User manual

9 AIMB-201DS User Manual
Chapter 2 Hardware Installation
2.2.3 USB Connectors
The AIMB-201DS provides two USB interface connectors (2 x USB 2.0 in front-side;
and 1 x USB 3.0 in rear-side), which give complete Plug & Play and hot swapping
capability for up to 127 external devices. The front side two USB interface is compli-
ant with USB UHCI, Rev. 2.0. and the rear one is compliant with USB UHCI, Rev. 3.0.
All the USB ports support Plug and Play, which enables you to connect or disconnect
a device without turning off the computer.
Figure 2.4 USB connector
Table 2.1: COM Port Pin Assignments
Pin Signal Name
1 DCD
2RxD
3TxD
4DTR
5GND
6DSR
7RTS
8CTS
9RI
Table 2.2: USB Port Pin Assignments
Pin Signal Name
1VCC
2 USB Data-
3 USB Data+
4GND