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3Com Corporation L

IMITED

 W

ARRANTY

3Com GBIC Transceivers

H

ARDWARE

3Com warrants to the end user (“Customer”) that this hardware product will be free from defects in workmanship 
and materials, under normal use and service, for one (1) year from the date of purchase from 3Com or its authorized 
reseller.

3Com’s sole obligation under this express warranty shall be, at 3Com’s option and expense, to repair the defective 
product or part, deliver to Customer an equivalent product or part to replace the defective item, or if neither of the 
two foregoing options is reasonably available, 3Com may, in its sole discretion, refund to Customer the purchase 
price paid for the defective product. All products that are replaced will become the property of 3Com. Replacement 
products may be new or reconditioned. 3Com warrants any replaced or repaired product or part for ninety (90) days 
from shipment, or the remainder of the initial warranty period, whichever is longer.

Y

EAR

 2000 W

ARRANTY

In addition to the Hardware Warranty and Software Warranty stated above, 3Com warrants that each product sold 
or licensed to Customer on and after January 1, 1998, that is date sensitive will continue performing properly with 
regard to such date data on and after January 1, 2000, provided that all other products used by Customer in 
connection or combination with the 3Com product, including hardware, software, and firmware, accurately 
exchange date data with the 3Com product, with the exception of those products identified at 3Com’s Web site, 
http://www.3com.com/products/yr2000.html, as not meeting this standard. If it appears that any product that is 
stated to meet this standard does not perform properly with regard to such date data on and after January 1, 2000, 
and Customer notifies 3Com before the later of April 1, 2000, or ninety (90) days after purchase of the product from 
3Com or its authorized reseller, 3Com shall, at its option and expense, provide a software update which would effect 
the proper performance of such product, repair such product, deliver to Customer an equivalent product to replace 
such product, or, if none of the foregoing is feasible, refund to Customer the purchase price paid for such product. 

Any software update or replaced or repaired product will carry a Year 2000 Warranty for ninety (90) days after 
purchase or until April 1, 2000, whichever is later. 

O

BTAINING

 W

ARRANTY

 

S

ERVICE

Customer must contact a 3Com Corporate Service Center or an Authorized 3Com Service Center within the 
applicable warranty period to obtain warranty service authorization. Dated proof of purchase from 3Com or its 
authorized reseller may be required. Products returned to 3Com’s Corporate Service Center must be preauthorized 
by 3Com with a Return Material Authorization (RMA) number or User Service Order (USO) number marked on the 
outside of the package, and sent prepaid and packaged appropriately for safe shipment, and it is recommended that 
they be insured or sent by a method that provides for tracking of the package. Responsibility for loss or damage does 
not transfer to 3Com until the returned item is received by 3Com. The repaired or replaced item will be shipped to 
Customer, at 3Com’s expense, not later than thirty (30) days after 3Com receives the defective product.

3Com shall not be responsible for any software, firmware, information, or memory data of Customer contained in, 
stored on, or integrated with any products returned to 3Com for repair, whether under warranty or not.

Dead- or Defective-on-Arrival

.  In the event a product completely fails to function or exhibits a defect in materials or 

workmanship within the first forty-eight (48) hours of installation but no later than thirty (30) days after the date of 
purchase, and this is verified by 3Com, it will be considered dead- or defective-on-arrival (DOA) and a replacement 
shall be provided by advance replacement. The replacement product will normally be shipped not later than three (3) 
business days after 3Com’s verification of the DOA product, but may be delayed due to export or import procedures.  
The shipment of advance replacement products is subject to local legal requirements and may not be available in all 
locations. When an advance replacement is provided and Customer fails to return the original product to 3Com 
within fifteen (15) days after shipment of the replacement, 3Com will charge Customer for the replacement product, 
at list price. 

Advance Replacement 

is provided for ninety (90) days, after which time it may be available for a specified fee. 3Com 

will make commercially reasonable efforts to ship the replacement product not later than five (5) business days after 
receiving the request for advance replacement, but may be delayed due to product availability or export or import 
procedures. The shipment of advance replacement products is subject to local legal requirements and may not be 
available in all locations. When an advance replacement is provided and Customer fails to return the original product 
to 3Com within fifteen (15) days after shipment of the replacement, 3Com will charge Customer for the 
replacement, at list price. This advance replacement is different from the fee-based Advance Hardware Replacement 
Service, which is available as a contracted service offering.

INCLUDED SERVICES: 

Telephone Support,

 with coverage for basic troubleshooting only, will be provided for ninety (90) days from the date 

of purchase, on a commercially reasonable efforts basis. Please refer to the Technical Support appendix in the Getting 
Started Guide for telephone numbers.

3Com’s Web and Bulletin Board Services

 

provide 3Knowledgebase, bug tracking, documentation, release notes, and 

some software maintenance releases at no charge.

Summary of Contents for CoreBuilder 3500

Page 1: ...lex Subscriber Connector SC You can remove and replace the transceiver with the system on which is called hot swapping Figure 1 70 km Gigabit Ethernet GBIC Fiber Optic Transceiver To ensure optimal pe...

Page 2: ...ot touch any connections inside the chassis with your hands or fingers Fiber Safety Precautions The GBIC ports on your system use lasers To ensure your safety when you install or work with these GBIC...

Page 3: ...on The procedure is similar for all relevant CoreBuilder chassis To ensure optimal performance compatibility and regulatory compliance use only GBIC transceivers that 3Com supports For a list of GBIC...

Page 4: ...T 1000BASE GBIC module GBIC port Duplex SC connector R M O D S T A T 1 2 2 3 4 1 R X T X R X T X R P R I M O D S T A T S E C 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2...

Page 5: ...For a list of currently supported GBICs see this 3Com Web site http www 3com com gigabit_ethernet gbics If the transceiver is not working properly the system displays an appropriate error message as d...

Page 6: ...Web site http www 3com com util enterprise html Unqualified GBIC Checksum match error Meaning The system uses checksum error detection to verify the integrity of the GBIC data If the system detects a...

Page 7: ...sceivers are those that 3Com has specifically tested and qualified for use with 3Com GBIC systems Pretesting at 3Com ensures proper functionality compatibility and regulatory compliance If the system...

Page 8: ...true the text GBIC Non qualified appears in the portType field of the Ethernet display even though the GBIC is qualified and functions properly Disregard this incorrect value Calculating the Link Bud...

Page 9: ...tem B 75 km of fiber with 2 mating connectors 1 75 km of single mode fiber x 0 25 dB per km 18 75 dB fiber attenuation 2 2 mating connectors x 0 50 dB per connector 1 dB connector attenuation 3 18 75...

Page 10: ...ion to assure operation at 70 km under typical to less than ideal conditions Link distances of greater than 70 km can be attained when conditions allow Fiber attenuation of 0 19 dB per km and lower is...

Page 11: ...zation RMA number or User Service Order USO number marked on the outside of the package and sent prepaid and packaged appropriately for safe shipment and it is recommended that they be insured or sent...

Page 12: ...ESSENTIAL PURPOSE DISCLAIMER Some countries states or provinces do not allow the exclusion or limitation of implied warranties or the limitation of incidental or consequential damages for certain pro...

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