Service; Exchange Program - HP Broadband Series User Manual

Service

The performance of the Electrical Interface should be verified annually to ensure
that it is operating within the specifications. To do this, see the HP 75000
Series 90 HP E1663A SONET/SDH Electrical Interface User's Manual (HP p/n
E1663-90001).
If it is necessary to return the Electrical Interface to Hewlett-Packard for service,
ensure the following information is sent with the module:
• Description of the problem (include error messages or specific performance
data related to the problem).
• Whether the problem is constant or intermittent.
• Name and phone number of technical contact person.
• Return address.
• Model and option number of returned module.
• Full serial number of returned module.

Exchange Program

This program allows you to obtain a fully tested and guaranteed restored-
exchange module at a reduced price. (The reduced price is contingent upon
return of the defective module to Hewlett-Packard.)
The procedure for replacing a faulty Electrical Interface using the assembly-
exchange program is as follows:
1 Order the replacement module (HP p/n E1663-69101) through your nearest
HP Sales and Service Office.
Do NOT return the faulty module to Hewlett-Packard until you receive the
Note
restored-exchange module.
2 Complete the Exchange Failure Report which accompanied the restored-
exchange module.
3 Return the faulty module and the Exchange Failure Report to Hewlett-Pack-
ard; re-use the special (exchange assembly) carton.
Remove all accessories attached to the Electrical Interface before it enters the
Note
assembly-exchange program. Accessories are NOT exchangeable.
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