User Manual
    ASR-2000 Series User Manual 
164 
RS-232 Remote Interface (Optional 1) 
RS-232 
Configuration 
Connector 
BD-9, male 
Parameters 
Baud rate, data bits, parity, stop 
bits. 
Pin Assignment 
1
23 45
6789
2: RxD (Receive data) 
3: TxD (Transmit data) 
5: GND 
4, 6 ~ 9: No connection 
Pin Connection 
Use a Null Modem connection (RS-232C cable) 
as shown in the diagram below.  
ASR-2000 PC
RxDPin2 RxD Pin2
GNDPin5 GND Pin5
TxD Pin3
TxDPin3
Steps 
1.  Connect the RS-232C cable from 
the PC to the rear panel RS-232 
port.  
2.  Press the Menu key. The Menu 
setting will appear on the display. 
3.  Use the scroll wheel to go to item 5, RS232C 
and press Enter. 
4.  Set the RS232C relative settings.  
Baud rate 
1200, 2400, 4800, 
9600(default), 19200, 38400, 
57600, 115200, 
Data bits 
7 bits, 8 bits(default) 










