17
KCH-14/15
TERMINAL FUNCTION
7
KVL
I
KVL3000 signal input
(L:Connect, H:Disconnect)
8
DM
I/O
Serial data input/output for keypad MIC
9
BLC
O
MIC backlight control signal output
(L:Off, H:On)
10
PTT
I
PTT signal input
11
NC
−
No connection
12
ES2
O
Audio output for Handset/Headset
>2
Ω
load 3W/4
Ω
W1 (to Display unit A/3 CN4)
1
INT1
O
Encoder interrupt
2
E
−
GND
3
END
O
Encoder data
CN1 (to Control unit W700 of the TK-5710(B)/TK-5710H(B))
1
ME
−
MIC GND
2
MIC
O
MIC signal output
3
E
−
GND
4
RESET
I
Reset signal input
5
1/2
I
Remote head 1 or head 2 signal input
6
TRD
I/O
TX data input / RX data output
7
PSW
O
Power switch control signal output
8
IGN
O
Ignition sense output
9
SB
I
Switched B
10
IRS
I
Remote speaker input
11
ES2
I
Remote speaker input
CN2
1
IRS
O
Remote speaker output
2
ES2
O
Remote speaker output
CN3 (to KRK-5/6DH)
1
IGN
I
Ignition sense input
2
SB
O
Switched B
3
E
−
GND
4
MIC
I
MIC signal input
5
ME
−
MIC GND
6
AI1
I
Auxiliary input 1
7
AI2
I
Auxiliary input 2
8
AO1
O
Auxiliary output 1
9
AO2
O
Auxiliary output 2
CN4 (to Display unit C/3 W1)
1
INT1
I
Encoder interrupt
2
E
−
GND
3
END
I
Encoder data
CN5 (to LCD ASSY)
1
E
−
GND
2
VCC
−
5V
3
CE
O
Enable output for LCD driver
4
CL
O
Clock output for LCD driver
5
DI
O
Data output for LCD driver
6
DO
−
Not used
7
DISP
−
Not used
8
LEDA
O
Power output for LCD backlight
9
LEDK
O
GND for LCD backlight
(L:Backlight on)
10
NC
−
No connection
J1 (MIC jack)
1
SB
O
Switched B (TK-5710(B) : 13.6V±15%
/ TK-5710H(B) : 13.4V±15%)
2
HK
I
Hook signal input
(L:On hook, H:Off hook)
3
ME
−
MIC GND
4
MIC
I
MIC signal input / 60% deviation at
1kHz/5mV±2mV input
5
E
−
GND
6
TRD
I/O
TX data output / RX data input
Display unit (X54-3500-20): KCH-15
Pin
Name
I/O
Description
No.
Pin
Name
I/O
Description
No.