Linksys NSS4000 Quick Installation Manual page 17

SELV Circuit
To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telephone-network voltage
Warning
(TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some LAN and WAN
ports both use RJ-45 connectors. Use caution when connecting cables.
Equipment Installation
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Warning
Comply with Local National Electrical Codes
Installation of the equipment must comply with local and national electrical codes.
Warning
Product Disposal
Ultimate disposal of this product should be handled according to all national laws and regulations.
Warning