Replacing a PSU module
81
8.
Grip the handle and withdraw the PSU, taking care to support the base of the module with both hands as you remove
it from the enclosure as shown in the figure below.
Figure 64 Removing a PSU (2 of 2)
NOTE:
The remove PSU illustrations show a module with a single power connection. The procedure applies
equally to single cord and dual cord PSU modules used in 4U enclosures.
9.
If replacing two PSUs, repeat steps 5 through 8, being mindful of the illustrations TIP on
Installing a PSU module
and
when performing this procedure, but ignore the directional arrows.
You will insert the module into the slot rather than remove it.
IMPORTANT:
Handle the PSU carefully, and avoid damaging the connector pins. Do not install the PSU if any pins
appear to be bent.
1.
Check for damage, especially to all module connectors.
2.
With the PSU handle in the open position, slide the module into the enclosure, taking care to support the base and
weight of the module with both hands.
3.
Lever the module home by manually closing the PSU handle. You should hear a click as the latch handle engages and
secures the PSU to its connector on the back of the power midplane.
4.
Connect the power cable to the power source and the PSU.
Power cables are typically routed to the PSU from the cable management arm (CMA). Verify that the 180º power
cable bends lie flat in the CMA baskets. Route the cables as explained in
“Routing power cords from the power supply
, ensuring they lay flat on the CMA shelf and through the PSU cable clips assembly.
5.
Verify that the bitonal PSU Status LED is on/green. Verify that cooling fans are spinning with no fail states. Verify that
the front panel LED states show no amber module faults.
6.
through
, being mindful of the illustrations TIP on
