ATLAS North America Proprietary
Sea Scan® ARC Explorer™ Manual
1 of 1
Page: 19
Issue: 4.2.1
2SFT1-0001
Manual
Power
Button
No Light
The power is off.
Dim Blue
CPU is booting; if it stays dimmed, the TCU power is on, but the TCU's
processor is not starting. Even if the TCU is turned off, it still draws power.
Bright Blue
Power is on.
Network
Status
Off
The network configuration has Not Completed. Possibly the Ethernet connector
isn't connected properly.
Blinking
It has a connection and is communicating with it.
Solid
It is waiting for a connection.
Activity
Off
No activity has been detected.
Blinking
It is actively communicating.
4.1.2
Connections to the TCU
4.1.2.1
Power
Figure 21: Topside Communications Unit (TCU) Left View