Vanguard Managed Solutions Vanguard 7300 Series - Manual (Page 178)

6-4 Replacing Power Supplies and Cooling Fans
Replacing Power Supplies and Cooling Fans, 7310 Version 1
Removing and Installing the Power Input Module
Introduction A Vanguard 7310 Version 1 power input module is accessible from the rear of the
enclosure. See Figure 6-3. Details of AC-powered modules and DC-powered
modules are provided in the power installation section in Chapter 3, Vanguard 7300
Installation.
Note
AC and DC power input modules are keyed differently. You cannot install the
wrong power unit in the wrong Vanguard 7310 enclosure.
Figure 6-3. Vanguard 7310 Version 1 Rear Access Power Input Module
Procedure Use the steps in this table to remove the Power Input Module. To re-install the unit,
reverse these procedures and reconnect power to the unit:
Rear of Chassis
Mounting
Screws
ESD Bond
Point
Step Action
1 Turn off power to the unit.
2 Disconnect the AC power cord or the DC connections from the unit.
3 Remove the mounting screws on the rear of the module.
4 Carefully pull on the module to slide it out of the back of the chassis.
Note
There is initial resistance until connectors disengage from the midplane.