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tip | Use ESD protective device |
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platforms configured for AC power are equipped with either a single or dual redundant AC power supplies depending upon what was ordered. These are Customer Replaceable Units (CRU). The figure
AC Power Supply below depicts a dual redundant configuration.
The AC power supply Ribbon Part Number is 451-10125 and the product code is SBC-5XXX-PSUAC..
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0 | Figure |
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1 | AC Power Supply |
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3 | AC Power Supply |
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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
platform (provided that the redundant Power Supply is operational).
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Before replacing a Power Supply in a redundant Power Supply configuration, verify the status of the redundant Power Supply. The “POK” LED status must be “solid green”. Removing the Power Supply when the redundant supply does not show a solid green status, may cause the system to power down. Contact Customer Support if required. |
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1 | SBC 5000 series AC power supply states |
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Power Supply Condition | LED Status (Green/Amber) |
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Standby ON, Main Output OFF, AC Present | Blinking Green | Standby ON, Main Output ON | Solid Green | Main Output OCP, UVP, OVP | Blinking Amber | FAN Fail, OTP, Standby OCP/UVP | Amber |
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- Electrostatic discharge (ESD) strap
- Replacement AC power supply
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The chassis is shipped with one Power Supply, unless a second Power Supply is added to the order. |
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| ESD_wriststrap_5K |
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| ESD_wriststrap_5K |
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Replacing a Power Supply
Perform the following procedure to replace a Power Supply:
- Verify the POK green LED of the redundant Power Supply is lit.
- Attach an Electrostatic Discharge wrist strap to the ESD grounding point on the back panel of the chassis, and place the other end around your wrist (refer to Connecting Electrostatic Discharge Wrist Strap for details).
Disconnect the AC power cable from the AC Power Supply as shown below.
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1 | Disconnecting the AC power cable |
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Disengage the AC Power Supply by moving the latch to the left as shown below.
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1 | Disengaging the AC Power supply |
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Pull on the loop handle to slide the AC Power Supply out of the
chassis as shown below. Caption |
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1 | Disengaging the AC Power supply from the SBC 5000 series chassis |
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- Install the replacement AC Power Supply into the chassis by sliding it forward until you hear the latch click in place.
Reconnect the AC power cable, as shown below.
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1 | Reconnecting the AC power cable |
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- Observe that the POK green LED on the newly-inserted Power Supply is solid green.
- From the application, ensure that no Power Supply alarms are generated.
CRU Storage
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All
CRUs are shipped in electrostatic discharge bags and must be handled using appropriate ESD precautions.
The storage environment for these CRUs are:
- Humidity must be less than 95% (non-condensing)
- Temperature must be between -40C and +70C.