The Ableconn Pi accessory enables you to expand functions to your Raspberry Pi. The PI232DB9M let you add a 9-Pin DB9M serial port RS232 to your Raspberry Pi via an included cable that connects the 4-pin pin header and the GPIO pins of your Raspberry Pi .
Specification
* Connector:
- 1 x serial RS232 DB9 male
- 1 x 4-pin pin header
* Chipset: zt3243 transceiver
* One 16550 High performance UART (RS232) channel
* Data transfer rate:
- UART data rate up to 230 Kbps
* Level shifter serial transmit (TX) and receive (RX) TTL level from the Pi to RS232 standard communication signals up to +- 25V.
* Supports VCC input voltage: 2.7V ~ 5.25V
* No device driver installation is required.
* Dimensions (LxWxH): 1.9 x 1.6 x 0.5 in / 48 x 41 x 13 mm
* CE, FCC, and Fully RoHS compliant.
* Made in Taiwan
System Requirements
* GPIO pins for UART, +3.3V (Pi board), and GND
Package Contents
* Ableconn PI232DB9M GPIO TX / RX to DB9M RS232 Serial Board
* 1 x header cable (4-pin to 5-pin) for Raspberry Pi

Warranty
* Limited One-Year Warranty and Lifetime Product Support