APC AP7900 用户手册

To obtain support for problems with your Switched Rack PDU:

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1. Note the serial number and date of purchase. For the serial number, 

see the 

 menu option or the label on the bottom of the 

unit.

2. Contact Customer Support at a phone number located at the end of 

this manual. A technician will try to help you solve the problem by 
phone.

3. If you must return the product, the technician will give you a return 

material authorization (RMA) number. If the warranty expired, you will 
be charged for repair or replacement.

4. Pack the unit carefully. The warranty does not cover damage sustained 

in transit. Enclose a letter with your name, address, RMA number and 
daytime phone number; a copy of the sales receipt; and a check as 
payment, if applicable.

5. Mark the RMA number clearly on the outside of the shipping carton.
6. Ship by insured, prepaid carrier to the address provided by the 

Customer Support technician.