In this section:
SBC 5400 systems configured for DC power can accommodate dual redundant DC power supplies, as shown in following figure.
The DC power supply is a Customer Replaceable Unit (CRU). The product code is SBC-5400-PSUDC.
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 5400 platform (provided that one power supply is operational).
Power Supply Condition | LED States (Green/Amber) |
---|---|
No DC Power to all PSU | OFF |
DC present/Standby Outputs ON, Main Output OFF | Blinking Green |
Power supply DC Outputs ON and OK | Solid Green |
Main Output Failure (OCP, OVP, UVP) | Blinking Amber |
Fan Fail, OTP, Standby Output OCP/UVP | Solid Amber |
To prevent damage from electrostatic discharge, an ESD strap is provided in the accessory kit. Refer to Connecting ESD Wrist Strap to install it.
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 5400 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 Ribbon devices susceptible to electrostatic discharge. Do not handle equipment without wearing a properly grounded ESD wrist strap.