Allied Telesis AT-SBx81CFC960 - Manual (Page 108)

Chapter 6: Installing the Power Supplies
108 Section II: Installing the Chassis
Figure 45. Removing the Blank Slot Cover from Power Supply Slot C
3. Remove the new AT-SBxPWRSYS1 Power Supply from the shipping
package and verify the package contents, listed in Figure 46 on page
109.
If any item is missing or damaged, contact your Allied Telesis sales
representative for assistance.