Quatech QSU-200 사용자 설명서

Appendix B 

Warranty information 

Quatech, Inc. warrants the SSU/ DSU/QSU/ESU/HSU-100/200/300 to be free of defects for five (5) 
years from the date of purchase. Quatech, Inc. will repair or replace any board that fails to perform 

under normal operating conditions and in accordance with the procedures outlined in this document 

during the warranty period. Any damage that results from improper installation, operation, or 
general misuse voids all warranty rights. No representation is made regarding the suitability of this 

product for any particular purpose. 
Please complete the following information and retain for your records. 

DATE OF PURCHASE: 

 

____________________________ 

MODEL 

NUMBER: 

  SSU/ 

DSU/QSU/ESU/HSU-100/200/300 

PRODUCT DESCRIPTION: 

Serial USB Adapter 

SERIAL 

NUMBER: 

  ____________________________ 

All products returned to Quatech for either warranty or non-warranty repair MUST be assigned a 
Returned Material Authorization (RMA) number prior to shipment. This RMA number must be 

clearly marked on the exterior of the product’s return packaging and in any correspondence to 

ensure proper routing and prompt attention. To obtain an RMA number, contact Quatech Technical 
Support Department at 1-800-553-1170 or (330) 655-9000. In order to prevent damage to returned 

merchandise during shipment, please package electronic components in anti-static/shock proof 

materials.  

For warranty repair/returns, please have the following information available when contacting the 

Technical Support department: 

1.  Model number and serial number of the product under warranty 
2.  Repair instructions and/or specific description of the problem 

For non-warranty repairs or upgrades, contact the Technical Support department for current 
repair charges and please have the following information available: 

1.  Purchase order number to cover the cost of the service 
2.  Model number and serial number of the product 

3.  Repair or upgrade instructions relative to the product