Proface PS4800 - 19 Panel PC" - Manual (Page 71)

PS-4600 Series User Manual
71
The table shows the D-Sub 9 pin assignments:
Any excessive weight or stress on communication cables may disconnect the
equipment.
Pin Assignment
1 DCD D-Sub 9 pin plug connector:
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
CAUTION
LOSS OF POWER
 Ensure that communication connections do not place excessive stress on the
communication ports of the Industrial Personal Computer.
 Securely attach communication cables to the panel or cabinet.
 Use only D-Sub 9 pin cables with a locking system in good condition.
Failure to follow these instructions can result in injury or equipment damage.