Cisco Prisma II 1310 nm HDTx Transmitters Installation Guide

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78-748704-01 Rev C 
 
vii 
Safety Precautions, 
Continued
 
Enclosure 
• 
Do not allow moisture to enter this product.  
• 
Do not open the enclosure of this product unless otherwise specified. 
• 
Do not push objects through openings in the enclosure of this product. 
 
Cables 
• 
Always pull on the plug or the connector to disconnect a cable. Never pull on the 
cable itself. 
• 
Do not walk on or place stress on cables or plugs. 
 
Factory Service 
Refer service only to service personnel who are authorized by the factory.