G.SHDSL NTU
2
TRADEMARKS USED IN THIS MANUAL
All applied-for and registered trademarks are the property of their respective owners.
• The LB510A contains no user serviceable parts. The equip-
ment shall be returned to Black Box for repairs, or
repaired by qualified service personnel.
• An approved external power supply that incorporates a
disconnect device shall be used and positioned within easy
reach of the operator.
• For AC powered units, the power cable used to connect the
power supply shall meet all applicable standards for the
country in which it is to be installed, and be connected to a
wall outlet which has earth ground.
• Hazardous network voltages are present in WAN ports
regardless of whether power to the unit is ON or OFF. To
avoid electric shock, use caution when near WAN ports.
When detaching the cables, detach the end away from the
NTU first.
• Do not work on the system or connect or disconnect cables
during periods of lightning activity.
WARNING
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