1
Connection with S-COM7330 and DR-1X/E
DR-1
S-COM7330
Connection
pin 1
EXT I/O
pin 1
RX Audio Connect to the DR-1 AF out
pin 2
EXT PTT
pin 2
RX COR Connect to DR-1 SQL DET
pin 3 CTCSS/DCS DET
pin 3
CTCSS in Connect to DR-1 CTCSS/DCS
decode output
pin 4
SQL DET
pin 4
TX PTT
Connect to DR-1 EXTPTT
pin 5
GND
pin 5
TX Audio Connect to DR-1 AF in
pin 6
TONE IN
pin 6
GND
DR-1 GND
pin 7
AF IN
pin 7
GND
DR-1 GND
pin 8
DISC OUT
pin 8
TX pin 8
Select TX LOGIC or TX
CTCSS by JP pin
pin 9
AF OUT
pin 9
GND
DR-1 GND
pin 10
GND
I/O Controler
pin 1 to 6
Logic output Connect to DR-1 EXT I/O
(needs S-COM programming)
pin 11
EXT PORT1
I/O Controler
pin 1 to 6
Logic output Connect to DR-1 EXT PORT1
(needs S-COM programming)
pin 12
EXT PORT2
I/O Controler
pin 1 to 6
Logic output Connect to DR-1 EXT PORT2
(needs S-COM programming)
pin 13
EXT PORT3
I/O Controler
pin 1 to 6
Logic output Connect to DR-1 EXT PORT3
(needs S-COM programming)
pin 14
EXT PORT4
I/O Controler
pin 1 to 6
Logic output Connect to DR-1 EXT PORT4
(needs S-COM programming)
pin 15
VCC OUT
DC jack
DC in
Connect to DR-1 VCC out
The wiring paths shown by the green dotted lines require programming the S-COM7330.
pin1 EXT I/O
Jumper to pin 2 EXT PTT or connect to S-COM7330 LOGIC OUT (L: EXT I/O enable)
pin2 EXT PTT
EXT PTT input from S-COM7330. It will be controlled by RX COR normally.
pin3 CTCSS DET Signaling decode output (CTCSS/DCS etc)
pin4 SQL DET
Noise SQL decode output (Connect to RX COR)
pin5 GND
GND
pin6 Tone in
Tone input from S-COM7330 (Connect to TX pin8)
pin7 AF in
Modulation input from S-COM7330
pin8 Disc out
RX audio output without de-emphasis
pin9 AF out
RX audio output with de-emphasis
pin10 GND
GND
DR-1X/E Additional Sheet
Set up instructions to interface the Triple Repeater Controller S-COM7330 with the DR-1X/E.
(NOTICE: The earlier DR-1 cannot interface with the external controller)
Modification of S-COM7330
Remove the 6 screws from each
side and 2 screws from the top
cover of the S-COM7330, then
remove the top cover.
●
Hardware modifications
Change Jumper pin J10C or J11C or J3C and adjust
the semi fixed AF volume gain up for RX1 or RX2 or
RX3.
●
Command Settings
• Select Path Access Mode = Carrier and CTCSS
• Select COR Filter Delay = 300 msec
• Select Dropout Delay = 0 sec
Setting of DR-1X/E
MODE : FM (FIX) ←→ FM (FIX)
SQL
: R-TONE (100 Hz)
YAESU MUSEN CO., LTD.
