USB-2COM-M supports power output of 5V 150mA through Terminal Block, for external device requiring power.

JP1：enable the +5V 150mA power for external device

Jumper | Function
ON | Enable the Terminal Block pin1 to support a 5V 150mA power for external device requiring power.
OFF | Disable the 5V 150mA power(Default)

Pin-outs of 2 Pin Terminal Block(TB1)

Pin1 | +5V
Pin2 | GND

RS-232 DB9 Male Connector Pin-outs

RS-232 Signal Pin-outs of DB-9 Male

Pin 1 | DCD
Pin 2 | RxD
Pin 3 | TxD
Pin 4 | DTR
Pin 5 | GND
Pin 6 | DSR
Pin 7 | RTS
Pin 8 | CTS
Pin 9 | RI