GridConnect USB232, User Manual

Page: 10 / 17

1-4 USB232 Converter User Guide
1.4 RS232 Interface
The RS232 serial interface is through a DB9 Male connector wired according to the following table. Pin
assignments are from the evaluation board schematics.
PIN CONNECTION
9 Ring Indicator
8 CTS
7 RTS
6 DSR
5 Ground
4 DTR
3 TXD
2 RXD
1 Carrier
Detect
1.5 USB Interface
The standard unit comes with an 8” USB-A cable permanently attached to the circuit board. You can order a
USB-232 unit with a USB connector that allows you to use any length USB cable. See
USB Cable Options
on page 1-10
The USB interface of the V1410 is compliant with the USB 2.0 Full-Speed Specifications. The USB
configuration model presented by the V1410 to the device driver is compatible to the Abstract Control
Model of the USB Communication Device Class (CDC-ACM). The V1410 uses the following set of
parameters:
•
1 Control Endpoint
•
Endpoint 0 as outlined in the USB specifications
•
1 Configuration is supported
•
2 interfaces for the UART channel
•
Single interrupt endpoint
•
Bulk-in and bulk-out endpoints
1.5.1 USB Vendor ID
Exar’s USB Vendor ID is 0x04E2. This is the default Vendor ID that is used for the USB232 Converter.
1.5.2 USB Product ID
The default USB Product ID for the USB232 Converter is 0x1410.