Extreme Networks 12802, 12804 manual Removing an Extreme Networks 1200 W DC PSU

Extreme Networks 1200 W DC PSU

Removing an Extreme Networks 1200 W DC PSU

CAUTION

The DC PSU may be hot to the touch; use thermal protective gloves when handling the 1200 W DC PSU during removal.

To remove an Extreme Networks 1200 W DC PSU:

1Attach an ESD-preventive wrist strap to your bare wrist and connect the metal end to the ground receptacle on the top-left corner of the switch front panel (if not already attached).

2De-energize the DC circuit for the 1200 W DC PSU that will be removed.

3Press the yellow lever on the DC PSU to the left while lifting the handle up on the 1200 W DC PSU.

4Disconnect the cable from the front of the DC PSU by pressing down the catch (see Figure 44) and pulling out the cable.

Figure 44: Disconnecting the Cable from the DC PSU

Squeeze catch to release plug

EX_133

WARNING!

Always be sure that the 1200 W DC PSU does not have the input cabled connected at any time when the DC PSU is not installed into the switch. Do not remove the DC PSU from the switch before disconnecting the input DC cable from the PSU.

5Pull on the handle of the 1200 W DC PSU to slide it out of the power supply bay.

6Wearing thermal protection gloves, place both hands underneath the 1200 W DC PSU to support the weight after it is pulled out from the switch.

To remove additional 1200 W DC PSUs, repeat steps 2 through 6.

NOTE

Leave the ESD strap permanently connected to the switch, so that the strap is always available when you need to handle ESD-sensitive components.

BlackDiamond 12800 Series Switches Hardware Installation Guide 79