HARDWARE DESCRIPTION
Power LED indicates that device is turned on. The right LEDs of one port shows activity on
receive (Rx) line and the left one shows activity on transmit (Tx) line.
Ports Configuration
Port
1
2
Interface
RS232
RS485
3.4.2 RS232 INTERFACE BOARD
Description
Single, nonisolated, full duplex, RS232 port with DB9 female connector. Supported Rx, Tx and
GND pins.
Connector pin table
DB9 F
2
3
5
Description
RX
TX
GND
Direction
IN
OUT
-
Cable for connection to PC
CMU 100
DB9 M pin
Signal
Direction
PC
Signal
DB9 F pin
2
RX
<-------
TX
3
3
TX
------->
RX
2
5
GND
<------->
GND
5
Company:
Device:
Document:
Code:
Date:
Page:
Ediseja 21 CMU 100 / 1.1.5 - 0
User manual CMUMU115
9
Picture 5: DB9 Female connector
