Nortel Networks 1000BASE-LX User Manual

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Preface
23
Using the BayStack 420 10/100/1000 Switch
You can purchase selected documentation sets, CDs, and technical publications 
through the Internet at the
URL.
How to get help
If you purchased a service contract for your Nortel Networks product from a 
distributor or authorized reseller, contact the technical support staff for that 
distributor or reseller for assistance.
If you purchased a Nortel Networks service program, contact one of the following 
Nortel Networks Technical Solutions Centers:
An Express Routing Code (ERC) is available for many Nortel Networks products 
and services. When you use an ERC, your call is routed to a technical support 
person who specializes in supporting that product or service. To locate an ERC for 
your product or service, go to the
 URL and click 
ERC at the bottom of the page.
Technical Solutions Center
Telephone
Europe, Middle East, and Africa
(33) (4) 92-966-968
North America
(800) 4NORTEL or (800) 466-7835
Asia Pacific
(61) (2) 9927-8800
China
(800) 810-5000