Omron LD-90 - LD Platform Core Rear, Upper

Chapter 6: Connectivity
RS232 1 & 2
Connector type DB9M
Use Port 1 and 2, General Use
Pin No. Designation Notes
1, 4, 6, 9 No Connection
2 RS232_USR#_RXD #=1 or 2
3 RS232_USR#_TXD #=1 or 2
5 GND
7 RS232_USR#_RTS #=1 or 2
8 RS232_USR#_CTS #=1 or 2
LD Platform Core Rear, Upper
Figure 6-5. Rear Upper Core
NOTE: The connectors in the top row of the rear upper core mate with Molex
Mini-Fit Jr™ 5557 series receptacles.
11970-000 Rev M LD-60/90 Platform User's Manual 87