
MIC signal output
3
E
-
GND
4
RESET
I
Reset signal input
VIH: 4.16~5.1V, VIL: –0.3~0.96V
5
1/2
I
Head 1 or 2 signal input. OPEN
6
TRD
I/O
Bidirection serial data
VIH: 4.16~5.10V / VIL: –0.3~0.96V
VOH: 4.80~5.20V / VOL: <0.3V
Baud rate: 115200bps Max
7
PS
O
Power switch signal output
SW OFF: 13.0V (typ)
SW ON: 0V (typ)
8
IGN
O
Ignition sense output
Active High. VOH: 13.4V (typ)
9
SB
I
Switched Battery
Voltage: 11.39~15.64V
Current: 750mA max
