Comtrol VS1100 Installation Reference Card - Manual (Page 6)

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Note: If using an AUI connection to the server, you can
determine proper polarity by using an AUI to
10Base-T converter box.
10Base-T LED Descriptions
LED Indicator Description
U
p
p
e
r
Flashes
Briefly
During the power on cycle (first few
seconds after power turned on), this
turns on briefly to display link polarity
on the 10Base-T connection.
U
p
p
e
r
Flashing
The light flashes briefly during
transmissions as a general indicator of
activity.
L
o
w
e
r
On
VS1000 is correctly attached to the
LAN by the RJ45 10Base-T connector.
L
o
w
e
r
Off
VS1000 is not connected to the LAN
properly or it is connected to the AUI
port.
Ports 1 Through 16 LED Descriptions
Indicator Description
Flash
Briefly
All LEDs light briefly during the power-
on sequence and then turn off.
1 LED Lit*
A RAM self-test failure or other
mainboard error.
2 LEDs Lit* Ethernet hardware initialization failure.
3 LEDs Lit* A hardware self-test failure.
4 LEDs Lit* A flash memory configuration error.
* The LEDs light up for a about a minute and then the
hardware resets and the same cycle repeats.