In this section:
SBC 5000 series systems configured for DC power are equipped with dual redundant DC power supplies (shown in the figure DC Power Supply below).
The DC power supply is a Customer Replaceable Unit (CRU). The product codes are:
In a dual redundant Power Supply configuration, the Power Supplies are hot-swappable meaning that a Power Supply may be replaced without powering down the SBC 5000 series platform (provided that the redundant Power Supply is operational).
Perform the following procedure to replace a Power Supply:
Remove clear plastic protective cover on terminal strip.
Disconnect RTN and -48V connections by loosening two terminal strip screws using the #2 Philips screwdriver.
All SBC 5000 series CRUs are shipped in electrostatic discharge bags and should be handled using appropriate ESD precautions.
The storage environment for these CRUs is:
The ESD Susceptibility symbol warns of the presence of Sonus devices susceptible to electrostatic discharge. Do not handle equipment without wearing a properly grounded ESD wrist strap.