Icom VE-PG3 Instruction Manual page 345

8
FOR YOUR INFORMATION
4. Specifications (continued)
M Port details
[TRX2] port
[TRX1]/[TRX2] port
Pin No. Description
A1 Analog audio output (From the VE-PG3)/Superimpose PTT
A2 Analog GND
A3 Analog audio input (To the VE-PG3)/Superimpose squelch detection
A4 Analog GND
B1 Single PTT control
B2 Serial communication (half duplex)
B3 Single squelch control
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.
• A1/A2 terminal (+/–) Audio output terminal
Adjust the output gain according to the audio amplifier.
The connected audio equipment may damage if the gain is inappropriately set.
The length of the cable which connects the audio equipment and VE-PG3 is less than 10 m (3.3 ft.).
Be careful of the noise and malfunction caused by the earth loop.
Reference level:
Load impedance:
• A3/A4 terminal (+/–) Audio input terminal
Adjust the output gain according to the audio amplifier.
When you use a microphone other than electret condenser microphone (ECM), select "Disable" on the setting screen.
Reference level:
Input impedance:
Supplied voltage:
• B1/B2 terminal (+/–) Relay Circuit 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 30 V/500 mA.
A1~A4 A1~A4 A1~A4 B1~B4 B1~B4 B1~B4 C1~C4 C1~C4 C1~C4
A1~A4 A1~A4 A1~A4 B1~B4 B1~B4 B1~B4 C1~C4 C1~C4 C1~C4
Speaker/0 dBs/–20 dBs(0 dBs=0.775 Vrms) selectable
more than 600  (Speaker 8 )
–10 dBs/–40 dBs(0 dBs=0.775 Vrms) selectable
Approximately 10 k (Approximately 1 k when biassed)
Approximately 2.2 V (For Electret Condenser Microphone)
8-7
A1~A4 A1~A4 A1~A4 B1~B4 B1~B4 B1~B4 C1~C4 C1~C4 C1~C4
A1~A4 A1~A4 A1~A4 B1~B4 B1~B4 B1~B4 C1~C4 C1~C4 C1~C4
[TRX1] port