Scanner Board Diagnostic LEDs

The PROFIBUS DP board used with Epson RC+ has two status display LEDs.

The layout of the LEDs is shown in the following figure.

PCU-DPIO

Symbol	Description
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

The Communication Status LED is on the left and the Physical Error LED is on the right seen from the rear panel.

The Communication Status LED is referred to as the ST LED (ST) in this section.

The Physical Error LED is referred to as the BF LED (BF) in this section.