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Using the Hot-Swap Injector/Ejector
Handles
The Base Station modules include special handles for high-force
insertion/extraction of modules. Each of the 6U high modules (NPU,
AU-IDU) includes two such handles, while each of the 3U high-modules
(PIU, PSU) includes a single handle at the bottom of the front panel.
The bottom injector/ejector handle of the NPU and AU-IDU modules
includes a micro-switch to support hot-swap control.
Inserting Modules
To insert an NPU or AU-IDU module:
1. Firmly push in the module into its intended slot (slot 5 for the NPU,
slot 1-4, 7-9 for AU-IDU).
2. Press the handles up (the upper handle)/down (the lower handle)
simultaneously until you hear the locking click and the red buttons
are released. The blue HOT SWAP LED will turn on for a short time,
indicating that the module is being powered up.
3. Secure the module in place by closing the screws at the top and
bottom of the front panel.
NOTE
If a module is fully inserted without properly locking the handles, it will become
operational. However, in this state the hot-swap mechanism is not supported. A warning
message (trap) will be sent.
To insert a PIU or PSU module:
1. Firmly push in the module into its intended slot.
2. Press the handle down until you hear the locking click and the red
buttons is released.
3. Secure the module in place by closing the screw at the top of the
front panel.
Manual Revision 1.0
Installing the Modular Base Station Equipment
2-25
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