Expansion plate for Raspberry Pi IoT - 2 RS232 COM ports + 2 USB 2.0 ports - Professional range/ HIGH QUALITY COMPONENTS

Features :

Add two USB Power Ports and UART RS232 DM9M Two Ports to your Raspberry Pi
Two RS232 DB9M ports and Two Type-A USB downstream Ports
Selection of 2Pin power wafer for extra enough 5V power input when application need power hungry USB devices & UART bus power devices installed
Two 16550 High performance UART (RS232) channels
Supports UART data transfer rate up to 230 Kbps
Two Jumpers to select RI or 5VDC output for each DB9M Pin9
5VDC Power in DB9M Port Pin9 for POS device use application
Compliant with Universal Serial Bus Specification Revision 2.0 (Data Rate 1.5/12/480 Mbps)
Compliant with Open Host Controller Interface Specification for USB Rev 1.0a
Compliant with Enhanced Host Controller Interface Specification for USB Rev 0.95
Both USB micro-B connector and USB 5Pin Pinheader on board for Pi connection
USB2.0 5Pin Pin Header Assignment: 5V, D-, D+, NC, GND
Jumper selection either 2Pin wafer of external 5V power or Pi USB bus power to power PCBA & UART Bus & USB Device
Includes Multi-Pi mounting accessory of standoff & nut & screw
Fully RoHS compliant