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WARNING: The intrabuilding port(s) (40G DACS and USB ports) of the equipment or
subassembly must use shielded intrabuilding cabling or wiring that is grounded at both
ends.
WARNING: The intrabuilding port(s) (including the following ports, when present: DAC,
External Clock, Internal Clock, T1/E1, POE Ethernet) of the equipment or subassembly
must use shielded intrabuilding cabling or wiring that is grounded at both ends.
CAUTION: Before removing or installing components of a device, attach an
electrostatic discharge (ESD) grounding strap to an ESD point and place the other end
of the strap around your bare wrist. Failure to use an ESD grounding strap could result
in damage to the device.
• Install the device in compliance with the following local, national, and international electrical codes:
• United States—National Fire Protection Association (NFPA 70), United States National Electrical
Code.
• Other countries—International Electromechanical Commission (IEC) 60364, Part 1 through Part 7.
• Evaluated to the TN power system.
• Canada—Canadian Electrical Code, Part 1, CSA C22.1.
• Locate the emergency power-off switch for the room in which you are working so that if an electrical
accident occurs, you can quickly turn off the power.
• Make sure that grounding surfaces are cleaned and brought to a bright finish before grounding
connections are made.
• Do not work alone if potentially hazardous conditions exist anywhere in your workspace.
• Never assume that power is disconnected from a circuit. Always check the circuit before starting to
work.
• Carefully look for possible hazards in your work area, such as moist floors, ungrounded power
extension cords, and missing safety grounds.
• Operate the device within marked electrical ratings and product usage instructions.
• To ensure that the device and peripheral equipment function safely and correctly, use the cables and
connectors specified for the attached peripheral equipment, and make certain they are in good
condition.
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