Enterprise Electronics Corporation DWSR-2001X 用户手册

ISSUE/REVISION DATE:  25 JULY 2007 

TECHNICAL MANUAL 

Interface Control Document (ICD) 

ENTERPRISE ELECTRONICS CORPORATION 

Rev No. 

5 

Page 6 of 21 

Issue Date 

25 July 2007 

UM-130365 

Distribution Data Collection 

Module (DDC) 

THE DATA PRESENTED HEREIN REPRESENTS THE INTELLECTUAL PROPERTY OF ENTERPRISE ELECTRONICS CORPORATION (EEC).  THIS DATA MAY NOT BE DISTRIBUTED OR REPRODUCED BY 
ANY MEANS WITHOUT THE EXPRESS, WRITTEN CONSENT OF EEC. 

2.2.1   RS232 Pinouts on J1 
The RS232 uses a 9 pin D connector but it is used in a NON-STANDARD way: all three serial 
ports reside on this connector. These communication ports are simple TX/RX serial ports and do 
not have hardware flow control. 
 

Pin 

Function 

1 Ground 

2 

Port 0 RX 

3 

Port 0 TX 

4 Ground 

5 Ground 

6 

Port 1 TX 

7 

Port 1 RX 

8 

Port 2 TX 

9 

Port 2 RX 

 

Pin 

Function 

1 CAN 

2 CAN 

3 Ground 

4 +24vDC 

in 

5 N/C 

6 +24vDC 

in 

7 CAN 

8 CAN 

9 Ground