Icom VE-PG3 Instruction Manual page 325

8
FOR YOUR INFORMATION
4. Specifications
M Port details (continued)
[EXT2] port
[EXT1]/[EXT2] port
Pin No. Description
A1 General audio output (From the VE-PG3)/Superposition PTT
A2 Analog GND
A3 General audio input (To the VE-PG3)/Superposition squelch detect
A4 Analog GND
General output/Single PTT
B1
Relay circuit output
Serial communication (Half duplex)/8 V power supply
B2
Relay circuit output
B3 General input/Single squelch detect
B4 Common GND
C1 Serial communication TXD (From the VE-PG3)
C2 Serial communication RXD (To the VE-PG3)
C3 Serial communication RTS (From the VE-PG3)
C4 Serial communication CTS (To the VE-PG3)
• You can change the configuration of ports B1 to B4 on the VE-PG3's setting screen.
• B1/B4 terminal (+/–): General Control Output Terminal
Turns the connected equipment ON or OFF.
• You can change the configuration of ports B1 to B4 on the VE-PG3's setting screen.
• Specification: 3–16 V/10 mA (Open collector).
• B2/B4 terminal (+/–): 8 V Power Supply Terminal
Supplies the 8 V DC to the connected equipment.
• You can change the configuration of ports B1 to B4 on the VE-PG3's setting screen.
• Current limit: Less than 30 mA.
• B3/B4 terminal (+/–): General Control Input Terminal
Turns the connected equipment ON or OFF.
• You can change the configuration of ports B1 to B4 on the VE-PG3's setting screen.
• Specification: 3–30 V/10 kΩ (Voltage input).
3.3 V/less than 1 mA (Low voltage contacts).
A1~A4 A1~A4 B1~B4 B1~B4 C1~C4 C1~C4 A1~A4 A1~A4
A1~A4 A1~A4 B1~B4 B1~B4 C1~C4 C1~C4 A1~A4 A1~A4
8-8
B1~B4 B1~B4 C1~C4 C1~C4
B1~B4 B1~B4 C1~C4 C1~C4
[EXT1] port