31
Item
Requirements
•
Power cords, grounding cables and fiber cables are routed and bound separately.
•
The cables are bound neatly with cable ties at an even distance.
•
The cable labels are correct, clear, and affixed to the cable in the same direction.
Electricity safety
A circuit breaker is provided for each power input line.
Power-on check
WARNING!
Locate the emergency power-off switch in the room before power-on so you can quickly shut power
off when an electrical accident occurs.
CAUTION:
Before powering on the gateway, make sure all fan trays are present.
Power-on check flow
Figure 2-31 Power-on check flow
Checking the LEDs
After the gateway powers up, you can determine whether the gateway and the components are
operating correctly by observing the LEDs on the SEMs and other components.
Is the ground
resistance value
acceptable?
Is the input voltage
normal?
Power on the
gateway
Is LED status normal?
End
No
No
Yes
No
Troubleshoot
Troubleshoot
Yes
Troubleshoot
Yes
Start
