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Technical And Operational Description - Promag USB232B Series User Manual

Serial port smart interface converter

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Technical And Operational Description

Front Panel of USB232B-00
USB Port
RS232connector
Connecting with the terminal device,which is equipped with
RS232 interface.
USB connector
Connecting with the Computer USB port or Hub.
LINK
LINK LED turns on when the USB232B unit is ready
for use.
TX
TX LED turns on when the data is
sending from USB port to RS232 device.
RX
RX LED turns on when the data is
sending from RS232 device to USB port .
RS232 PIN FUNCTION
9
1
LINK
TX
PIN No.
1
2
3
4
5
6
7
8
9
- 8 -
RX
I/O
DESCRIPTION
I
Data Carrier Detect
I
Received Data
O
Transmitted Data
O
Data Tirminal Ready
X
Signal Ground
I
Data carrier
O
Request To Send
I
Clear To Ssend
I
Positive dc TEST
RS232 Port

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