3 Printer operation
Communications
55
General-purpose input/output (GPIO)
Pins depend on usage and the signal is user selectable. The function is diversity. For
general-purpose, I/O signals programmed as inputs can cause CPU interrupted. For
more information, contact local dealer.
Ethernet Module Status Indicators
The indicators with two different colors help users understand status of Ethernet:
LED
Status
Description
Both Off
No Ethernet link detected.
Blinking
The printer waits for printer ready.
It will take about 20~30 seconds to be ready.
Green
Speed LED
On: 100 Mbps link
Off: 10 Mbps link
Amber
Link/Activity LED
On: link up
Off: link down
Blinking: activity