Cisco Cisco StadiumVision Mobile インストールガイド
© 2011 Cisco Systems, Inc. All rights reserved
Page 5 of 71
Safety with Electricity Warnings
Warning! This unit is intended for installation in restricted access areas. A
restricted access area can be accessed only through the use of a special
tool, lock and key or other means of security. Statement 1017
tool, lock and key or other means of security. Statement 1017
Warning! To avoid electric shock, do not connect safety extra-low voltage
(SELV) circuits to telephone-network voltage (TNV) circuits. LAN ports
contain SELV circuits, and WAN ports contain TNV circuits. Some LAN and
WAN ports both use RJ-45 connectors. Statement 1021
contain SELV circuits, and WAN ports contain TNV circuits. Some LAN and
WAN ports both use RJ-45 connectors. Statement 1021
Warning! Do not touch the power supply when the power cord is connected.
For systems with a power switch, line voltages are present within the power
supply even when the power switch is off and the power cord is connected.
For systems without a power switch, line voltages are present within the
power supply when the power cord is connected. Statement 4
supply even when the power switch is off and the power cord is connected.
For systems without a power switch, line voltages are present within the
power supply when the power cord is connected. Statement 4
Warning! Before working on equipment that is connected to power lines,
remove jewelry (including rings, necklaces, and watches). Metal objects will
heat up when connected to power and ground and can cause serious burns
or weld the metal object to the terminals. Statement 43
heat up when connected to power and ground and can cause serious burns
or weld the metal object to the terminals. Statement 43
Warning! Before working on a chassis or working near power supplies,
unplug the power cord on AC units; disconnect the power at the circuit
breaker on DC units. Statement 12
breaker on DC units. Statement 12
Warning! Before working on a chassis or working near power supplies,
unplug the power cord on AC units. Statement 246
Warning! The plug-socket combination must be accessible at all times,
because it serves as the main disconnecting device. Statement 1019
Warning! Installation of the equipment must comply with local and national
electrical codes. Statement 1074
Warning! Hazardous voltage or energy may be present on DC power
terminals. Always replace cover when terminals are not in service. Be sure
uninsulated conductors are not accessible when cover is in place. Statement
1075
uninsulated conductors are not accessible when cover is in place. Statement
1075
Warning! Do not work on the system or connect or disconnect cables during
periods of lightning activity. Statement 1001
Warning! This equipment is intended to be grounded. Ensure that the host is
connected to earth ground during normal use. Statement 39
Warning! When installing or replacing the unit, the ground connection must
always be made first and disconnected last. Statement 1046
Follow these guidelines when working on equipment powered by electricity:
-
Locate the room’s emergency power-off switch. Then, if an electrical
accident occurs, you can quickly turn off the power.
accident occurs, you can quickly turn off the power.
- Disconnect all power before doing the following:
Working on or near power supplies
Installing or removing an appliance
Performing most hardware upgrades
Never install equipment that appears damaged.
Carefully examine your work area for possible hazards, such as moist floors,
ungrounded power extension cables, and missing safety grounds.