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Step 2: Verify Shipment Contents
2. Contact Keysight to obtain a Return Material Authorization (RMA) and return address. For assistance finding contact
information, go to www.keysight.com/find/assist.
3. Write the following information on a tag and attach it to the malfunctioning equipment:
Name and address of owner. A P.O. box is not acceptable as a return address.
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Description of failure or service required.
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4. Pack the instrument in its original packaging. Include all cables. If the original packaging material is not available, use
anti-static bubble wrap or packing peanuts and place the instrument in a sealed container and mark the container
"FRAGILE".
5. On the shipping label, write ATTENTION REPAIR DEPARTMENT and the RMA number.
In your correspondence, refer to the modules by serial number and the instrument by model number.
For components other than the M9381A, M9391A, and M9300A, see the product's documentation.
Step 2: Verify Shipment Contents
Your solution shipped in multiple boxes. Refer to the box content list attached to each box.
Step 3: Install the Modules
PXI hardware does not support "hot-swap" (changing modules while power is applied to the chassis) cap-
abilities. Before installing or removing a module to/from the chassis, power off the chassis to prevent damage
to the module.
All component modules for an M9381A or M9391A instrument are factory tested, aligned, calibrated and shipped
as a "bundle". It is important that you maintain the bundle when installing modules or returning an instrument
for repair. See
Items You Will Need
Pozidriv P1 or slotted screwdriver to secure the modules into the chassis
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Adjustable torque wrench (at minimum, accommodate an 8 Lb-In [0.904 Nm] torque on SMA connectors).
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Recommended best practices to ensure proper and safe module operating
conditions
Ensure proper chassis air flow is maintained
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Select a chassis that provides thermal protection if fans become inoperable or forced air cooling is
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obstructed
Use slot blockers (Keysight model Y1212A, 5 per kit) and EMC filler panels in empty module slots to
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explanation (page
32).
LTE/LTE-A Multi-Channel Reference Solution
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