When you need to connect devices via serial to your Acer handheld, use USB host Cable (some devices might require special drivers).
Specs
Alternatives
Options
Connectivity
Interface
Interface ports to connect pieces of equipment. USB (Universal Serial Bus) has become the most popular wired interface to connect peripherals. USB 2.0 supports speeds up to 480 Mbit/s (USB 1: 12 Mbit/s). The wireless interface FireWire is also known as the IEEE 1394 standard. Enhanced IDE (EIDE)is sometimes referred to as Fast ATA, Fast IDE or ATA-2.