Advantech 4-Port RS-232 Interface card PCL-849 - Manual (Page 25)

2 6 PCL-849 User's Manual
Connector Pin Assignments
The following diagrams show the pin assignments for DB-37 and DB-
25 connectors for RS-232.
PCL-849: DB-37
Four Port Connectors: DB-25
PCL-849 Pin assignments for RS-232