User`s manual

VOLKTEK IRF-633 RS-232/422/485 TO 100BASE-TX DEVICE SERVER
8
4 LED Indicators
This device has LED indicators located at the front of the device. The LEDs have been
designed to give easy at-a-glance network status, and provides ‘real-time’ connectivity
information. Please see below for an interpretation of their functions:
LED Indicators
LED
Condition Status
On (Green) Unit is receiving power
PWR
Off Power off or failure
On (Green)
Illuminated when RJ-45 connector attached and
link signals received
LNK / ACT
(RJ-45)
Flashing (Green) Data traffic passing through RJ-45 port
Off No link established
100
On (Green) RJ-45 port in 100Base mode
Off Port is operating at full duplex
On (Green) Receiving data packets
ACT
Flashing
RS-232/422/485 data packets being transmitted
or received
Off No data packets received
POST
On (Green) Indicates normal operation