Allied Telesis AT-8126XL - Manual (Page 28)

Installation
2-6
4. Mount the switch in the rack using standard screws (not
provided).
5. Ensure that there is unrestricted air flow around the switch.
6. Apply power to the unit as follows:
Caution
Power cord is used as a disconnection device. To de-energise
equipment disconnect the power cord.
! 10
Attach the power cord to the unit and plug it in the wall outlet.
Verify that the Power LED lights green. See Table 2-1 on page
2-4.
As power is applied to the switch, the Fault LED flashes as the
switch runs internal self testing.