18
TK-980/981
INSTALLATION
Connector Pin
Pin
I/O
Function
No.
No.
name
8
SQ
O
Squelch signal output. Signal logic
type can select “Carrier operate
relay” or “Tone operate relay”.
Active logic level or type can select
in the KPG-49D.
CN2
1
AM
I
Audio mute signal input.
LOK
O
Access logic signal output.
Active level or type can be select-
able in the KPG-49D.
2
MM
I
MIC mute input.
3
DTC
I
Data control channel signal input.
Data channel : L, Normal channel : H
TXS
O
Signal indicating whether the trans-
ceiver is transmitting or not.
TX : H, Another : L
FSW
I
Foot switch signal input.
Foot sw on : L, Foot sw off : H
LOK
O
Access logic signal output.
Active level or type can be select-
able in the KPG-49D.
CN3
1
HOR
O
Horn alert signal output. Signal
output for horn relay drive (open
collector). L level during horn drive :
Max. sink current 100mA.
2
E
–
Earth.
3
SB
O
Power output after power switch
(DC 13.6V
±
15%, 0.75A max.).
CN4
1
LOK
O
Access logic signal output.
Active level or type can be select-
able in the KPG-49D.
2
RXD1
I
Serial data input 1.
“COM1” port must be select “REM”
/ “DATA” / “GPS” / “DATA+GPS”
function in the KPG-49D.
3
TXD1
O
Serial data output 1.
“COM1” port must be select “REM”
/ “DATA” / “GPS” / “DATA+GPS”
function in the KPG-49D.
CN5
1
PA
O
Relay for PA function in KAP-1
control signal. PA on : H, PA off : L
2
SPO
O
Audio signal input from KAP-1.
3
SPI
I
Audio signal output to KAP-1.
CN6
1
SP
O
Output for internal/external speaker.
2
E
–
Earth.
3. Optional Board Terminal
Terminal is for mounting the option board are provided at
the TX-RX unit (A/2) and TX-RX unit (B/2). The table below
shows the correspondence between the board and termi-
nals. Disconnect R529 and R571 in control unit when the
scrambler board is attached.
The table below shown the differences between the
schematic terminals and the PC board terminals.
Schematic diagram
PC board view
Name
I/O
Function
Name
Unit
SB
–
Switched B+, DC 13.6V
SB
TX-RX (A/2)
output. Maximum 0.75A
5C
–
5C
5C
TX-RX (A/2)
GND
–
Earth
E
TX-RX (A/2)
DEO
O
Detect signal output (Output
DEO
TX-RX (A/2)
level : 250mVrms; standard
modulation)
RXAI
I
RX audio input
RXAI
TX-RX (B/2)
RXAO
O
RX audio output
RXAO TX-RX (B/2)
TXAI
I
TX audio input
TXAI
TX-RX (B/2)
TXAO
O
TX audio output
TXAO
TX-RX (B/2)
LOK
O
Access logic signal output.
LOK
TX-RX (A/2)
Active level or type can be
selectable in the KPG-49D.
OPT
O
Option board select. Please
OP
TX-RX (A/2)
(EMG)
select option board type in the
KPG-49D.
OP1
O
Option code 1 (for voice
C1
TX-RX (A/2)
scrambler code 1)
OP2
O
Option code 1 (for voice
C2
TX-RX (A/2)
scrambler code 2)
OP3
O
Option code 1 (for voice
C3
TX-RX (A/2)
scrambler code 3)
OP4
O
Option code 1 (for voice
C4
TX-RX (A/2)
scrambler code 4)
SQ
O
Squelch signal output. Signal
SQ
TX-RX (A/2)
logic type can select “Carrier
operate relay” or “Tone operate
relay”. Active logic level or type
can select in the KPG-49D.
TXD1
O
Serial data output 1
TD1
TX-RX (A/2)
RXD1
I
Serial data input 1
RD1
TX-RX (A/2)
TXD2
O
Serial data output 2
TD2
TX-RX (A/2)
RXD2
I
Serial data input 2
RD2
TX-RX (A/2)
RSSI
O
Receive signal strength indication RSSI
TX-RX (A/2)
PTT
I
PTT
PTT
TX-RX (B/2)
MPTT
I
MIC PTT
MPTT TX-RX (B/2)
FSW
I
Foot switch input
FW
TX-RX (A/2)
ST
I
Side-tone input
ST
TX-RX (A/2)
