Applied Systems Engineering BCOM-USB User Manual page 10

2.4. RS-232 PIN-OUT
The following table illustrates the pin-out of the BCOM-USB 9-pin connectors.
Serial No.
1
2
3
4
5
6
7
8
9
2.5. I/O Driver Installation
This section describes the steps necessary to install the I/O drivers for the BCOM-USB Device.
Driver files are provided for different versions of Windows. The correct driver files must be
installed. For Windows 7, 8, and 10 systems, a set of digitally signed driver files are provided for
both the 32-bit and 64-bit versions of the driver.
The BCOM-USB I/O Driver files are provided on the ASE Installation & Documentation USB
Drive delivered with the product. These files may also be downloaded from the ASE website:
http://www.ase-systems.com/
This manual describes the updated drivers and installation procedures released by ASE. This
includes signed driver files for newer versions of Windows (Windows 7 & later) and a more
automated installation mechanism. The instructions provided here may be used on older versions
of Windows (before Windows 7). It is important to follow these instructions carefully for a correct
installation.
The prior driver files and manual installation instructions are available on the ASE Installation &
Documentation USB drive or the ASE website.
BCOM-USB Device User Manual
Parameter
DCD – Data Carrier Detect
RXD – Receive Data
TXD – Transmit Data
DTR – Data Terminal Ready
Com – Common
RXCLKIN – Receive Clock In
RTS – Request To Send
CTS – Clear To Send
TXCLKOUT – Transmit Clock Out
Table 1: Pin-out of the BCOM-USB 9-pin connectors
10