18
LED Indicators
NGI-U08C2 (Non-PoE)
LED (Color) Status Description
PWR (Green)
Illuminated
Primary power is supplied to the
switch.
O Primarypoweroorfailure.
RPS (Green)
Illuminated
Redundant power is supplied to
the switch.
O Redundantpoweroorfailure.
ALM (Red)
Illuminated
External signal device will be
activated through the terminal
block ALM when there is any
alarm.
Alarm for following conditions:
• Power lost (primary or
secondary).
• Abnormal voltage input.
O No alarm to report.
SFP 9~10 (Green)
Illuminated SFP port link-up.
Blinking
Activity (receiving or transmitting
data).
O Port disconnected or link failed.
1000 (Green)
Illuminated
Port is operating in 1000Mbps
speed.
O
Port is operating in 10/100Mbps
speed.
LNK/ACT (Green)
Illuminated Ethernet link up.
Blinking
Activity (receiving or transmitting
data).
O Port disconnected or link failed.