Status
Description
Off
• The network connection is operating at 10 Mbps.
• There is no network connection.
2.5 Gigabit Ethernet Activity LED
Status
Description
Orange
A network connection has been established.
Flashes orange
The device is being accessed from the network.
Off
There is no network connection.
Expansion LED
Status
Description
Blue
An expansion unit is connected.
Off
No expansion unit has been detected.
Redundant Power Supply LED
Status
Description
Green
The power supply unit is connected to a power source, and the device is
powered on.
Flashes green
The power supply unit is connected to a power source, and the device is
powered off.
Orange
• The power supply unit is disconnected from a power source, but a parallel
power supply unit is connected to a power source.
• The power supply unit has shut down due to one of the following:
• The power supply unit failed.
• OCP was activated.
• OVP was activated.
• The fan failed.
Flashes orange
• The temperature is too high.
• The power is too strong.
• The current is too high.
• The fan is too slow.
Orange for a few seconds
and then off
The power supply unit has been disconnected from a power source, while no
parallel power supply unit is connected to a power source.
Off
All power supply units are disconnected from a power source.
TS-855eU User Guide
Basic Operations
48
