Andover Controls CONTINUUM NetController - Page 40

30 Andover Controls
Ethernet Activity Indicators
The indicators in this group report on the following:
TD
The TD (for Transmit Data) indicator flashes rapidly as data is being transmitted out
across the Ethernet.
RD
The RD (for Receive Data) indicator flashes rapidly as data is being received from
the Ethernet.
COL
The COL (for Collision) indicator is ON whenever the controller detects data collisions
on the Ethernet.
LINK
(Note: this indicator applies only to 10BASE-T Ethernet.)
The LINK indicator is ON whenever the controller detects a valid 10BASE-T Ethernet
link.
POL
(Note: this indicator applies only to 10BASE-T Ethernet.)
The POL (for Polarity) indicator is ON if a cable polarity reversal has been detected
on the 10BASE-T Ethernet.