Yaesu DR-2X Operating Manual page 47

Setting to connect the repeater controller S-COM7330
Set up instructions to interface the Triple Repeater Controller S-COM7330 with the DR-2X/DR-2XE.
Modification of S-COM7330
1 Remove the 6 screws from each side and 2 screws from the top
cover of the S-COM7330, then remove the top cover.
2 Change Jumper pin J10C or J11C or J3C and adjust the semi fixed.
AF volume gain up for RX1 or RX2 or RX3.
3 Command Settings.
• Select Path Access Mode: Carrier and CTCSS
• Select COR Filter Delay: 300 msec
• Select Dropout Delay: 0 sec
Setting of DR-2X/DR-2XE
Set the DR-2X/DR-2XE as follows.
• Setting the communication mode RX: FM (FIX)
• Setting the tone signals: RX-TONE (100 Hz) (see page 35)
Connection with S-COM7330 and DR-2X/DR-2XE
DR-2X/DR-2XE
pin 1 EXT I/O
pin 2 EXT PTT
pin 3 CTCSS/DCS DET
pin 4 SQL DET
pin 5 GND
pin 6 TONE IN
pin 7 AF IN
pin 8 DISC OUT
pin 9 AF OUT
pin 10 GND
pin 11 EXT PORT1
pin 12 EXT PORT2
pin 13 EXT PORT3
pin 14 EXT PORT4
pin 15 VCC OUT
The wiring paths shown by the dotted lines require programming the S-COM7330.
pin 1 EXT I/O Jumper to pin 2 EXT PTT or connect to S-COM7330 LOGIC OUT (L: EXT I/O enable)
pin 2 EXT PTT EXT PTT input from S-COM7330. It will be controlled by RX COR normally.
pin 3 CTCSS/DCS DET Signaling decode output (CTCSS/DCS etc)
pin 4 SQL DET Noise SQL decode output (Connect to RX COR)
pin 5 GND GND
pin 6 TONE IN Tone input from S-COM7330 (Connect to TX pin8)
pin 7 AF IN Modulation input from S-COM7330
pin 8 DISC OUT RX audio output without de-emphasis
pin 9 AF OUT RX audio output with de-emphasis
pin 10 GND GND
DR-2X / DR-2XE Operating Manual
TX: FM (FIX)
S-COM7330
pin 1
pin 2
pin 3
pin 4
pin 5
pin 6
pin 7
pin 8
pin 9
I/O Controller
pin 1 to 6
I/O Controller
pin 1 to 6
I/O Controller
pin 1 to 6
I/O Controller
pin 1 to 6
I/O Controller
pin 1 to 6
DC jack
RX Audio Connect to DR-2X/DR-2XE AF out
RX COR Connect to DR-2X/DR-2XE SQL DET
Connect to DR-2X/DR-2XE CTCSS/DCS decode
CTCSS in
output
TX PTT Connect to DR-2X/DR-2XE EXT PTT
TX Audio Connect to DR-2X/DR-2XE AF in
GND DR-2X/DR-2XE GND
GND DR-2X/DR-2XE GND
TX pin 8 Select TX LOGIC or TX CTCSS by JP pin
GND DR-2X/DR-2XE GND
Connect to DR-2X/DR-2XE EXT I/O
Logic output
(needs S-COM programming)
Connect to DR-2X/DR-2XE EXT PORT1
Logic output
(needs S-COM programming)
Connect to DR-2X/DR-2XE EXT PORT2
Logic output
(needs S-COM programming)
Connect to DR-2X/DR-2XE EXT PORT3
Logic output
(needs S-COM programming)
Connect to DR-2X/DR-2XE EXT PORT4
Logic output
(needs S-COM programming)
DC in Connect to DR-2X/DR-2XE VCC out
Connection
45