3 Product Description F3 DIO 8/8 01
Page 20 of 52 HI 800 179 E Rev. 2.00
3.4.1.3 Communication LEDs
All RJ-45 connectors are provided with a small green and a yellow LEDs. The LEDs signal the
following states:
LED Status Description
On Full duplex operation
Blinking Collision
Green
Off Half duplex operation, no collision
On Connection available
Blinking Interface activity
Yellow
Off No connection available
Table 7: Ethernet Indicators
3.4.1.4 I/O LEDs
LED Color Status Description
On The related input is active (energized). DI 1…8 Yellow
Off The related input is inactive (de-energized).
On Pulsed output activated.
TO 1,
TO 2
Yellow
Off Pulsed output deactivated.
On The related output is active (energized). DO 1…8 Yellow
Off The related output is inactive (de-energized).
On The related output is active (energized).
DO 4-, DO
8-
Yellow
Off The related output is inactive (de-energized).
Table 8: I/O LEDs
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