Pin Assignment; Led Status - Advantech USB-4600 Series User Manual

4.1

Pin Assignment

The RS-232 mode pin assignment is as following:
1
Pin
DCD
RS-232
The RS-485/422 mode pin assignment is as following:
Pin
RS-422
RS-485
4.2

LED Status

The USB Module is equipped with a LED indicator to show the current status of the
device. When you plug the USB device into the USB port, the LED indicator will blink
five times and then stay lit to indicate that it is on. Please refer to the following table
for detailed LED indicator status information.
Table 4.1: LED Indicator Status Description
USB Indicator
TX
RX
USB-4600 Series User Manual
2 3 4 5
RX TX DTR GND
1 2
TX- TX+
Data- Data+
LED Status
On
Off
On
Off
Slow Blinking
Fast Blinking
On
Off
Slow Blinking
Fast Blinking
18
6 7 8
DSR RTS CTS
3 4
RX+ RX-
N/A N/A
Description
Device ready for work
Device not ready for work
Device ready for work
Device not ready for work
Device initialization
Device working
Device ready for work
Device not ready for work
Device initialization
Device working