Appearance

Part names and functions of the PROFIBUS-DP master board manufactured by molex are shown in the following figure. For details on the status display LEDs, refer to the following section.
Troubleshooting

PCU-D2PIO

a	4-pin Terminal Watchdog Port (Do not use this port.)
b	Status Display LED (2)
c	PROFIBUS-DP port
d	LED (2) (Unused)
e	RJ45 Connector (Unused)
f	Jumper Pin for Board Address Setting