Alcatel-Lucent 7750 SR-a4, Installation Manual, Page: 20 / 232

Information Symbols
20 7750 SR-a4 and SR-a8 Installation Guide
Information Symbols
Table 1 describes information symbols contained in this guide.
Technical Support
If you purchased a service agreement for your 7750 SR-a chassis and related products from
a distributor or authorized reseller, contact the technical support staff for that distributor or
reseller for assistance.
Table 1: Information Symbols
Symbol Meaning Description
Danger This symbol warns that incorrect handling and installation could result in
bodily injury. An electric shock hazard could exist. Before you begin
work on this equipment, be aware of hazards involving electrical circuitry,
be familiar with networking environments, and implement accident
prevention procedures.
Warning This symbol warns that incorrect handling and installation could result in
equipment damage or loss of data.
Caution This symbol warns that incorrect handling may reduce your component or
system performance.
Note This symbol provides additional operational information.
Class 1 laser products are identified in the adapter card installation guides.
Only approved Class 1 replaceable laser transceivers should be used with
this product.
CLASS 1 LASER PRODUCT