Zhone Technologies 4929 DSLAM Manuale Utente

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 4929 DSLAM Installation and User’s Guide
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transponders have been installed. Do not install laser products whose class rating is greater 
than 1. Refer to all important safety instructions that accompanied the transceiver prior to 
installation. Only laser Class 1 devices certified for use in the country of installation by the 
cognizant agency are to be utilized in this product. Also, laser warnings are to be provided 
in accordance with IEC 60825-1 and its Amendments 1 and 2, as well as 21 CFR 1010 and 
1040.10(g).
10. General purpose cables are described for use with this product. Special cables, which may 
be required by the regulatory inspection authority for the installation site, are the 
responsibility of the customer. To reduce the risk of fire, use a UL Listed or CSA 
Certified, minimum No. 26 AWG (0.128 mm
2
) telecommunication cable, or comparable 
cables certified for use in the country of installation.
11. The equipment is intended for installation in a maximum 149° F (65° C) ambient 
temperature, in an environment that is free of dust and dirt.
12. Do not physically stack more than eight (8) units high. Physical stability has not been 
evaluated for stacking higher than eight units, and any configuration greater than eight 
may result in an unstable (tip-over) condition. Ensure that the four (4) rubber feet supplied 
with the product have been installed on the bottom of each unit prior to stacking any 4929 
units on top of one another.
13. In addition, if the equipment is to be used with telecommunications circuits, take the 
following precautions:
— Never install telephone wiring during a lightning storm.
— Never install telephone jacks in wet locations unless the jack is specifically designed 
for wet locations.
— Never touch uninsulated telephone wires or terminals unless the telephone line has 
been disconnected at the network interface.
— Use caution when installing or modifying telephone lines.
— Avoid using a telephone (other than a cordless type) during an electrical storm. There 
may be a remote risk of electric shock from lightning.
— Do not use the telephone to report a gas leak in the vicinity of the leak.
14. When installed in the final configuration, the product must comply with the applicable 
Safety Standards and regulatory requirements of the country in which it is installed. If 
necessary, consult with the appropriate regulatory agencies and inspection authorities to 
ensure compliance.
EMI Notices
UNITED STATES – EMI NOTICE:
This equipment has been tested and found to comply with the limits for a Class A 
digital device, pursuant to Part 15 of the FCC rules. These limits are designed to 
provide reasonable protection against harmful interference when the equipment is 
operated in a commercial environment. This equipment generates, uses, and can 
radiate radio frequency energy and, if not installed and used in accordance with the 
instruction manual, may cause harmful interference to radio communications. 
Operation of this equipment in a residential area is likely to cause harmful 
interference in which case the user will be required to correct the interference at his 
own expense.
The authority to operate this equipment is conditioned by the requirements that no 
modifications will be made to the equipment unless the changes or modifications are 
expressly approved by the manufacturer.
If the equipment includes a ferrite choke or chokes, they must be installed per the 
installation instructions.
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